One thing I might suggest is to queue up your inserts, then use the extended insert syntax to populate several records at once in a single INSERT instead of 12 separate ones. I believe you can alter the /etc/my.cnf file to play more 'nice' as far as priorities and memory, but I've never touched it > -----Original Message----- > From: Ryan Marks [mailto:tech@xxxxxxxxxxxxxxxxxx] > Sent: Thursday, December 11, 2003 6:45 PM > To: PHP-DB > Subject: Cronjob > > Hello all, > > I have a cronjob that runs a PHP script against MySQL. The > script takes 5 > minutes to process 4000 records (approximately 12 records per > second). Here > are the top two entries from top: > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME > CPU COMMAND > 8671 mysql 25 0 20172 19M 2000 R 97.8 3.9 2:02 > 0 mysqld > 8670 appmgr 15 0 2088 2088 1424 S 2.2 0.4 0:03 0 php > > Is there a way that I can slow down the script so mysqld does > not bog the > machine down. > > Here is a snippet of code. The function is called by the cronjob. > <snip> > function rank_mailbox_current($company_ID){ > $query = "select app_ID from mailbox where company_ID = > \"$company_ID\" > and deleted_date = 0 order by mailbox.ID desc"; > $result=query_database($query); > > while ($row = mysql_fetch_assoc($result)){ > $app_ID = $row["app_ID"]; > $rank_of_app=rank_app($app_ID,$company_ID); > } > } > </snip> > > Server: P-IV 2.4GHz, 512 DDRAM, RedHat 9 > PHP Version 4.3.1 > MySQL 4.0.3 > > Thanks, > Ryan > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
