Re: 3867653, EMM1 cluster issue on 23rd May--core generated --design feedback

From: Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>
To: M Tarkeshwar Rao <m(dot)tarkeshwar(dot)rao(at)ericsson(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>, Piyush Anand <piyush(dot)anand(at)ericsson(dot)com>, Mohammad Rizwan Ahmad <mohammad(dot)rizwan(dot)ahmad(at)ericsson(dot)com>
Subject: Re: 3867653, EMM1 cluster issue on 23rd May--core generated --design feedback
Date: 2021-08-12 09:25:52
Message-ID: CANbhV-FCvd0OTyyoDQ03BFkD97t2nu9qnjYojKQtrno-f5-nGQ@mail.gmail.com
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On Mon, 12 Jul 2021 at 16:07, M Tarkeshwar Rao
<m(dot)tarkeshwar(dot)rao(at)ericsson(dot)com> wrote:
>
> Hi All,
>
> We are getting following core with following use case:
>
> Case: We made max_connections as 15 and 10 different processes opening 15 connections with server. It is running fine. But after few hours it giving following
> core. When we increase the max_connections then core come again but it take more hours to come.
>
> Program terminated with signal 11, Segmentation fault.

Sounds like a memory leak. In libpq programs this is often caused by
forgetting to run PQclear().

--
Simon Riggs http://www.EnterpriseDB.com/

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