Hank, i donīt know, but i thing the PHP have a time out for the "PHP process" and a time out for the MySQL connection, cause i a lot of people that donīt like to stay 70 seconds in front of computer :) probably have some way to extend the time out
At 05:30 20/03/02 -0800, you wrote: >Hello - I'm posted this to the mysql list but got no response. While it >sounds >like a mysql problem, I'm convinced that it is a PHP problem (see bottom of >note.) > > I've recently installed mySQL on a RH7.2 box without any problems - it runs >great. I've been testing some long running queries (full table scans, etc) >under different scenarios, and get wildy differing results. Between each >test >case, I was flushing all tables and re-starting the mysql deamon. When I run >one of my longest queries in the mysql command line client, it runs in >about 77 >seconds. > >When I run the identical query via a simple PHP script running on the box, the >same query takes about 930 seconds to complete. For the life of me, I can >not >figure out why the identical query would run differently from the command >line >than from PHP. I've repeated this test about 10 times just to be sure - >and it > >is entirely repeatable: command line - about a minute - PHP - about 16 times >longer. Any ideas or suggestions? > > I'm running RH 7.2 (2.4.9-21) on a Dell Poweredge 2550, 1GB memory, > RAID, with >mysql version 3.23.41 (the standard install unchanged from the RH >media). Here >is the query...pretty simple: > > insert into summary_table > select frb, denom, series, > count(*) as cnt, > sum(bills) as bills, > sum(bills_hit) as bills_hit, > sum(total_hits) as total_hits > from detail_table > >If it a memory/cpu resource problem, how do I set RH to give PHP and >Apache the >same priority as the mysql deamon? > >I've also written a small Perl script to execute the same queries, and that >runs in 70 seconds (same as mysql client), so there must be some >memory/processor limitation placed on PHP that prevents it from running as >quickly as these other methods. Any ideas/suggestions? > >Many thanks in advance.. > > -Hank > >__________________________________________________ >Do You Yahoo!? >Yahoo! Sports - live college hoops coverage >http://sports.yahoo.com/ > >-- >PHP Database Mailing List (http://www.php.net/) >To unsubscribe, visit: http://www.php.net/unsub.php Henrique Flach Latorre Moreno Smart Tech Consulting www.smartech.com.br Av. Rio Branco 181, 1005 Centro - Rio de Janeiro - RJ Tels : (21) 2532-6335 -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
