On Mon, Jan 31, 2011 at 07:28:36PM +0100, Michael Justin wrote: > While I am still new to PostgreSQL and have real world experience with > DB2 InterBase and Firebird only I am interested to write a similar tool > for PostgreSQL. > > Maybe there are articles or discussions which help to get an > introduction to the practical usage of PostgreSQL Statistics Views, like > typical queries used to identify potential problems? Just to give an > example: on InterBase and Firebird, long running transactions can cause > performance problems, and a typical system monitoring task is to find > the clients or processes with the oldest transactions (older than x > minutes).
There are several such tools already. That's not to say that writing another is a bad idea, just that there are lots you could look at for inspiration. One of the most widely-used is check_postgres, found here: http://bucardo.org/wiki/Check_postgres -- Joshua Tolley / eggyknap End Point Corporation http://www.endpoint.com
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