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WAL 诊断的“AI 数据底座”:腾讯云 PostgreSQL tencentdb_wal_stat 插件发布
在数据库运维实践中,WAL(Write-Ahead Log,预写日志)是 PostgreSQL 数据安全与高可用的基石。然而,WAL 的生成量直接影响磁盘 I/O、主备复制延迟、归档与备份效率,以及存储成本。当数据库出现 WAL 暴增、复制延迟飙升或磁盘空间告急等问题时,运维人员往往面临 ...
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