Weaviate: Use Slow-Query Log and Profiling to Fix Slow Hybrid Search Queries
CShorten30 · x · 2026-10-30
- 慢查询日志：设置 QUERYSLOWLOGENABLED=true 与 QUERYSLOWLOGTHRESHOLD（如 2s），被动发现整个集群中超过阈值的查询并记录耗时分解。
- 性能剖析：对单个请求启用 query profiling，按 shard 和 node 检查分段耗时：
- objectstook 高 → 检查存储、page cache、payload 大小或结果上限；
- filtersbuildallowlisttook 高 → 过滤条件可能过宽；
- knnsearchrescoretook 高 → 检查存储与压缩。
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