Re: Race condition in InvalidateObsoleteReplicationSlots()

Alvaro Herrera <alvherre@alvh.no-ip.org>

From: Álvaro Herrera <alvherre@alvh.no-ip.org>

To: Andres Freund <andres@anarazel.de>

Cc: pgsql-hackers@postgresql.org, Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>, Fujii Masao <fujii@postgresql.org>

Date: 2021-06-11T19:52:21Z

Lists: pgsql-hackers

On 2021-Apr-07, Andres Freund wrote:

> After this I don't see a reason to have SAB_Inquire - as far as I can
> tell it's practically impossible to use without race conditions? Except
> for raising an error - which is "builtin"...

Pushed 0002.

Thanks!

-- 
Álvaro Herrera                            39°49'30"S 73°17'W
"La persona que no quería pecar / estaba obligada a sentarse
 en duras y empinadas sillas    / desprovistas, por cierto
 de blandos atenuantes"                          (Patricio Vogel)

Commits

Add test case for obsoleting slot with active walsender, take 2
- 24043c27b46f 14.0 landed
Add test case for obsoleting slot with active walsender
- 09126984a263 14.0 landed
Return ReplicationSlotAcquire API to its original form
- 1632ea43682f 14.0 landed
Fix race condition in invalidating obsolete replication slots
- 96540f80f833 14.0 landed
- 218b101008b5 13.4 landed
Fix issues in invalidation of obsolete replication slots.
- f9e9704f09da 14.0 cited
Allow users to limit storage reserved by replication slots
- c6550776394e 13.0 cited