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Re: unexpected EOF on client connection / could not send data to client: Broken pipe

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Hariraman Jayaraj" <hariraman(dot)ocp(at)gmail(dot)com>, <pgsql-admin(at)postgresql(dot)org>
Subject: Re: unexpected EOF on client connection / could not send data to client: Broken pipe
Date: 2012-05-02 17:26:39
Message-ID: 4FA127FF0200002500047700@gw.wicourts.gov (view raw or flat)
Thread:
Lists: pgsql-admin
Hariraman Jayaraj <hariraman(dot)ocp(at)gmail(dot)com> wrote:
 
> We are using postgres 8.3 in Open Suse 11 server.
> Front end - Java, struts
> Middle ware - Jboss
> Backend - Postgres 8.3 DB.
 
It helps to know the exact version number and PostgreSQL
configuration settings.
 
http://wiki.postgresql.org/wiki/Server_Configuration
 
> Recently I am encoutering below mentioned error. Also by the time
> this error occuring, Linux server / Postgres Server is too slow
> and at times it is not responding at all.
 
Can you run `vmstat 1` while things are slow?  It sounds like you
might be getting into heavy swapping due to memory over-commit.  Can
you show us the result of running `free -m`?
 
> 2012-05-02 12:14:09 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:09 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:09 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:10 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:11 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:11 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:12 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:12 IST LOG:  unexpected EOF on client connection
> 2012-05-02 12:14:13 IST LOG:  could not send data to client:
> Broken pipe
 
Those messages mean that the TCP connection from the client was
broken by something other than the PostgreSQL server.
 
-Kevin

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