答复: Determine which query prevents applying WALs on standby

Hi team,

Would please remove me from it.

Beat Regard,
Zhenyu Xu

-----邮件原件-----
发件人: Jerry Sievers <gsievers19(at)comcast(dot)net>
发送时间: Thursday, September 6, 2018 23:35
收件人: Andrey Zhidenkov <andrey(dot)zhidenkov(at)gmail(dot)com>
抄送: pgsql-admin(at)postgresql(dot)org
主题: Re: Determine which query prevents applying WALs on standby

Andrey Zhidenkov <andrey(dot)zhidenkov(at)gmail(dot)com> 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
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