From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
---|---|
To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
Cc: | vignesh C <vignesh21(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
Subject: | Re: Replication slot stats misgivings |
Date: | 2021-04-28 04:07:11 |
Message-ID: | CAD21AoAExhSNF1xYbAZJ6+zP08593o8qCWtf6fBwqbssz8iZ7w@mail.gmail.com |
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On Wed, Apr 28, 2021 at 12:29 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> On Tue, Apr 27, 2021 at 11:02 AM vignesh C <vignesh21(at)gmail(dot)com> wrote:
> >
> > On Tue, Apr 27, 2021 at 9:48 AM vignesh C <vignesh21(at)gmail(dot)com> wrote:
> > >
> >
> > Attached patch has the changes to update statistics during
> > spill/stream which prevents the statistics from being lost during
> > interrupt.
> >
>
> void
> -UpdateDecodingStats(LogicalDecodingContext *ctx)
> +UpdateDecodingStats(ReorderBuffer *rb)
>
> I don't think you need to change this interface because
> reorderbuffer->private_data points to LogicalDecodingContext. See
> StartupDecodingContext.
+1
With this approach, we could still miss the totalTxns and totalBytes
updates if the decoding a large but less than
logical_decoding_work_mem is interrupted, right?
Regards,
--
Masahiko Sawada
EDB: https://www.enterprisedb.com/
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