Re: PG 13.6 : Data corruption error message not being sent to syslog

But the error doesn't consist of any of the above codes, so why is it being
skipped?

On Wed, 25 May 2022, 23:11 Tom Lane, <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Abhishek Bhola <abhishek(dot)bhola(at)japannext(dot)co(dot)jp> writes:
> > This morning I noticed this error in my PG CSV log file.
> > 2022-05-25 23:59:17.776 JST,,,117110,,628cf2c5.1c976,1,,2022-05-25
> 23:59:17
> > JST,9/611296,0,ERROR,XX001,"uncommitted xmin 16395356 from before xid
> > cutoff 144683296 needs to be frozen",,,,,"while scanning block 19267 of
> > relation ""relation_name""
>
> > This was a data corruption error that I resolved by truncating the table
> > and reloading it. However, I was curious why this message was not sent to
> > my syslog.
>
> Seems to me this filter explains that well enough:
>
> > ## Added by DataConsulting Team for syslog filter
> > if $programname == 'postgres' and \
> > ($msg contains 'CODE:28000' or \
> > $msg contains 'CODE:28P01' or \
> > $msg contains 'CODE:3D000' or \
> > $msg contains 'CODE:08006' or \
> > $msg contains 'CODE:42501' \
> > ) then /xxxx/xxxx/xxx/pg_log/postgres_filter.log
>
> You should realize of course that syslog is not a 100% reliable logging
> mechanism -- at least most implementations are capable of dropping
> messages under load. But we needn't guess about reasons for missed
> messages here.
>
> regards, tom lane
>

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