类型: | integer |
默认: | 10 |
最低限度: | 0 |
最大: | 262143 |
上下文: | postmaster |
重新开始: | true |
以来: | 9.4 |
指定服务器可以支持的复制槽(见streaming-replication-slots) 最大数量。默认值为10。这个参数只能在服务器启动时设置。将它设置为一个比当前已有复制槽要少的值会阻碍服务器启动。此外,要允许使用复制槽, wal_level必须被设置为replica
或 更高。
建议 [EN]
Set to twice as many replicas as you ever expect to have.
在 StackOverflow
在 pgsql-hackers
- suboverflowed subtransactions concurrency performance optimize
- Re: Design of pg_stat_subscription_workers vs pgstats
- Re: logical decoding/replication: new functions pg_ls_logicaldir and pg_ls_replslotdir
- Re: Synchronizing slots from primary to standby
- Re: How is this possible "publication does not exist"