Re: [HACKERS] Restricting maximum keep segments by repslots

From: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Cc: thomas(dot)munro(at)enterprisedb(dot)com, sk(at)zsrv(dot)org, michael(dot)paquier(at)gmail(dot)com, andres(at)anarazel(dot)de, peter(dot)eisentraut(at)2ndquadrant(dot)com
Subject: Re: [HACKERS] Restricting maximum keep segments by repslots
Date: 2018-07-04 08:28:38
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers


At Tue, 26 Jun 2018 16:26:59 +0900 (Tokyo Standard Time), Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> wrote in <20180626(dot)162659(dot)223208514(dot)horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
> The previous patche files doesn't have version number so I let
> the attached latest version be v2.
> v2-0001-Add-WAL-releaf-vent-for-replication-slots.patch
> The body of the limiting feature
> v2-0002-Add-monitoring-aid-for-max_replication_slots.patch
> Shows the status of WAL rataining in pg_replication_slot view
> v2-0003-TAP-test-for-the-slot-limit-feature.patch
> TAP test for this feature
> v2-0004-Documentation-for-slot-limit-feature.patch
> Documentation, as the name.

Travis (test_decoding test) showed that GetOldestXLogFileSegNo
added by 0002 forgets to close temporarily opened pg_wal
directory. This is the fixed version v3.


Kyotaro Horiguchi
NTT Open Source Software Center

Attachment Content-Type Size
v3-0001-Add-WAL-releaf-vent-for-replication-slots.patch text/x-patch 7.0 KB
v3-0002-Add-monitoring-aid-for-max_replication_slots.patch text/x-patch 8.9 KB
v3-0003-TAP-test-for-the-slot-limit-feature.patch text/x-patch 5.3 KB
v3-0004-Documentation-for-slot-limit-feature.patch text/x-patch 5.3 KB

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message Kyotaro HORIGUCHI 2018-07-04 08:29:11 Re: shared-memory based stats collector
Previous Message Jamison, Kirk 2018-07-04 07:47:24 RE: Recovery performance of DROP DATABASE with many tablespaces