Re: What happens if checkpoint haven't completed until the next checkpoint interval or max_wal_size?

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
Cc: Mohammad Sherafat <mhdsherafat(at)chmail(dot)ir>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: What happens if checkpoint haven't completed until the next checkpoint interval or max_wal_size?
Date: 2019-02-05 10:41:55
Message-ID: CA+TgmoaiidxQEcpa1jmjGaJ-woAngqSK3P_Km5KwPatWfRSubw@mail.gmail.com
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On Mon, Feb 4, 2019 at 2:50 PM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
wrote:

> Mohammad Sherafat wrote:
> > In the name of god!
>
> It is not considered good style to hurt people's religious feelings
> by using the name of god in vain.

I agree but...

> What happens if checkpoint haven't completed until the next checkpoint
> > interval or max_wal_size?
>
> Then you have two checkpoints active at the same time.

...not about this part. I think the next checkpoint just doesn't start
until the one already in progress completes.

...Robert

>
> --
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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