| From: | Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> |
|---|---|
| To: | michael(at)paquier(dot)xyz |
| Cc: | paul(dot)foerster(at)gmail(dot)com, ishii(at)sraoss(dot)co(dot)jp, pgsql-general(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Does pg_ctl promote wait for pending WAL? |
| Date: | 2021-01-29 07:47:41 |
| Message-ID: | 20210129.164741.498831602021252557.t-ishii@sraoss.co.jp |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
Hi Michael,
> To answer to your question based on the code, you can check for the
> code paths calling CheckForStandbyTrigger() in xlog.c when it comes to
> promotion detection in the WAL replay. In short,
> WaitForWALToBecomeAvailable() tells that after the promotion is
> detected in the startup process, then recovery would still try to
> replay as much WAL as possible from the archives or pg_wal before a
> failover.
Great. That should make my life a lot easier. I will look into the
code to confirm it.
Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp
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