问答 2022-04-15 来自:开发者社区

Postgresql stream replication slow

Postgresql stream replication slow目前有两台postgres db, 使用stream replication 做主从同步,在比较重的写操作时发生了比较重的延迟.通过对 pg_xlog_location_diff(pg_current_xlog_location(), sent_location) AS not_sent, pg_xlog_location_d.....

问答 2022-04-15 来自:开发者社区

Postgresql stream replication slow

目前有两台postgres db, 使用stream replication 做主从同步,在比较重的写操作时发生了比较重的延迟.通过对 pg_xlog_location_diff(pg_current_xlog_location(), sent_location) AS not_sent, pg_xlog_location_diff(sent_location, write_location).....

文章 2022-02-17 来自:开发者社区

PostgreSQL Indexes don't mean slow inserts - 索引改进PPT(写优化, lsm, Fractal, index buffer, COLA)

标签 PostgreSQL , LSM , index buffer , COLA , Cache-oblivious lookahead arrays , Fractal Tree , Covering and Unique 背景 https://wiki.postgresql.org/images/8/8b/WO-Indexes_1.0.pdf <Indexes don't mea...

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