Re: [HACKERS] Restricting maximum keep segments by repslots - Mailing list pgsql-hackers

From Kyotaro Horiguchi
Subject Re: [HACKERS] Restricting maximum keep segments by repslots
Date
Msg-id 20200408.170222.994602368402118750.horikyota.ntt@gmail.com
Whole thread Raw
In response to Re: [HACKERS] Restricting maximum keep segments by repslots  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
Responses Re: [HACKERS] Restricting maximum keep segments by repslots  (Kyotaro Horiguchi <horikyota.ntt@gmail.com>)
List pgsql-hackers
At Wed, 08 Apr 2020 16:46:05 +0900 (JST), Kyotaro Horiguchi <horikyota.ntt@gmail.com> wrote in 
> At Wed, 08 Apr 2020 14:19:56 +0900 (JST), Kyotaro Horiguchi <horikyota.ntt@gmail.com> wrote in 
> The latch triggered by checkpoint request by CHECKPOINT command has
> been absorbed by ConditionVariableSleep() in
> InvalidateObsoleteReplicationSlots.  The attached allows checkpointer
> use MyLatch for other than checkpoint request while a checkpoint is
> running.

Checkpoint requests happens during waiting for the CV causes spurious
wake up but that doesn't harm.

regards.

-- 
Kyotaro Horiguchi
NTT Open Source Software Center



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