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From: Laurenz Albe <laurenz.albe@cybertec.at>
To: OS DB2 <opensourcedb2@gmail.com>
To: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: Corruption issue
Date: Wed, 27 Sep 2023 09:52:42 +0200
Message-ID: <181619eddd09e4a23568d748bc5d2504c0a496ad.camel@cybertec.at> (raw)
In-Reply-To: <CAM==JREm6C-qvF7bCvoH_Ru5AemXb_Y82e3kGupefVPBf1+T+w@mail.gmail.com>
References: <CAM==JRGCwoupcQsrggE7cSca0J8HtCfG3hTx+L=aHGB6dsMe-A@mail.gmail.com>
	<CAK50JryUP_gFkxPR=T=TDegZmCRFk21tzWybChX8a8pZY=viqA@mail.gmail.com>
	<1D460E80-E3B1-493D-9801-A34DD9657CA2@jakobs.com>
	<CAM==JRGBdfjyhhZpPeT9chA=C6H0vS_dCp6qi9f6GQt5uFozgg@mail.gmail.com>
	<CAM==JREm6C-qvF7bCvoH_Ru5AemXb_Y82e3kGupefVPBf1+T+w@mail.gmail.com>

On Wed, 2023-09-27 at 11:16 +0530, OS DB2 wrote:
> > > > On Fri, Sep 22, 2023, 12:48 PM OS DB2 <opensourcedb2@gmail.com> wrote:
> > > > > In one of the our production database when we are trying to fetch the
> > > > > records from one of the table, we are getting below error.
> > > > > 
> > > > > Compressed data is corrupted
> > > > > 
> > > > > Os - linux
> > > > > Postgresql version - 9.5
>
> What can be the cause of corruption?

You wrote 9.5, but you didn't disclose how old your hardware or
your operating system are.

Most often the cause is bad hardware, but it could be a bug in the file system
or the Linux kernel or one of the numerous bugs that have been fixed in
PostgreSQL since 9.5 went out of commission.

Yours,
Laurenz Albe

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