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Full Discussion: postgresql issues - system running really slow
Operating Systems Linux Red Hat postgresql issues - system running really slow Post 302275831 by clive306 on Monday 12th of January 2009 09:40:27 AM
Old 01-12-2009
postgresql issues - system running really slow
Hi All,

I'm new here.

i was wondering if anyone could shed a light on the problem i am having.
I use a system for distributing broadband amongst users of for example a hotel, the system was designed by someone in the US and it is based on redhat 2.4 (i know its old) and the system uses Postgresl NOT mysql.

the problem i am having is that i cannot contact the company for linux support no more and the system itself is failing fast. the problem is speed. its really slow at performing database request, in some cases so slow that it just doesn't work at all.

I have a script on the system calles auto_vacumm for postgresql and it is setup in crontab to run daily, but this seems to make no difference to the performance of the server.

could anyone point me in the right direction to solving the problem, i have checked 'top' and the CPU is running @ 90%+ idle.

any information would be very much appreciated.

thanks in advance
Clive.
 

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LEARN ABOUT DEBIAN

pg_buildext

PG_BUILDEXT(1)						 Debian PostgreSQL infrastructure					    PG_BUILDEXT(1)

NAME

       pg_buildext - Build and install a PostgreSQL extension

SYNOPSIS

       pg_buildext action srcdir target opts

DESCRIPTION

       pg_buildext is a script that will build a PostgreSQL extension in a VPATH way. It supports the configure, build, install, and clean
       actions, and will choose to build for the intersection of versions known in debian/pgversions (versions supported by the package) and in
       /usr/share/postgresql-common/supported-versions (versions supported in this release).

OPTIONS

       action
	   One of configure, build, install, or clean.

       srcdir
	   Where to find the extension sources, including the debian subdirectory.  (Usually $(CURDIR).) If not specified, defaults to the current
	   directory.

       target
	   The target directory where to build the sources, it will get created for you if it does not exist. If the target contains a %v sign, it
	   will get replaced by the specific version of PostgreSQL being built against.  (Usually build-%v.)

       opts
	   %v signs in opts will get replaced as in target.

	   configure
	       Options to pass to the configure script. (Most PostgreSQL extensions do not have a configure script.)

	   build
	       Custom CFLAGS options to use for the build.

	   install
	       Package name to install for. Make will be called with DESTDIR="srcdir/debian/package".

	   clean
	       clean does not take extra options.

USAGE

       As pg_buildext invokes make for the build, install, and clean actions, invocations from debian/rules (which is a makefile) should be
       prefixed with + so the sub-makes can talk with the make jobserver.

EXAMPLE

	 build-stamp:
		 +pg_buildext configure $(CURDIR) build-%v "--libdir=/usr/lib/postgresql/%v/lib --datadir=/usr/share/postgresql-%v-plsh"
		 +pg_buildext build $(CURDIR) build-%v

	 install: build
		 +pg_buildext install $(CURDIR) build-%v postgresql-%v-plsh

	 clean:
		 +pg_buildext clean $(CURDIR) build-%v

AUTHOR

       Dimitri Fontaine <dim@tapoueh.org>, with extensions by Christoph Berg <myon@debian.org>.

Debian								    2012-10-08							    PG_BUILDEXT(1)
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