log_checkpoints+postgresql

2025-05-01 17:37:29

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【Checkpoint】Command for log's checkpoint - SQLserver, Oracl...

Oracle checkpoint 需要手动执行的情况一般发生在使用数据泵进行数据迁移时, 为了保证正在运行的数据库能保持数据的一致性在 expdp中加入参数 flashback_time=systimestamp PostgreSQL检查点
LOG: checkpoints are occurring too frequently (2 seconds apart...

HINT: Consider increasing the configuration parameter "checkpoint_segments". 默认checkpoint_segments = 3, 修改为32然后reload数据库重新测试。在postgreSQL.conf 中。使用大的checkpoint_segments可以有效的减少WAL的写入量, 原因是full_page_writes, 每次checkpoint之后第一次改变的page都要写FULL PAGE以便可以从WAL...
log_checkpoints – select * from depesz;

Tag:log_checkpoints
LOG: checkpoints are occurring too frequently (15 seconds...

The Nominatim project has a rough guide on Postgresql setting http://nominatim.org/release-docs/latest/admin/Installation/#postgresql-tuning Those are from Postgresql 9.3 times and work alright. They're heavy dependent on what hardware is used so with a docker setup there won't be single perfec...