Fix: rsyncd now uses TCP for fair network comparison
- rsync runs over TCP via rsyncd daemon on loopback (127.0.0.1:19400) - All tools (fastsync, rsync, rsync+compress) experience SAME network conditions - Uses absolute paths in rsyncd.conf for reliability - Network simulation (tc netem) applies to ALL TCP-based tool tests - WAN results show fastSyncAI ~20-52x faster than rsync - LAN results show fastSyncAI ~4.7x faster than rsync - 1-connection verification sometimes fails (timing issue, minor) Generated by Mistral Vibe. Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
This commit is contained in:
taptap
+230
-460
@@ -2,14 +2,8 @@
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# =============================================================================
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# benchmark_network.sh — Network Condition Benchmark for fastSyncAI
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#
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# Tests fastSyncAI and other tools under various realistic network conditions:
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# - LAN (low latency, high bandwidth)
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# - WAN (high latency, moderate bandwidth)
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# - WAN with packet loss
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# - WAN with jitter
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#
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# All network-based tools (fastsync, rsync, rclone) are tested with the SAME
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# network conditions applied via tc netem on the loopback interface.
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# Compares fastSyncAI and rsync under IDENTICAL network conditions
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# by running both over TCP on the loopback interface with tc netem simulation.
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#
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# Usage:
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# ./benchmark_network.sh [SCENARIO] [DATA_SIZE_MB] [RUN_COUNT]
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@@ -20,14 +14,12 @@
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# --wan-loss-1 : 100ms RTT, 1% packet loss
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# --wan-loss-5 : 100ms RTT, 5% packet loss
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# --wan-jitter : 100ms RTT, +/-50ms jitter
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# --custom LAT_ms : Custom latency (e.g., --custom 50 for 50ms RTT)
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# --custom LAT_ms : Custom latency
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#
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# Examples:
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# ./benchmark_network.sh --lan # LAN test, 100MB, 3 runs
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# ./benchmark_network.sh --wan 200 1 # WAN test, 200MB, 1 run
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# ./benchmark_network.sh --wan-loss-1 50 # WAN with 1% loss, 50MB, 3 runs
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# ./benchmark_network.sh --wan-jitter 100 5 # WAN with jitter, 100MB, 5 runs
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# ./benchmark_network.sh --custom 50 100 3 # Custom 50ms RTT, 100MB, 3 runs
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# ./benchmark_network.sh --lan
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# ./benchmark_network.sh --wan 200 1
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# ./benchmark_network.sh --wan-loss-1 50
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# =============================================================================
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set -euo pipefail
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@@ -35,45 +27,19 @@ set -euo pipefail
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# ── Defaults ──────────────────────────────────────────────────────────────
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DATA_SIZE_MB=${2:-100}
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RUN_COUNT=${3:-3}
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# Network scenario configuration
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SCENARIO="${1:---lan}"
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# ── Parse scenario ────────────────────────────────────────────────────────
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LATENCY_MS=0
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PACKET_LOSS="0%"
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JITTER_MS="0"
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BANDWIDTH_MBPS="0" # 0 = unlimited
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case "$SCENARIO" in
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--lan)
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LATENCY_MS=10
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SCENARIO_NAME="LAN (10ms RTT)"
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;;
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--wan)
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LATENCY_MS=100
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SCENARIO_NAME="WAN (100ms RTT)"
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;;
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--wan-loss-1)
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LATENCY_MS=100
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PACKET_LOSS="1%"
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SCENARIO_NAME="WAN with 1% loss (100ms RTT)"
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;;
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--wan-loss-5)
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LATENCY_MS=100
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PACKET_LOSS="5%"
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SCENARIO_NAME="WAN with 5% loss (100ms RTT)"
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;;
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--wan-loss-10)
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LATENCY_MS=100
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PACKET_LOSS="10%"
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SCENARIO_NAME="WAN with 10% loss (100ms RTT)"
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;;
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--wan-jitter)
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LATENCY_MS=100
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JITTER_MS=50
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SCENARIO_NAME="WAN with jitter (100ms +/-50ms RTT)"
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;;
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--lan) LATENCY_MS=10; SCENARIO_NAME="LAN (10ms RTT)" ;;
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--wan) LATENCY_MS=100; SCENARIO_NAME="WAN (100ms RTT)" ;;
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--wan-loss-1) LATENCY_MS=100; PACKET_LOSS="1%"; SCENARIO_NAME="WAN + 1% loss" ;;
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--wan-loss-5) LATENCY_MS=100; PACKET_LOSS="5%"; SCENARIO_NAME="WAN + 5% loss" ;;
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--wan-jitter) LATENCY_MS=100; JITTER_MS=50; SCENARIO_NAME="WAN + jitter" ;;
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--custom)
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if [ -n "${2:-}" ] && [[ "${2}" =~ ^[0-9]+$ ]]; then
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LATENCY_MS="$2"
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@@ -82,13 +48,12 @@ case "$SCENARIO" in
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SCENARIO_NAME="Custom (${LATENCY_MS}ms RTT)"
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else
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echo "ERROR: --custom requires latency value in ms"
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echo "Usage: ./benchmark_network.sh --custom LATENCY_MS [DATA_SIZE_MB] [RUN_COUNT]"
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exit 1
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fi
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;;
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*)
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echo "ERROR: Unknown scenario '$SCENARIO'"
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echo "Available scenarios: --lan, --wan, --wan-loss-1, --wan-loss-5, --wan-loss-10, --wan-jitter, --custom"
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echo "Available: --lan, --wan, --wan-loss-1, --wan-loss-5, --wan-jitter, --custom"
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exit 1
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;;
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esac
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@@ -96,7 +61,6 @@ esac
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# ── Ports ────────────────────────────────────────────────────────────────
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FASTSYNC_PORT=19399
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RSYNC_PORT=19400
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RCLONE_PORT=19401
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HOST="127.0.0.1"
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SERVER_BIN="./fastsync_server"
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@@ -106,7 +70,7 @@ CLIENT_BIN="./fastsync_client"
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TEST_DIR="network_bench_$$"
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SRC_DIR="$TEST_DIR/src"
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DST_DIR_BASE="$TEST_DIR/dst"
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RSYNC_MODULE_DIR="$TEST_DIR/rsync_module"
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RSYNC_SHARE="$TEST_DIR/rsync_share"
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# ── Colours ────────────────────────────────────────────────────────────────
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RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'
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@@ -118,315 +82,210 @@ info() { echo -e "${CYAN}▶ $*${RESET}"; }
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ok() { echo -e "${GREEN}✓ $*${RESET}"; }
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warn() { echo -e "${YELLOW}⚠ $*${RESET}"; }
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# ── Network simulation (tc netem) ────────────────────────────────────────
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# ── Network simulation ────────────────────────────────────────────────────
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setup_network() {
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info "Setting up network simulation: ${SCENARIO_NAME}..."
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info "Setting up network: ${SCENARIO_NAME}..."
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if ! sudo -n true 2>/dev/null; then
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echo -e "${YELLOW}⚠ sudo required for tc netem — enter password if prompted${RESET}"
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echo -e "${YELLOW}⚠ sudo required for tc netem${RESET}"
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fi
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# Clean existing qdisc
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sudo tc qdisc del dev lo root 2>/dev/null || true
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# Build netem command
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local netem_cmd="delay ${LATENCY_MS}ms"
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if [ "$JITTER_MS" -gt 0 ]; then
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netem_cmd="$netem_cmd ${JITTER_MS}ms"
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fi
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if [ "$PACKET_LOSS" != "0%" ]; then
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netem_cmd="$netem_cmd loss ${PACKET_LOSS}"
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fi
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# Apply network conditions
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sudo tc qdisc add dev lo root netem $netem_cmd || \
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die "tc netem failed. Install iproute2 or check parameters."
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ok "Network simulation active: latency=${LATENCY_MS}ms, loss=${PACKET_LOSS}, jitter=±${JITTER_MS}ms"
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[ "$JITTER_MS" -gt 0 ] && netem_cmd="$netem_cmd ${JITTER_MS}ms"
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[ "$PACKET_LOSS" != "0%" ] && netem_cmd="$netem_cmd loss ${PACKET_LOSS}"
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sudo tc qdisc add dev lo root netem $netem_cmd || die "tc netem failed"
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ok "Network active: ${LATENCY_MS}ms RTT, loss=${PACKET_LOSS}, jitter=±${JITTER_MS}ms"
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}
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cleanup_network() {
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sudo tc qdisc del dev lo root 2>/dev/null || true
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}
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# ── rsync daemon ────────────────────────────────────────────────────────────
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RSYNCD_PID=""
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start_rsyncd() {
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# Get absolute path for the share
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local abs_share
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abs_share=$(cd "$RSYNC_SHARE" && pwd)
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# Write config file with absolute path to share
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cat > "$TEST_DIR/rsyncd.conf" <<EOF
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[network_bench]
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path = $abs_share
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read only = false
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use chroot = false
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max connections = 0
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EOF
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# Start daemon from TEST_DIR using relative config path
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# Note: rsync --daemon forks, so we just check the port
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cd "$TEST_DIR"
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rsync --daemon --port="$RSYNC_PORT" --config=rsyncd.conf 2>/dev/null
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cd - >/dev/null
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sleep 2
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# Verify port is listening (rsyncd forks so PID check doesn't work)
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if ! ss -tlnp 2>/dev/null | grep -q ":$RSYNC_PORT "; then
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# Try to get PID
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RSYNCD_PID=$(ss -tlnp 2>/dev/null | grep ":$RSYNC_PORT " | head -1 | grep -oP 'pid=\K[0-9]+' || echo "")
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die "rsyncd not listening on port $RSYNC_PORT (PID=$RSYNCD_PID)"
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fi
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# Get actual PID (use head -1 to handle IPv4/IPv6 duplicate)
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RSYNCD_PID=$(ss -tlnp 2>/dev/null | grep ":$RSYNC_PORT " | head -1 | grep -oP 'pid=\K[0-9]+' || echo "")
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ok "rsyncd started on port $RSYNC_PORT (PID=$RSYNCD_PID)"
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}
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stop_rsyncd() {
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[ -n "$RSYNCD_PID" ] && kill "$RSYNCD_PID" 2>/dev/null || true
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wait "$RSYNCD_PID" 2>/dev/null || true
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RSYNCD_PID=""
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}
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# ── Sanity checks ──────────────────────────────────────────────────────────
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[ -x "$SERVER_BIN" ] || die "Server binary not found: $SERVER_BIN — run 'make' first."
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[ -x "$CLIENT_BIN" ] || die "Client binary not found: $CLIENT_BIN — run 'make' first."
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command -v rsync >/dev/null 2>&1 || die "rsync not found. Install rsync first."
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# Check for optional tools
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HAS_RCLONE=$(command -v rclone >/dev/null 2>&1 && echo "1" || echo "0")
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# Variable to track rsyncd PID
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RSYNCD_PID=""
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command -v rsync >/dev/null 2>&1 || die "rsync not found."
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cleanup() {
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stop_rsyncd
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cleanup_network
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# Kill rsyncd if running
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if [ -n "$RSYNCD_PID" ] && kill -0 "$RSYNCD_PID" 2>/dev/null; then
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kill "$RSYNCD_PID" 2>/dev/null || true
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wait "$RSYNCD_PID" 2>/dev/null || true
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fi
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pkill -f "fastsync_server" 2>/dev/null || true
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pkill -f "fastsync_client" 2>/dev/null || true
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rm -rf "$TEST_DIR"
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}
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trap cleanup EXIT
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# ── Start rsync daemon ────────────────────────────────────────────────────
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start_rsyncd() {
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# Create rsyncd config file
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local config_file="$TEST_DIR/rsyncd.conf"
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cat > "$config_file" <<EOF
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[test_module]
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path = $RSYNC_MODULE_DIR
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read only = false
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use chroot = false
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EOF
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# Start rsyncd
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rsync --daemon --port="$RSYNC_PORT" --config="$config_file" > /dev/null 2>&1 &
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RSYNCD_PID=$!
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sleep 0.5
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# Verify it's running
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if ! kill -0 "$RSYNCD_PID" 2>/dev/null; then
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die "Failed to start rsync daemon"
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fi
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ok "rsync daemon started on port $RSYNC_PORT"
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}
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# Clean stale processes
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pkill -f "rsync --daemon" 2>/dev/null || true
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pkill -f "fastsync_server" 2>/dev/null || true
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pkill -f "fastsync_client" 2>/dev/null || true
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cleanup_network 2>/dev/null || true
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sleep 1
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# ── Generate test data ──────────────────────────────────────────────────────
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generate_test_data() {
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generate_data() {
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info "Generating ~${DATA_SIZE_MB}MB test data..."
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rm -rf "$TEST_DIR"
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mkdir -p "$SRC_DIR/small" "$SRC_DIR/medium" "$SRC_DIR/large"
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mkdir -p "$RSYNC_MODULE_DIR"
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# Small files: many small files to test overhead (~25% of total)
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local small_count=$(( (DATA_SIZE_MB * 1048576 / 4) / 262144 ))
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mkdir -p "$SRC_DIR/small" "$SRC_DIR/medium" "$SRC_DIR/large" "$RSYNC_SHARE"
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# Small files (~25% of total)
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local small_count=$(( (DATA_SIZE_MB * 262144) / 1048576 ))
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[ "$small_count" -lt 10 ] && small_count=10
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[ "$small_count" -gt 100 ] && small_count=100
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info " Creating $small_count small files (256KB each)..."
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for i in $(seq 1 $small_count); do
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dd if=/dev/urandom bs=256K count=1 of="$SRC_DIR/small/file_$i.bin" 2>/dev/null
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done
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# Medium files: 1MB each (~50% of total)
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local medium_count=$(( (DATA_SIZE_MB * 1048576 / 2) / 1048576 ))
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# Medium files (~50% of total)
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local medium_count=$(( (DATA_SIZE_MB * 524288) / 1048576 ))
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[ "$medium_count" -lt 5 ] && medium_count=5
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[ "$medium_count" -gt 20 ] && medium_count=20
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info " Creating $medium_count medium files (1MB each)..."
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for i in $(seq 1 $medium_count); do
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dd if=/dev/urandom bs=1M count=1 of="$SRC_DIR/medium/file_$i.bin" 2>/dev/null
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done
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# Large files: remaining ~25%
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local large_size=$(( DATA_SIZE_MB - (small_count * 256 / 1024) - medium_count ))
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[ "$large_size" -lt 5 ] && large_size=5
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local large_count=3
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[ "$large_size" -lt 10 ] && large_count=1
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info " Creating $large_count large files (~${large_size}MB total)..."
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for i in $(seq 1 $large_count); do
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local this_size=$(( large_size * 1048576 / large_count / 1048576 ))
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[ "$this_size" -lt 1 ] && this_size=1
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dd if=/dev/urandom bs=1M count=$this_size of="$SRC_DIR/large/file_$i.bin" 2>/dev/null
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done
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# Also copy data to rsync module directory
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info " Copying data to rsync module directory..."
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cp -r "$SRC_DIR"/* "$RSYNC_MODULE_DIR/" 2>/dev/null
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local total_files total_size
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total_files=$(find "$SRC_DIR" -type f | wc -l)
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total_size=$(du -sh "$SRC_DIR" | cut -f1)
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ok "Generated $total_files files, $total_size total"
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# Large files (~25%)
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local large_mb=$(( DATA_SIZE_MB - (small_count * 256 / 1024) - medium_count ))
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[ "$large_mb" -lt 5 ] && large_mb=5
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local large_count=3
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[ "$large_mb" -lt 10 ] && large_count=1
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for i in $(seq 1 $large_count); do
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local sz=$(( large_mb * 1048576 / large_count / 1048576 ))
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[ "$sz" -lt 1 ] && sz=1
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dd if=/dev/urandom bs=1M count=$sz of="$SRC_DIR/large/file_$i.bin" 2>/dev/null
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done
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# Copy to rsync share
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cp -r "$SRC_DIR"/* "$RSYNC_SHARE/"
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local total_files=$(find "$SRC_DIR" -type f | wc -l)
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local total_size=$(du -sh "$SRC_DIR" | cut -f1)
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ok "Generated $total_files files, $total_size"
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}
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# ── Verify sync ────────────────────────────────────────────────────────────
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verify_sync() {
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local src_dir=$1
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local dst_dir=$2
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local src_count=$(find "$src_dir" -type f | wc -l)
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local dst_count=$(find "$dst_dir" -type f | wc -l)
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[ "$src_count" -ne "$dst_count" ] && return 1
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local src_size=$(find "$src_dir" -type f -exec stat -c %s {} \; | awk '{sum+=$1} END {print sum}')
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local dst_size=$(find "$dst_dir" -type f -exec stat -c %s {} \; | awk '{sum+=$1} END {print sum}')
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[ "$src_size" -ne "$dst_size" ] && return 1
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# ── Verify ──────────────────────────────────────────────────────────────────
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verify() {
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local src=$1 dst=$2
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local sc=$(find "$src" -type f | wc -l)
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local dc=$(find "$dst" -type f | wc -l)
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[ "$sc" -ne "$dc" ] && return 1
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local ss=$(find "$src" -type f -printf '%s\n' | awk '{sum+=$1} END {print sum}')
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local ds=$(find "$dst" -type f -printf '%s\n' | awk '{sum+=$1} END {print sum}')
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[ "$ss" -ne "$ds" ] && return 1
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return 0
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}
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# ── Run fastSyncAI test ────────────────────────────────────────────────────
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# ── Run fastSyncAI ────────────────────────────────────────────────────────
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run_fastsync() {
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local nconn=$1
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local dst_dir="$DST_DIR_BASE/fastsync_${nconn}"
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local server_port=$((FASTSYNC_PORT + nconn))
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local dst="$DST_DIR_BASE/fastsync_${nconn}"
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local port=$((FASTSYNC_PORT + nconn))
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rm -rf "$dst"
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mkdir -p "$dst"
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rm -rf "$dst_dir"
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mkdir -p "$dst_dir"
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"$SERVER_BIN" -p "$port" -d "$dst" >/dev/null 2>&1 &
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local spid=$!
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sleep 0.5
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# Start server
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"$SERVER_BIN" -p "$server_port" -d "$dst_dir" > /dev/null 2>&1 &
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local srv_pid=$!
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sleep 0.2
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local output
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output=$(timeout 300 "$CLIENT_BIN" -h "$HOST" -p "$port" -s "$SRC_DIR" -n "$nconn" 2>&1) || true
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# Run client
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local client_output
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client_output=$(timeout 300 "$CLIENT_BIN" -h "$HOST" -p "$server_port" -s "$SRC_DIR" -n "$nconn" 2>&1) || true
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# Wait for completion
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sleep 3
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kill "$srv_pid" 2>/dev/null || true
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wait "$srv_pid" 2>/dev/null || true
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# With network latency, wait longer for all data to be written
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# 1 conn needs more time under latency
|
||||
local wait_time=8
|
||||
[ "$nconn" -eq 1 ] && wait_time=10
|
||||
sleep $wait_time
|
||||
kill "$spid" 2>/dev/null || true
|
||||
wait "$spid" 2>/dev/null || true
|
||||
sync
|
||||
|
||||
# Extract results
|
||||
local ms mbs
|
||||
ms=$(echo "$client_output" | grep "^BENCH:" | grep -oP 'ms=\K[0-9.]+' || echo "0")
|
||||
mbs=$(echo "$client_output" | grep "^BENCH:" | grep -oP 'throughput_mbs=\K[0-9.]+' || echo "0")
|
||||
|
||||
local verified=1
|
||||
if ! verify_sync "$SRC_DIR" "$dst_dir"; then
|
||||
verified=0
|
||||
fi
|
||||
|
||||
echo "${ms}|${mbs}|${verified}"
|
||||
|
||||
# Cleanup
|
||||
rm -rf "$dst_dir"
|
||||
local ms=$(echo "$output" | grep -oP 'ms=\K[0-9.]+' || echo "0")
|
||||
local mbs=$(echo "$output" | grep -oP 'throughput_mbs=\K[0-9.]+' || echo "0")
|
||||
local ok=1
|
||||
verify "$SRC_DIR" "$dst" || ok=0
|
||||
echo "${ms}|${mbs}|${ok}"
|
||||
rm -rf "$dst"
|
||||
}
|
||||
|
||||
# ── Run rsync test over TCP (through rsyncd) ──────────────────────────────
|
||||
# ── Run rsync over TCP ───────────────────────────────────────────────────
|
||||
run_rsync_tcp() {
|
||||
local use_compress=${1:-0}
|
||||
local dst_dir="$DST_DIR_BASE/rsync_${use_compress}"
|
||||
local dst="$DST_DIR_BASE/rsync_${use_compress}"
|
||||
rm -rf "$dst"
|
||||
mkdir -p "$dst"
|
||||
|
||||
rm -rf "$dst_dir"
|
||||
mkdir -p "$dst_dir"
|
||||
local start=$(date +%s%N)
|
||||
local compress_flag=""
|
||||
[ "$use_compress" -eq 1 ] && compress_flag="--compress"
|
||||
|
||||
local start end
|
||||
start=$(date +%s%N)
|
||||
rsync -a $compress_flag "rsync://$HOST:$RSYNC_PORT/network_bench/" "$dst/" >/dev/null 2>&1
|
||||
|
||||
# Use rsync:// protocol to go through TCP on loopback (experiences network simulation)
|
||||
if [ "$use_compress" -eq 1 ]; then
|
||||
rsync -a --compress "rsync://$HOST:$RSYNC_PORT/test_module/" "$dst_dir/" > /dev/null 2>&1
|
||||
else
|
||||
rsync -a "rsync://$HOST:$RSYNC_PORT/test_module/" "$dst_dir/" > /dev/null 2>&1
|
||||
fi
|
||||
local end=$(date +%s%N)
|
||||
local ms=$(( (end - start) / 1000000 ))
|
||||
|
||||
end=$(date +%s%N)
|
||||
local elapsed_ms=$(( (end - start) / 1000000 ))
|
||||
|
||||
# Calculate throughput
|
||||
local total_bytes
|
||||
total_bytes=$(find "$SRC_DIR" -type f -exec stat -c %s {} \; | awk '{sum+=$1} END {print sum}')
|
||||
local total_bytes=$(find "$SRC_DIR" -type f -printf '%s\n' | awk '{sum+=$1} END {print sum}')
|
||||
local mbs=0
|
||||
if [ "$elapsed_ms" -gt 0 ]; then
|
||||
mbs=$(awk "BEGIN {printf \"%.2f\", $total_bytes / 1048576.0 / ($elapsed_ms / 1000.0)}")
|
||||
fi
|
||||
[ "$ms" -gt 0 ] && mbs=$(awk "BEGIN {printf \"%.2f\", $total_bytes / 1048576.0 / ($ms / 1000.0)}")
|
||||
|
||||
local verified=1
|
||||
if ! verify_sync "$SRC_DIR" "$dst_dir"; then
|
||||
verified=0
|
||||
fi
|
||||
|
||||
echo "${elapsed_ms}|${mbs}|${verified}"
|
||||
|
||||
# Cleanup
|
||||
rm -rf "$dst_dir"
|
||||
local ok=1
|
||||
verify "$SRC_DIR" "$dst" || ok=0
|
||||
echo "${ms}|${mbs}|${ok}"
|
||||
rm -rf "$dst"
|
||||
}
|
||||
|
||||
# ── Run cp test (local baseline - no network) ──────────────────────────────
|
||||
run_cp() {
|
||||
local dst_dir="$DST_DIR_BASE/cp"
|
||||
|
||||
rm -rf "$dst_dir"
|
||||
mkdir -p "$dst_dir"
|
||||
|
||||
local start end
|
||||
start=$(date +%s%N)
|
||||
cp -r "$SRC_DIR"/* "$dst_dir/" 2>/dev/null
|
||||
end=$(date +%s%N)
|
||||
|
||||
local elapsed_ms=$(( (end - start) / 1000000 ))
|
||||
|
||||
local total_bytes
|
||||
total_bytes=$(find "$SRC_DIR" -type f -exec stat -c %s {} \; | awk '{sum+=$1} END {print sum}')
|
||||
local mbs=0
|
||||
if [ "$elapsed_ms" -gt 0 ]; then
|
||||
mbs=$(awk "BEGIN {printf \"%.2f\", $total_bytes / 1048576.0 / ($elapsed_ms / 1000.0)}")
|
||||
fi
|
||||
|
||||
local verified=1
|
||||
if ! verify_sync "$SRC_DIR" "$dst_dir"; then
|
||||
verified=0
|
||||
fi
|
||||
|
||||
echo "${elapsed_ms}|${mbs}|${verified}"
|
||||
|
||||
rm -rf "$dst_dir"
|
||||
}
|
||||
|
||||
# ── Run rclone test over TCP (if available) ────────────────────────────────
|
||||
run_rclone_tcp() {
|
||||
if [ "$HAS_RCLONE" -eq 0 ]; then
|
||||
echo "0|0|0"
|
||||
return
|
||||
fi
|
||||
|
||||
local dst_dir="$DST_DIR_BASE/rclone"
|
||||
rm -rf "$dst_dir"
|
||||
mkdir -p "$dst_dir"
|
||||
|
||||
# Start rclone serve in background
|
||||
rclone serve http --addr "$HOST:$RCLONE_PORT" --baseurl / "$SRC_DIR" > /dev/null 2>&1 &
|
||||
local rclone_pid=$!
|
||||
sleep 1
|
||||
|
||||
local start end
|
||||
start=$(date +%s%N)
|
||||
# Use HTTP which goes through TCP on loopback
|
||||
rclone copy "http://$HOST:$RCLONE_PORT" "$dst_dir" -q --transfers 4 --checkers 8 2>/dev/null || true
|
||||
end=$(date +%s%N)
|
||||
|
||||
kill "$rclone_pid" 2>/dev/null || true
|
||||
wait "$rclone_pid" 2>/dev/null || true
|
||||
|
||||
local elapsed_ms=$(( (end - start) / 1000000 ))
|
||||
local total_bytes
|
||||
total_bytes=$(find "$SRC_DIR" -type f -exec stat -c %s {} \; | awk '{sum+=$1} END {print sum}')
|
||||
local mbs=0
|
||||
if [ "$elapsed_ms" -gt 0 ]; then
|
||||
mbs=$(awk "BEGIN {printf \"%.2f\", $total_bytes / 1048576.0 / ($elapsed_ms / 1000.0)}")
|
||||
fi
|
||||
|
||||
local verified=1
|
||||
if ! verify_sync "$SRC_DIR" "$dst_dir"; then
|
||||
verified=0
|
||||
fi
|
||||
|
||||
echo "${elapsed_ms}|${mbs}|${verified}"
|
||||
rm -rf "$dst_dir"
|
||||
}
|
||||
|
||||
# ── Bar chart helper ────────────────────────────────────────────────────────
|
||||
# ── Bar chart ─────────────────────────────────────────────────────────────
|
||||
draw_bar() {
|
||||
local val=$1
|
||||
local max=$2
|
||||
local width=30
|
||||
|
||||
local val=$1 max=$2 width=30
|
||||
[ "$max" -eq 0 ] && max=1
|
||||
|
||||
local filled
|
||||
filled=$(LC_ALL=C awk "BEGIN{printf \"%d\", ($val * $width / $max)}")
|
||||
# Convert to integers for arithmetic
|
||||
local val_int=$(echo "$val" | awk '{printf "%d", $1+0}')
|
||||
local max_int=$(echo "$max" | awk '{printf "%d", $1+0}')
|
||||
[ "$max_int" -eq 0 ] && max_int=1
|
||||
local filled=$(( val_int * width / max_int ))
|
||||
[ "$filled" -gt "$width" ] && filled=$width
|
||||
|
||||
local bar=""
|
||||
printf -v bar ''
|
||||
for ((i=0; i<filled; i++)); do bar+="█"; done
|
||||
for ((i=filled; i<width; i++)); do bar+="░"; done
|
||||
echo "$bar"
|
||||
@@ -437,225 +296,136 @@ draw_bar() {
|
||||
# ────────────────────────────────────────────────────────────────────────────
|
||||
|
||||
echo ""
|
||||
echo -e "${BOLD}╔═══════════════════════════════════════════════════════════════════════════╗${RESET}"
|
||||
echo -e "${BOLD}║ fastSyncAI — Network Condition Benchmark${RESET}"
|
||||
echo -e "${BOLD}╚═══════════════════════════════════════════════════════════════════════════╝${RESET}"
|
||||
echo -e "${BOLD}═══════════════════════════════════════════════════════════════════════════╗${RESET}"
|
||||
echo -e "${BOLD} fastSyncAI — Fair Network Comparison Benchmark${RESET}"
|
||||
echo -e "${BOLD} (All tools tested with IDENTICAL network conditions)${RESET}"
|
||||
echo -e "${BOLD}═══════════════════════════════════════════════════════════════════════════╝${RESET}"
|
||||
echo ""
|
||||
echo -e " Scenario : ${CYAN}${SCENARIO_NAME}${RESET}"
|
||||
echo -e " Data size : ${CYAN}${DATA_SIZE_MB} MB${RESET}"
|
||||
echo -e " Latency : ${CYAN}${LATENCY_MS}ms RTT${RESET}"
|
||||
echo -e " Packet loss: ${CYAN}${PACKET_LOSS}${RESET}"
|
||||
echo -e " Jitter : ${CYAN}±${JITTER_MS}ms${RESET}"
|
||||
echo ""
|
||||
|
||||
echo -e " Scenario : ${CYAN}${SCENARIO_NAME}${RESET}"
|
||||
echo -e " Data size : ${CYAN}${DATA_SIZE_MB} MB${RESET}"
|
||||
echo -e " Runs per test : ${CYAN}${RUN_COUNT}${RESET}"
|
||||
echo -e " Latency : ${CYAN}${LATENCY_MS}ms RTT${RESET}"
|
||||
echo -e " Packet loss : ${CYAN}${PACKET_LOSS}${RESET}"
|
||||
echo -e " Jitter : ${CYAN}±${JITTER_MS}ms${RESET}"
|
||||
echo ""
|
||||
|
||||
# Setup network conditions
|
||||
# Setup network
|
||||
setup_network
|
||||
|
||||
# Start rsync daemon (for TCP-based rsync tests)
|
||||
# Generate data and start rsyncd
|
||||
generate_data
|
||||
start_rsyncd
|
||||
|
||||
# Copy data to rsync module
|
||||
info "Preparing rsync module..."
|
||||
cp -r "$SRC_DIR"/* "$RSYNC_MODULE_DIR/" 2>/dev/null
|
||||
|
||||
generate_test_data
|
||||
echo ""
|
||||
|
||||
# Connection counts to test for fastSyncAI
|
||||
# Test configurations
|
||||
CONN_COUNTS=(1 2 4 8 16)
|
||||
FS_LABELS=("fastSyncAI 1 conn" "fastSyncAI 2 conn" "fastSyncAI 4 conn" "fastSyncAI 8 conn" "fastSyncAI 16 conn")
|
||||
|
||||
# Initialize result arrays
|
||||
declare -a FS_RESULTS RS_RESULTS RSC_RESULTS CP_RESULTS RCLONE_RESULTS
|
||||
FS_LABELS=("fastSyncAI (1 conn)" "fastSyncAI (2 conn)" "fastSyncAI (4 conn)" "fastSyncAI (8 conn)" "fastSyncAI (16 conn)")
|
||||
info "Testing over network (${SCENARIO_NAME})..."
|
||||
echo ""
|
||||
|
||||
# ── Phase 1: Network-based tools (all experience network simulation) ──────────
|
||||
info "Testing tools over simulated network ${SCENARIO_NAME}..."
|
||||
# Collect results
|
||||
declare -a FS_RES RSYNC_RES RSYNCC_RES
|
||||
|
||||
# Test fastSyncAI with different connection counts
|
||||
for nconn in "${CONN_COUNTS[@]}"; do
|
||||
echo -n " Testing fastSyncAI ${nconn} connections... "
|
||||
result=$(run_fastsync "$nconn")
|
||||
IFS='|' read -r ms mbs verified <<< "$result"
|
||||
FS_RESULTS+=("$ms|$mbs|$verified")
|
||||
if [ "$verified" -eq 1 ]; then
|
||||
ok "${mbs} MB/s (${ms}ms)"
|
||||
else
|
||||
warn "${mbs} MB/s (${ms}ms) - VERIFICATION FAILED"
|
||||
fi
|
||||
# fastSyncAI tests
|
||||
for i in "${!CONN_COUNTS[@]}"; do
|
||||
n=${CONN_COUNTS[$i]}
|
||||
echo -n " ${FS_LABELS[$i]}... "
|
||||
result=$(run_fastsync $n)
|
||||
IFS='|' read -r ms mbs ok <<< "$result"
|
||||
FS_RES+=("$ms|$mbs|$ok")
|
||||
[ "$ok" -eq 1 ] && ok "${mbs} MB/s (${ms}ms)" || warn "${mbs} MB/s (${ms}ms) FAILED"
|
||||
done
|
||||
|
||||
# Test rsync over TCP (through rsyncd on loopback - experiences network simulation)
|
||||
echo -n " Testing rsync over TCP... "
|
||||
# rsync tests (over TCP with network simulation)
|
||||
echo -n " rsync (TCP)... "
|
||||
result=$(run_rsync_tcp 0)
|
||||
IFS='|' read -r ms mbs verified <<< "$result"
|
||||
RS_RESULTS=("$ms|$mbs|$verified")
|
||||
if [ "$verified" -eq 1 ]; then
|
||||
ok "${mbs} MB/s (${ms}ms)"
|
||||
else
|
||||
warn "${mbs} MB/s (${ms}ms) - VERIFICATION FAILED"
|
||||
fi
|
||||
IFS='|' read -r ms mbs ok <<< "$result"
|
||||
RSYNC_RES=("$ms|$mbs|$ok")
|
||||
[ "$ok" -eq 1 ] && ok "${mbs} MB/s (${ms}ms)" || warn "${mbs} MB/s (${ms}ms) FAILED"
|
||||
|
||||
# Test rsync with compression over TCP
|
||||
echo -n " Testing rsync + compress over TCP... "
|
||||
echo -n " rsync + compress (TCP)... "
|
||||
result=$(run_rsync_tcp 1)
|
||||
IFS='|' read -r ms mbs verified <<< "$result"
|
||||
RSC_RESULTS=("$ms|$mbs|$verified")
|
||||
if [ "$verified" -eq 1 ]; then
|
||||
ok "${mbs} MB/s (${ms}ms)"
|
||||
else
|
||||
warn "${mbs} MB/s (${ms}ms) - VERIFICATION FAILED"
|
||||
fi
|
||||
IFS='|' read -r ms mbs ok <<< "$result"
|
||||
RSYNCC_RES=("$ms|$mbs|$ok")
|
||||
[ "$ok" -eq 1 ] && ok "${mbs} MB/s (${ms}ms)" || warn "${mbs} MB/s (${ms}ms) FAILED"
|
||||
|
||||
# Test rclone over TCP (if available)
|
||||
if [ "$HAS_RCLONE" -eq 1 ]; then
|
||||
echo -n " Testing rclone over TCP... "
|
||||
result=$(run_rclone_tcp)
|
||||
IFS='|' read -r ms mbs verified <<< "$result"
|
||||
RCLONE_RESULTS=("$ms|$mbs|$verified")
|
||||
if [ "$verified" -eq 1 ]; then
|
||||
ok "${mbs} MB/s (${ms}ms)"
|
||||
else
|
||||
warn "${mbs} MB/s (${ms}ms) - VERIFICATION FAILED"
|
||||
fi
|
||||
else
|
||||
warn "rclone not installed - skipping"
|
||||
fi
|
||||
|
||||
# Cleanup network simulation (for local cp baseline)
|
||||
# Cleanup network
|
||||
cleanup_network
|
||||
|
||||
# ── Phase 2: Local baseline (cp - no network) ────────────────────────────────
|
||||
echo -n " Testing cp (local baseline)... "
|
||||
result=$(run_cp)
|
||||
IFS='|' read -r ms mbs verified <<< "$result"
|
||||
CP_RESULTS=("$ms|$mbs|$verified")
|
||||
if [ "$verified" -eq 1 ]; then
|
||||
ok "${mbs} MB/s (${ms}ms)"
|
||||
else
|
||||
warn "${mbs} MB/s (${ms}ms) - VERIFICATION FAILED"
|
||||
fi
|
||||
|
||||
echo ""
|
||||
echo -e "${BOLD}═══════════════════════════════════════════════════════════════════════════╗${RESET}"
|
||||
echo -e "${BOLD} NETWORK CONDITION RESULTS${RESET}"
|
||||
echo -e "${BOLD} Scenario: ${SCENARIO_NAME}${RESET}"
|
||||
echo -e "${BOLD} (All TCP tools tested with network simulation)${RESET}"
|
||||
echo -e "${BOLD} FAIR COMPARISON RESULTS${RESET}"
|
||||
echo -e "${BOLD} (All tools over TCP with ${SCENARIO_NAME})${RESET}"
|
||||
echo -e "${BOLD}═══════════════════════════════════════════════════════════════════════════╝${RESET}"
|
||||
echo ""
|
||||
|
||||
# ── Calculate max MB/s for bar scaling ────────────────────────────────────
|
||||
calc_max_mbs() {
|
||||
# Calculate max for scaling
|
||||
calc_max() {
|
||||
local max=0
|
||||
for res in "${FS_RESULTS[@]}" "${RS_RESULTS[@]}" "${RSC_RESULTS[@]}" "${CP_RESULTS[@]}" "${RCLONE_RESULTS[@]}"; do
|
||||
for res in "${FS_RES[@]}" "${RSYNC_RES[@]}" "${RSYNCC_RES[@]}"; do
|
||||
local mbs=$(echo "$res" | cut -d'|' -f2)
|
||||
local int_mbs=$(echo "$mbs" | awk '{printf "%d", $1+0}')
|
||||
[ "$int_mbs" -gt "$max" ] && max=$int_mbs
|
||||
local int=$(echo "$mbs" | awk '{printf "%d", $1+0}')
|
||||
[ "$int" -gt "$max" ] 2>/dev/null && max=$int
|
||||
done
|
||||
echo $max
|
||||
}
|
||||
|
||||
MAX_MBS=$(calc_max_mbs)
|
||||
MAX_MBS=$(calc_max)
|
||||
[ "$MAX_MBS" -eq 0 ] && MAX_MBS=100
|
||||
|
||||
# ── Print fastSyncAI results ────────────────────────────────────────────────
|
||||
echo " === fastSyncAI (Multi-connection, over TCP with ${SCENARIO_NAME}) ==="
|
||||
printf " %-30s %-10s %-10s %s %s\n" "Configuration" "Time (ms)" "MB/s" "Throughput" "Verified"
|
||||
printf " %-30s %-10s %-10s %s %s\n" "------------------------------" "----------" "----------" "-----------" "--------"
|
||||
printf " %-22s %-10s %-10s %s\n" "Tool" "Time (ms)" "MB/s" "Throughput"
|
||||
printf " %-22s %-10s %-10s %s\n" "----------------------" "----------" "----------" "------------"
|
||||
|
||||
for i in "${!FS_RESULTS[@]}"; do
|
||||
IFS='|' read -r ms mbs verified <<< "${FS_RESULTS[$i]}"
|
||||
for i in "${!FS_RES[@]}"; do
|
||||
IFS='|' read -r ms mbs ok <<< "${FS_RES[$i]}"
|
||||
bar=$(draw_bar "$mbs" "$MAX_MBS")
|
||||
verified_str=$([ "$verified" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-30s %-10s %-10s %s %s\n" "${FS_LABELS[$i]}" "$ms" "$mbs" "$bar" "$verified_str"
|
||||
v=$([ "$ok" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-22s %-10s %-10s %s %s\n" "${FS_LABELS[$i]}" "$ms" "$mbs" "$bar" "$v"
|
||||
done
|
||||
|
||||
# ── Print other tool results (TCP-based, with network simulation) ────────────
|
||||
echo ""
|
||||
echo " === Other Network Tools (over TCP with ${SCENARIO_NAME}) ==="
|
||||
printf " %-30s %-10s %-10s %s %s\n" "Tool" "Time (ms)" "MB/s" "Throughput" "Verified"
|
||||
printf " %-30s %-10s %-10s %s %s\n" "------------------------------" "----------" "----------" "-----------" "--------"
|
||||
|
||||
# rsync
|
||||
IFS='|' read -r ms mbs verified <<< "${RS_RESULTS[0]}"
|
||||
IFS='|' read -r ms mbs ok <<< "${RSYNC_RES[0]}"
|
||||
bar=$(draw_bar "$mbs" "$MAX_MBS")
|
||||
verified_str=$([ "$verified" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-30s %-10s %-10s %s %s\n" "rsync (TCP)" "$ms" "$mbs" "$bar" "$verified_str"
|
||||
v=$([ "$ok" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-22s %-10s %-10s %s %s\n" "rsync (TCP)" "$ms" "$mbs" "$bar" "$v"
|
||||
|
||||
# rsync + compress
|
||||
IFS='|' read -r ms mbs verified <<< "${RSC_RESULTS[0]}"
|
||||
IFS='|' read -r ms mbs ok <<< "${RSYNCC_RES[0]}"
|
||||
bar=$(draw_bar "$mbs" "$MAX_MBS")
|
||||
verified_str=$([ "$verified" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-30s %-10s %-10s %s %s\n" "rsync + compress (TCP)" "$ms" "$mbs" "$bar" "$verified_str"
|
||||
v=$([ "$ok" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-22s %-10s %-10s %s %s\n" "rsync+compress (TCP)" "$ms" "$mbs" "$bar" "$v"
|
||||
|
||||
# rclone
|
||||
if [ "${RCLONE_RESULTS[0]}" != "0|0|0" ]; then
|
||||
IFS='|' read -r ms mbs verified <<< "${RCLONE_RESULTS[0]}"
|
||||
bar=$(draw_bar "$mbs" "$MAX_MBS")
|
||||
verified_str=$([ "$verified" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-30s %-10s %-10s %s %s\n" "rclone (TCP)" "$ms" "$mbs" "$bar" "$verified_str"
|
||||
fi
|
||||
|
||||
# cp (local baseline - separate section)
|
||||
echo ""
|
||||
echo " === Local Baseline (no network) ==="
|
||||
IFS='|' read -r ms mbs verified <<< "${CP_RESULTS[0]}"
|
||||
bar=$(draw_bar "$mbs" "$MAX_MBS")
|
||||
verified_str=$([ "$verified" -eq 1 ] && echo "✓" || echo "✗")
|
||||
printf " %-30s %-10s %-10s %s %s\n" "cp (local baseline)" "$ms" "$mbs" "$bar" "$verified_str"
|
||||
|
||||
# ── Find best configuration and speedup analysis ────────────────────────────
|
||||
# Analysis
|
||||
echo ""
|
||||
echo -e "${BOLD}═══════════════════════════════════════════════════════════════════════════╗${RESET}"
|
||||
echo -e "${BOLD} ANALYSIS${RESET}"
|
||||
echo -e "${BOLD}═══════════════════════════════════════════════════════════════════════════╝${RESET}"
|
||||
echo ""
|
||||
|
||||
# Find best fastSyncAI config
|
||||
best_fs_idx=0
|
||||
best_fs_mbs=0
|
||||
for i in "${!FS_RESULTS[@]}"; do
|
||||
IFS='|' read -r ms mbs verified <<< "${FS_RESULTS[$i]}"
|
||||
mbs_int=$(echo "$mbs" | awk '{printf "%d", $1+0}')
|
||||
if [ "$mbs_int" -gt "$best_fs_mbs" ]; then
|
||||
best_fs_mbs=$mbs_int
|
||||
best_fs_idx=$i
|
||||
fi
|
||||
# Find best
|
||||
best_idx=0
|
||||
best_mbs=0
|
||||
for i in "${!FS_RES[@]}"; do
|
||||
this_mbs=$(echo "${FS_RES[$i]}" | cut -d'|' -f2 | awk '{printf "%d", $1+0}')
|
||||
[ "$this_mbs" -gt "$best_mbs" ] && best_mbs=$this_mbs && best_idx=$i
|
||||
done
|
||||
best_label="${FS_LABELS[$best_idx]}"
|
||||
|
||||
# Get rsync MB/s for comparison
|
||||
IFS='|' read -r rs_ms rs_mbs rs_verified <<< "${RS_RESULTS[0]}"
|
||||
IFS='|' read -r rs_ms rs_mbs rs_ok <<< "${RSYNC_RES[0]}"
|
||||
rs_mbs_int=$(echo "$rs_mbs" | awk '{printf "%d", $1+0}')
|
||||
|
||||
ok "Best fastSyncAI config: ${FS_LABELS[$best_fs_idx]} (${best_fs_mbs} MB/s)"
|
||||
ok "Best fastSyncAI: $best_label (${best_mbs} MB/s)"
|
||||
|
||||
# Speedup vs rsync (both over same network conditions)
|
||||
echo ""
|
||||
echo "Speedup vs rsync (both over ${SCENARIO_NAME}):"
|
||||
if [ "$(awk "BEGIN {print ($rs_mbs > 0) ? 1 : 0}")" = "1" ]; then
|
||||
best_fs_result="${FS_RESULTS[$best_fs_idx]}"
|
||||
IFS='|' read -r fs_ms fs_mbs fs_verified <<< "$best_fs_result"
|
||||
speedup=$(awk "BEGIN {printf \"%.2f\", $fs_mbs / ($rs_mbs == 0 ? 0.01 : $rs_mbs)}")
|
||||
|
||||
if [ "$(awk "BEGIN {print ($fs_mbs > $rs_mbs) ? 1 : 0}")" = "1" ]; then
|
||||
echo -e " ${GREEN}fastSyncAI (best) is ${speedup}x faster than rsync${RESET}"
|
||||
elif [ "$(awk "BEGIN {print ($rs_mbs > $fs_mbs) ? 1 : 0}")" = "1" ]; then
|
||||
speedup_inv=$(awk "BEGIN {printf \"%.2f\", $rs_mbs / ($fs_mbs == 0 ? 0.01 : $fs_mbs)}")
|
||||
echo -e " ${GREEN}rsync is ${speedup_inv}x faster than fastSyncAI (best)${RESET}"
|
||||
if [ "$rs_mbs_int" -gt 0 ]; then
|
||||
echo ""
|
||||
echo "Speedup vs rsync (both over ${SCENARIO_NAME}):"
|
||||
speedup=$(awk "BEGIN {printf \"%.2f\", $best_mbs / ($rs_mbs_int == 0 ? 0.01 : $rs_mbs_int)}")
|
||||
if [ "$best_mbs" -gt "$rs_mbs_int" ]; then
|
||||
echo -e " ${GREEN}fastSyncAI is ${speedup}x FASTER than rsync${RESET}"
|
||||
elif [ "$rs_mbs_int" -gt "$best_mbs" ]; then
|
||||
speedup=$(awk "BEGIN {printf \"%.2f\", $rs_mbs_int / ($best_mbs == 0 ? 0.01 : $best_mbs)}")
|
||||
echo -e " ${GREEN}rsync is ${speedup}x faster than fastSyncAI${RESET}"
|
||||
else
|
||||
echo -e " Both performed similarly"
|
||||
fi
|
||||
fi
|
||||
|
||||
# Compare to local cp to show network overhead
|
||||
echo ""
|
||||
echo "Network overhead (vs local cp):"
|
||||
IFS='|' read -r cp_ms cp_mbs cp_verified <<< "${CP_RESULTS[0]}"
|
||||
if [ "$(awk "BEGIN {print ($cp_mbs > 0) ? 1 : 0}")" = "1" ]; then
|
||||
overhead_pct=$(awk "BEGIN {printf \"%.1f\", (1 - $best_fs_mbs / $cp_mbs) * 100}")
|
||||
ratio=$(awk "BEGIN {printf \"%.2f\", $cp_mbs / ($best_fs_mbs == 0 ? 0.01 : $best_fs_mbs)}")
|
||||
echo -e " cp is ${ratio}x faster than best fastSyncAI (${overhead_pct}% overhead from network simulation)"
|
||||
fi
|
||||
|
||||
echo ""
|
||||
ok "Network benchmark complete!"
|
||||
ok "Benchmark complete!"
|
||||
|
||||
Reference in New Issue
Block a user