TapTap/FastSyncAi
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Fix: 1-connection failures and improve benchmark speed

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- Fixed port conflict: FASTSYNC_PORT changed from 19399 to 19410
  (19399+1=19400 conflicted with RSYNC_PORT=19400 on 1-connection runs)
- Reduced defaults: DATA_SIZE_MB 100->50, RUN_COUNT 3->1 (faster benchmarks)
- Improved wait times: data-size-aware, much longer for 1 connection
- Increased timeout: 300s -> 600s for client
- Better server startup: sleep 1 (was 0.5s)
- Better sync: sleep 2 after sync (was sleep 1 + sync + sleep 1)

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
This commit is contained in:
taptap
2026-06-24 16:57:20 +02:00
parent 6e1cf8473c
commit bc21b7b39a
1 changed files with 15 additions and 16 deletions
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benchmark_network.sh
+15 -16
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@@ -25,8 +25,8 @@
set -euo pipefail
# ── Defaults ──────────────────────────────────────────────────────────────
DATA_SIZE_MB=${2:-100}
RUN_COUNT=${3:-3}
DATA_SIZE_MB=${2:-50}
RUN_COUNT=${3:-1}
SCENARIO="${1:---lan}"
# ── Parse scenario ────────────────────────────────────────────────────────
@@ -59,7 +59,7 @@ case "$SCENARIO" in
esac
# ── Ports ────────────────────────────────────────────────────────────────
FASTSYNC_PORT=19399
FASTSYNC_PORT=19410
RSYNC_PORT=19400
HOST="127.0.0.1"
@@ -227,28 +227,27 @@ run_fastsync() {
"$SERVER_BIN" -p "$port" -d "$dst" >/dev/null 2>&1 &
local spid=$!
sleep 0.5
sleep 1
local output
output=$(timeout 300 "$CLIENT_BIN" -h "$HOST" -p "$port" -s "$SRC_DIR" -n "$nconn" 2>&1) || true
output=$(timeout 600 "$CLIENT_BIN" -h "$HOST" -p "$port" -s "$SRC_DIR" -n "$nconn" 2>&1) || true
# With network latency, wait for all data to be written and synced to disk
# Base wait: proportional to latency (round-trip * 2 for safety margin)
# Connection factor: more connections = faster transfer = less extra wait needed
# 1 connection needs more time as data is sent sequentially
local base_wait=$(( LATENCY_MS / 10 ))
[ "$base_wait" -lt 2 ] && base_wait=2
local conn_factor=$(( 10 / nconn ))
local wait_time=$(( base_wait + conn_factor + 3 ))
[ "$wait_time" -lt 5 ] && wait_time=5
[ "$nconn" -eq 1 ] && wait_time=$(( wait_time + LATENCY_MS / 20 + 3 ))
# For 1 connection: much more time needed as data is sequential
# For high latency: extra margin for TCP retransmissions and jitter
local wait_time=5
if [ "$nconn" -eq 1 ]; then
wait_time=$(( 15 + LATENCY_MS / 5 + (DATA_SIZE_MB / 20) ))
else
wait_time=$(( 5 + LATENCY_MS / 10 + (DATA_SIZE_MB / 50) ))
fi
[ "$wait_time" -lt 10 ] && wait_time=10
sleep $wait_time
kill "$spid" 2>/dev/null || true
wait "$spid" 2>/dev/null || true
sync
sleep 1
sync
sleep 2
local ms=$(echo "$output" | grep -oP 'ms=\K[0-9.]+' || echo "0")
local mbs=$(echo "$output" | grep -oP 'throughput_mbs=\K[0-9.]+' || echo "0")