[pgpool-general: 3418] Re: FATAL: unable to read data from frontend + Pgpool 3.4.0

Raghav ragavendra.dba at gmail.com
Tue Jan 13 18:03:20 JST 2015


On Tue, Jan 13, 2015 at 12:05 PM, Tatsuo Ishii <ishii at postgresql.org> wrote:

> These are harmless and are down graded to DEBUG message in the 3.4
> stable tree head.
>
>
> http://git.postgresql.org/gitweb/?p=pgpool2.git;a=commit;h=62acd6daebc4a35254f9f1896ac07fa5a33d8c02
>
> We are going to release 3.4.1 in this or next month. If you are hurry,
> please grab 3.4 stable source or use the latest RPM in our yum
> repository.
>
> http://www.pgpool.net/yum/rpms/3.4/redhat/rhel-6-x86_64/
>
>
Thank you.

--Raghav




> Best regards,
> --
> Tatsuo Ishii
> SRA OSS, Inc. Japan
> English: http://www.sraoss.co.jp/index_en.php
> Japanese:http://www.sraoss.co.jp
>
> > Hi Team,
> >
> > After setting the load-balancing with pgpool 3.4.0 with PostgreSQL 9.3.5
> on
> > RHEL 6.5 machine. I see lot of messages " FATAL:  unable to read data
> from
> > frontend". However, there's nothing problem with load-balancing its
> working
> > fine without any issues. But lot of these messages.
> >
> > Logs:
> >
> > 2015-01-11 14:35:00: pid 7308: DETAIL:  EOF encountered with frontend
> > 2015-01-11 14:35:05: pid 15274: FATAL:  unable to read data from frontend
> > 2015-01-11 14:35:05: pid 15274: DETAIL:  EOF encountered with frontend
> > 2015-01-11 14:35:10: pid 20906: FATAL:  unable to read data from frontend
> > 2015-01-11 14:35:10: pid 20906: DETAIL:  EOF encountered with frontend
> > 2015-01-11 14:35:12: pid 14364: LOG:  DB node id: 1 backend pid: 18325
> > statement: select 1;
> > 2015-01-11 14:35:12: pid 14364: LOG:  Frontend terminated
> > 2015-01-11 14:35:12: pid 14364: DETAIL:  received message kind 'X' from
> > frontend
> > 2015-01-11 14:35:12: pid 14364: LOG:  DB node id: 0 backend pid: 25540
> > statement:  DISCARD ALL
> > 2015-01-11 14:35:12: pid 14364: LOG:  DB node id: 1 backend pid: 18325
> > statement:  DISCARD ALL
> > 2015-01-11 14:35:15: pid 14364: FATAL:  unable to read data from frontend
> > 2015-01-11 14:35:15: pid 14364: DETAIL:  EOF encountered with frontend
> > 2015-01-11 14:35:20: pid 21002: FATAL:  unable to read data from frontend
> > 2015-01-11 14:35:20: pid 21002: DETAIL:  EOF encountered with frontend
> >
> >
> > Any help ? Please let me know if any other details required to fix it.
> >
> > Thank you in advance
> >
> > --
> >
> > Regards
> > Raghav
> > Blog: htt://raghavt.blogspot.com/
>
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