PostgreSQL中pg_wal目录中WAL段积累的五个原因
原文英文,约900词,阅读约需4分钟。发表于: 。One of the most frequent concerns we see in the Percona support team is: Why is my pg_wal growing? / pg_wal is filling up the filesystem / pg_wal does not release the space, and so on.In...
本文讨论了PostgreSQL中pg_wal目录增长的原因和解决方法,包括高事务率、低效的检查点、复制延迟和WAL归档失败。强调了正确配置参数和实施有效的保留策略的重要性,以维护数据库的稳定性和性能。警告不要手动删除pg_wal中的WAL段,以免导致数据库崩溃和备份不完整。