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Chris LuandGitHub
76783f3d71
* test: add FUSE database load/durability/perf benchmark Runs MySQL (InnoDB) and SQLite with ~1GB datadirs on a SeaweedFS FUSE mount. Two parts: - durability: normal shutdown, kill -9, and crash-during-write all keep every fsync-committed row (verified by integrity check + row count + contiguous prefix + per-row CRC). - performance: FUSE vs the same local disk. fsync/commit latency is the dominant cost (~0.13ms -> ~1.18ms), so small transactions run ~9-12x slower while bulk loads and warm reads stay close. Harness is path-independent (runtime under $SEAWEED_BENCH_WORK) and only touches its own processes on non-default ports. * test/benchmark/fuse_db: portable to Linux + crash-safe progress - export MYSQL_BIN; mysql_bench.py falls back to PATH when unset - unmount via fusermount/fusermount3 (non-root Linux), then umount/diskutil - atomic progress write (tmp+fsync+rename); treat empty progress file as 0 - reuse a single PRNG in the perf probe so RNG init doesn't skew timings * test/benchmark/fuse_db: validate inputs, add subprocess timeout - mysql_bench.py: 1800s timeout on mysql CLI calls; reject db names that aren't plain identifiers (interpolated into SQL) - sqlite_gen.py / sqlite_verify.py: allowlist journal/synchronous modes and the verify mode so a typo can't silently weaken durability or relax checks - run_mysql.sh: durable atomic progress write (tmp+fsync+rename), matching sqlite_gen.py; quote $LB in both crash-test verify calls
68 lines
2.9 KiB
Bash
Executable File
68 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# SQLite ~1GB load test on the SeaweedFS FUSE mount + crash suite.
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BIN="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$BIN/lib.sh"
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TOTAL=262144 # 262144 * 4096B payload = ~1GiB of row data
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BATCH=4096 # 64 committed transactions (each fsync'd, synchronous=FULL)
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DB=$MNT/sqlite/load.db
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PROG=$LOCAL/sqlite_progress.txt
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REF=$LOCAL/sqlite_ref.txt
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PASS=0; FAIL=0
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chk() { if [ "$1" -eq 0 ]; then echo ">>> $2: PASS"; PASS=$((PASS+1)); else echo ">>> $2: FAIL"; FAIL=$((FAIL+1)); fi; }
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echo "######## SQLite FUSE load test $(date) ########"
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# ---------- fresh cluster + 1GB load ----------
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clean_state; cluster_start || exit 1; mount_start || exit 1
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mkdir -p "$MNT/sqlite"
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say "loading ~1GB into SQLite (journal=DELETE synchronous=FULL)"
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t0=$SECONDS
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python3 "$BIN/sqlite_gen.py" "$DB" $TOTAL $BATCH "$PROG" "$REF" FULL DELETE | tail -3
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say "load done in $((SECONDS-t0))s; file size:"; ls -lh "$DB"; du -sh "$MNT/sqlite"
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status_report
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# ---------- Scenario A: normal (graceful) shutdown + restart ----------
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echo; echo "==================== SCENARIO A: NORMAL SHUTDOWN ===================="
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mount_stop_graceful
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cluster_stop_graceful
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sleep 1
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cluster_start || exit 1; mount_start || exit 1
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say "verifying after graceful restart"
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python3 "$BIN/sqlite_verify.py" "$DB" $TOTAL exact; chk $? "A/normal-shutdown"
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# ---------- Scenario B: unexpected shutdown (kill -9) + restart ----------
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echo; echo "============== SCENARIO B: UNEXPECTED SHUTDOWN (kill -9) =============="
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hard_kill_all
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sleep 1
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cluster_start || exit 1; mount_start || exit 1
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say "verifying after kill -9 + restart"
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python3 "$BIN/sqlite_verify.py" "$DB" $TOTAL exact; chk $? "B/unexpected-shutdown"
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# ---------- Scenario C: crash DURING active writes ----------
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echo; echo "=========== SCENARIO C: CRASH DURING ACTIVE WRITES (kill -9) ==========="
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clean_state; cluster_start || exit 1; mount_start || exit 1
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mkdir -p "$MNT/sqlite"; : > "$PROG"
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say "starting loader in background; will crash storage mid-write"
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python3 "$BIN/sqlite_gen.py" "$DB" $TOTAL $BATCH "$PROG" "" FULL DELETE > "$LOGS/sqlite_gen_c.log" 2>&1 &
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GENPID=$!
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# wait until at least half is durably committed
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while :; do
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p=$(cat "$PROG" 2>/dev/null || echo 0); p=${p:-0}
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[ "$p" -ge $((TOTAL/2)) ] && break
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kill -0 $GENPID 2>/dev/null || { say "loader exited early"; break; }
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sleep 0.2
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done
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LB=$(cat "$PROG" 2>/dev/null); LB=${LB:-0} # empty file (killed mid-write) -> 0
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say "durable committed lower-bound at crash = $LB rows; crashing storage now"
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hard_kill_all # storage dies under the still-writing loader
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kill -9 $GENPID 2>/dev/null; wait $GENPID 2>/dev/null
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sleep 1
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cluster_start || exit 1; mount_start || exit 1
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say "verifying recovery (committed prefix must survive, integrity must hold)"
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python3 "$BIN/sqlite_verify.py" "$DB" "$LB" atleast; chk $? "C/crash-during-write"
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echo; echo "######## SQLite RESULT: PASS=$PASS FAIL=$FAIL ########"
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mount_stop_graceful; cluster_stop_graceful
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exit $FAIL
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