From: Joe Conway <mail@joeconway.com>
To: Burgholzer, Robert (DEQ) <Robert.Burgholzer@deq.virginia.gov>
Cc: pgsql-admin@postgresql.org
Subject: Re: diagnosing a db crash - server exit code 2
Date: Fri, 23 Sep 2011 13:31:12 -0700
Message-ID: <4E7CEC90.90306@joeconway.com> (raw)
In-Reply-To: <B6C40D17104BEF47B1CB85623CDFAC6357BE27@COVMSGCES-EMB13.cov.virginia.gov>
References: <B6C40D17104BEF47B1CB85623CDFAC6357BE26@COVMSGCES-EMB13.cov.virginia.gov>
<4E7CDCA6.6060803@joeconway.com>
<B6C40D17104BEF47B1CB85623CDFAC6357BE27@COVMSGCES-EMB13.cov.virginia.gov>
On 09/23/2011 12:38 PM, Burgholzer, Robert (DEQ) wrote:
> Thanks - I will try to check into this - however, we have done some
> tuning on the memory over the last 2 years and gotten it such that it is
> seldom if every having to dip into its swap too substantially --
> according to "top", we remain under 1% swap usage during most times.
> Generally speaking, I run 3-5 of these large PHP processes
> simultaneously with no issue, however, when I issue even a "median"
> function call, after several calls (no consistent pattern that I can
> discern), the backend crashes.
Is this always related to use of PL/R or is it sometimes happening
independently?
If you believe it is PL/R specific, please give us R version and PL/R
version. Also, any chance we can get a debugger on a core file? Can you
reproduce this on a development machine?
Thanks,
Joe
--
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
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To: pgsql-admin@postgresql.org
Cc: mail@joeconway.com, Robert.Burgholzer@deq.virginia.gov
Subject: Re: diagnosing a db crash - server exit code 2
In-Reply-To: <4E7CEC90.90306@joeconway.com>
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