| From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
|---|---|
| To: | Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> |
| Cc: | Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, shveta malik <shveta(dot)malik(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Introduce XID age and inactive timeout based replication slot invalidation |
| Date: | 2024-04-04 04:11:31 |
| Message-ID: | CAD21AoATS=8+izerKERjoNCrakk+cw=YvtvUsgiVcNE1GENLog@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Apr 3, 2024 at 11:58 PM Bharath Rupireddy
<bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
>
>
> Please find the attached v33 patches.
@@ -1368,6 +1416,7 @@ ShutDownSlotSync(void)
if (SlotSyncCtx->pid == InvalidPid)
{
SpinLockRelease(&SlotSyncCtx->mutex);
+ update_synced_slots_inactive_since();
return;
}
SpinLockRelease(&SlotSyncCtx->mutex);
@@ -1400,6 +1449,8 @@ ShutDownSlotSync(void)
}
SpinLockRelease(&SlotSyncCtx->mutex);
+
+ update_synced_slots_inactive_since();
}
Why do we want to update all synced slots' inactive_since values at
shutdown in spite of updating the value every time when releasing the
slot? It seems to contradict the fact that inactive_since is updated
when releasing or restoring the slot.
Regards,
--
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com
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