答复: Determine which query prevents applying WALs on standby

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Hi team,

Would please remove me from it.


Beat Regard,
Zhenyu Xu

-----邮件原件-----
发件人: Jerry Sievers <gsievers19@xxxxxxxxxxx> 
发送时间: Thursday, September 6, 2018 23:35
收件人: Andrey Zhidenkov <andrey.zhidenkov@xxxxxxxxx>
抄送: pgsql-admin@xxxxxxxxxxxxxx
主题: Re: Determine which query prevents applying WALs on standby

Andrey Zhidenkov <andrey.zhidenkov@xxxxxxxxx> writes:

> Is there a way to detect which query (or queries) on hot standby holds 
> streaming replication? Looked into the sources and found out that 
> function ResolveRecoveryConflictWithVirtualXIDs do that job but have 
> no idea how to do that with SQL.

The pg_locks view on your standby should reveal something.

>
> --
> With best regards, Andrey Zhidenkov.
>
>

--
Jerry Sievers
Postgres DBA/Development Consulting
e: postgres.consulting@xxxxxxxxxxx
p: 312.241.7800





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