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Storage fixes: - Fix bloom filter hash2 OverflowDefect (uint64 instead of int Hash) - Fix MemTable.put size calculation on overwrite (was leaking size) - Fix fuzz_test duplicate-key issues in LSM delete and SSTable tests Test fixes: - Fix stress_test.nim: replace deprecated threadpool with std/threads - Fix fuzz_test.nim: add missing imports (tables, algorithm, sets) - Fix fuzz_test.nim: var sst for close() compatibility - Remove unused imports from test_all.nim and bench_all.nim Docker / CI fixes: - Fix Dockerfile.source: invalid nimlang/nim:2.2.10-alpine tag → 2.2.10 + ubuntu:24.04 runtime - Fix Dockerfile.source healthcheck (--spider → -qO- for 200 OK) - Fix Dockerfile run comment ports (9470/9471 → 9912/9913) - Fix scripts/docker-run.sh healthcheck port (9470 → 9912) - Add ARG BUILD_DATE/VCS_REF to Dockerfile for docker-build.sh - Update all version strings 1.1.4 → 1.1.6 across nimble/docker/source/docs
5.0 KiB
5.0 KiB
Мониторинг и Наблюдаемост
Health Checks
HTTP Health Endpoint
curl http://localhost:9470/health
Отговор:
{
"status": "healthy",
"version": "1.1.6",
"uptime_seconds": 86400,
"checks": {
"storage": "ok",
"memory": "ok",
"connections": "ok"
}
}
Readiness Probe
curl http://localhost:9470/ready
Връща 200 OK когато сървърът е готов да приема трафик, 503 по време на стартиране.
Метрики
Prometheus-Съвместими Метрики
curl http://localhost:9470/metrics
Примерен изход:
# HELP baradb_queries_total Общ брой изпълнени заявки
# TYPE baradb_queries_total counter
baradb_queries_total 152340
# HELP baradb_queries_duration_seconds Хистограма на времетраене на заявки
# TYPE baradb_queries_duration_seconds histogram
baradb_queries_duration_seconds_bucket{le="0.001"} 45000
baradb_queries_duration_seconds_bucket{le="0.01"} 120000
baradb_queries_duration_seconds_bucket{le="0.1"} 148000
# HELP baradb_storage_lsm_size_bytes Общ размер на LSM-Tree
# TYPE baradb_storage_lsm_size_bytes gauge
baradb_storage_lsm_size_bytes 2147483648
# HELP baradb_cache_hit_rate Page cache hit rate
# TYPE baradb_cache_hit_rate gauge
baradb_cache_hit_rate 0.94
# HELP baradb_active_connections Активни клиентски връзки
# TYPE baradb_active_connections gauge
baradb_active_connections 42
JSON Метрики
curl http://localhost:9470/metrics?format=json
Логване
Нива на Логване
| Ниво | Описание |
|---|---|
debug |
Детайлни вътрешни операции |
info |
Нормални операции |
warn |
Възстановими проблеми |
error |
Грешки, изискващи внимание |
Структурирани JSON Логове
BARADB_LOG_LEVEL=info \
BARADB_LOG_FORMAT=json \
BARADB_LOG_FILE=/var/log/baradb/baradb.log \
./build/baradadb
Примерен лог запис:
{
"timestamp": "2025-01-15T10:30:00.123Z",
"level": "info",
"component": "server",
"message": "Query executed",
"query": "SELECT * FROM users",
"duration_ms": 12,
"client_ip": "10.0.0.15"
}
Текстов Формат
BARADB_LOG_FORMAT=text ./build/baradadb
Правила за Алармиране
Prometheus AlertManager
groups:
- name: baradb
rules:
- alert: BaraDBHighErrorRate
expr: rate(baradb_errors_total[5m]) > 0.1
for: 5m
labels:
severity: critical
annotations:
summary: "Висок процент грешки в BaraDB"
- alert: BaraDBLowCacheHitRate
expr: baradb_cache_hit_rate < 0.8
for: 10m
labels:
severity: warning
annotations:
summary: "Cache hit rate под 80%"
- alert: BaraDBHighConnections
expr: baradb_active_connections > 800
for: 5m
labels:
severity: warning
annotations:
summary: "Голям брой връзки към BaraDB"
- alert: BaraDBDown
expr: up{job="baradb"} == 0
for: 1m
labels:
severity: critical
annotations:
summary: "BaraDB инстанцията не работи"
Разпределен Мониторинг
Клъстерни Метрики
За Raft клъстери, мониторирайте:
curl http://node1:9470/metrics/cluster
{
"cluster_id": "baradb-cluster-1",
"nodes": [
{"id": "node1", "role": "leader", "health": "healthy"},
{"id": "node2", "role": "follower", "health": "healthy"},
{"id": "node3", "role": "follower", "health": "healthy"}
],
"raft_log_index": 15420,
"raft_commit_index": 15420,
"shards": 4,
"replication_lag_ms": 5
}
Профилиране на Производителност
Вграден CPU Profiler
curl -X POST http://localhost:9470/debug/pprof/cpu?seconds=30 > cpu.prof
Memory Profiler
curl http://localhost:9470/debug/pprof/heap > heap.prof
Отстраняване на Проблеми с Метрики
| Симптом | Метрика | Действие |
|---|---|---|
| Бавни заявки | baradb_queries_duration_seconds |
Проверете cache hit rate, добавете индекси |
| Висока памет | process_resident_memory_bytes |
Намалете memtable/cache размери |
| Растящо съхранение | baradb_storage_lsm_size_bytes |
Пуснете ръчен compaction |
| Грешки при връзка | baradb_active_connections |
Увеличете connection pool или добавете възли |
| Репликационно закъснение | baradb_replication_lag_ms |
Проверете мрежата, увеличете ресурсите |