PGSQL PERFORMANCE 46 RE POSTGRES ON LINUX CLUSTER
From: dev@no-spam (Richard Huxton)
Subject: Re: Postgres on Linux Cluster!
Date: Tue, 21 Dec 2004 11:21:07 +0000


Gurpreet Sachdeva wrote:
> I have recently transfered a big database on my master node of a 4
> node openSSI Cluster... The system is working fine but sometimes, I > get following errors:
> > http://192.168.1.100/cgi-bin/search.py File > "/usr/lib/python2.2/site-packages/pyPgSQL/PgSQL.py", line 3067, in > execute, referer: http://192.168.1.100/cgi-bin/search.py > self.conn.conn.query('ROLLBACK WORK'), referer:
> http://192.168.1.100/cgi-bin/search.py libpq.ProgrammingError: no > connection to the server, referer:
> http://192.168.1.100/cgi-bin/search.py , referer:
> http://192.168.1.100/cgi-bin/search.py
At a wild guess, this happens when a CGI process is migrated to another node without migrating the accompanying connection (however you'd do that).

> This error comes while insertion of data takes place... Is Postgres > successfull on Cluster??? Will that give me performance enhancement > in any way??? Please help...

Probably not, and almost certainly not.

--
Richard Huxton Archonet Ltd
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