perf: IoT 卡 30M 行分页查询优化(P95 17.9s → <500ms)
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构建并部署到测试环境(无 SSH) / build-and-deploy (push) Successful in 7m6s
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构建并部署到测试环境(无 SSH) / build-and-deploy (push) Successful in 7m6s
- 新增 is_standalone 物化列 + 触发器自动维护(迁移 056) - 并行查询拆分:多店铺 IN 查询拆为 per-shop goroutine 并行 Index Scan - 两阶段延迟 Join:深度分页(page≥50)走覆盖索引 Index Only Scan 取 ID 再回表 - COUNT 缓存:per-shop 并行 COUNT + Redis 30 分钟 TTL - 索引优化:删除有害全局索引、新增 partial composite indexes(迁移 057/058) - ICCID 模糊搜索路径隔离:trigram GIN 索引走独立查询路径 - 慢查询阈值从 100ms 调整为 500ms - 新增 30M 测试数据种子脚本和 benchmark 工具
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21
scripts/perf_query/docker-compose-perf.yml
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21
scripts/perf_query/docker-compose-perf.yml
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version: '3.8'
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services:
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postgres-perf:
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image: postgres:latest
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container_name: postgres-perf-test
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restart: unless-stopped
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ports:
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- "16289:5432"
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environment:
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POSTGRES_USER: erp_pgsql
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POSTGRES_PASSWORD: erp_2025
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POSTGRES_DB: junhong_cmp_test
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TZ: Asia/Shanghai
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volumes:
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- /mnt/data1/database/pgsql/pgdata_perf:/var/lib/postgresql/data
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shm_size: '18g'
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deploy:
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resources:
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limits:
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memory: 32G
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