[PERFORM] could not receive data from client: Connection timed out Error

2005-06-29 Thread Shay Kachlon
Hi There,   We having some problem with the DB which logs sometimes "could not receive data from client: Connection timed out" error.   We couldn't find when it happens, and why..   Also from the client side (we facing some transaction that comes back after something like 15 min) BDW:

Re: [PERFORM] could not receive data from client: Connection timed out Error

2005-06-29 Thread Martin Fandel
Hi What is your Postgres-Version and with which programming language are you connecting to the db? greetings, Martin Am Mittwoch, den 29.06.2005, 11:49 +0200 schrieb Shay Kachlon: > pgsql-performance@postgresql.org ---(end of broadcast)--- TIP 4

Re: [PERFORM] Postgresql7.4.5 running slow on plpgsql function

2005-06-29 Thread Michael Fuhr
[Please copy the mailing list on replies so others can contribute to and learn from the discussion.] On Wed, Jun 29, 2005 at 12:29:42PM +0800, Chun Yit(Chronos) wrote: > > Yes, the function will delete records from the temporary table every time > on each call. > if leaving a lot of dead tuples,

[PERFORM] Exclusive lock question

2005-06-29 Thread Emil Briggs
I have been trying to diagnose a performance problem we have been seeing with a postgres application. The performance of the database server is usually quite good but every now and then it slows to a crawl. The output of vmstat does not show excessive CPU usage or disk IO. The output of ps does

Re: [PERFORM] Exclusive lock question

2005-06-29 Thread Tom Lane
Emil Briggs <[EMAIL PROTECTED]> writes: > When I see the slowdowns there are hundreds of these with no entry for > relation or database. Any ideas what is being locked in this case? Per the pg_locks documentation: Every transaction holds an exclusive lock on its transaction ID for its entire dur