Re: Missing LWLock protection in pgstat_reset_replslot() - Mailing list pgsql-hackers

From Bertrand Drouvot
Subject Re: Missing LWLock protection in pgstat_reset_replslot()
Date
Msg-id ZeccjwFxkyovC0io@ip-10-97-1-34.eu-west-3.compute.internal
Whole thread Raw
In response to Re: Missing LWLock protection in pgstat_reset_replslot()  (shveta malik <shveta.malik@gmail.com>)
Responses Re: Missing LWLock protection in pgstat_reset_replslot()
List pgsql-hackers
Hi,

On Tue, Mar 05, 2024 at 02:19:19PM +0530, shveta malik wrote:
> On Tue, Mar 5, 2024 at 1:25 PM Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> 
> > SearchNamedReplicationSlot() will also acquire the lock in LW_SHARED
> > mode, when you pass need_lock=true. So that at least should be changed
> > to false.
> >
> 
> Also don't we need to release the lock when we return here:
> 
> /*
> * Nothing to do for physical slots as we collect stats only for logical
> * slots.
> */
> if (SlotIsPhysical(slot))
> return;

D'oh! Thanks! Fixed in v2 shared up-thread.

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com



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