Re: Memory leak of SMgrRelation object on standby

> 2025年8月26日 11:59，Jingtang Zhang <mrdrivingduck@gmail.com> 写道：
> 
> Hi~
> 
>> I purpose a patch which calls smgrdestroyall() when redo each
>> XLOG_CHECKPOINT_ONLINE, so that it can keep the same frequency of calling
>> smgrdestroyall() as background processes on primary. I don't call it for
>> XLOG_CHECKPOINT_SHUTDOWN because the process is about to exit so that the
>> memory will go soon, and don't call it for XLOG_CHECKPOINT_REDO because it
>> seems to be a place holder only.
> 
> 
> Oops. When redo XLOG_CHECKPOINT_SHUTDOWN, smgrdestroyall should also be
> called, since the startup may not exit on standby.
> 
> The patch is updated.
> 
> —
> Regards, Jingtang
> 
> <v4-0001-Fix-SMgrRelation-object-memory-leak-during-startup-r.patch>

LGTM.

Best regards,
Yuhang Qiu