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 Need help optimizing slow SQL queries (?)

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jmarfurt
Starting Member

2 Posts

Posted - 2007-08-06 : 10:22:40
Hi, I have absolutely no knowledge of PHP or SQL .... I moderate a PHPBB forum at www.savingshelterpets.com
Our web host (SiteGround) has taken our site down temporarily because we are overloading the server. I have no idea how to fix the problem, so hopefully someone here can help me out! Smiley

PHP version 4.4.4
MySQL version 5.0.27-standard-log

Here's the info sent to me by SiteGround (I don't understand a word of it!):

quote:
Upon further investigation, it turned out that the following queries in your account are slow and heavily consume server resources:

# User@Host: savingsh_phpb1[savingsh_phpb1] @ localhost []
# Query_time: 4 Lock_time: 0 Rows_sent: 1 Rows_examined: 1284
use savingsh_phpbb2;
SELECT user_id, username, user_password, user_active, user_level, user_login_tries, user_last_login_try
FROM phpbb_users
--
delete from rs_stat_ip where platnost_do<'2007-08-03 16:49:43';
# User@Host: savingsh_phpb1[savingsh_phpb1] @ localhost []
# Query_time: 5 Lock_time: 3 Rows_sent: 1 Rows_examined: 0
use savingsh_phpbb2;
SELECT * FROM phpbb_optimize_db;
# User@Host: binaryte_lhlp1[binaryte_lhlp1] @ localhost []
--
# Time: 070803 16:50:27
# User@Host: savingsh_phpb1[savingsh_phpb1] @ localhost []
# Query_time: 4 Lock_time: 2 Rows_sent: 1 Rows_examined: 0
use savingsh_phpbb2;
SELECT t.topic_id, t.topic_title, t.topic_status, t.topic_replies, t.topic_time, t.topic_type, t.topic_vote, t.topic_last_post_id, f.forum_name, f.forum_status, f.forum_id, f.auth_view, f.auth_read, f.auth_post, f.auth_reply, f.auth_edit, f.auth_delete, f.auth_sticky, f.auth_announce, f.auth_pollcreate, f.auth_vote, f.auth_attachments
FROM phpbb_topics t, phpbb_forums f

In order to have the limitations removed, please optimize your script.

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2007-08-06 : 10:29:43
This Forum is specifically for Microsoft SQL Server
Post your question at www.mysql.com

Madhivanan

Failing to plan is Planning to fail
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spirit1
Cybernetic Yak Master

11752 Posts

Posted - 2007-08-06 : 10:31:12
this is a Microsoft SQL server site. we don't deal with MySql.
that is why i doubt you will get the proper help you need here.
you should probably look over at dbforums. they have a MySql forum.

i can tell you though that your queries are slow because you have no where's in your first or last select.
that means you're selecting all data unnecessarily.

_______________________________________________
Causing trouble since 1980
blog: http://weblogs.sqlteam.com/mladenp
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jmarfurt
Starting Member

2 Posts

Posted - 2007-08-06 : 10:39:47
LOL Told you I didn't know what I'm doing! I'm so embarrassed.

Thank you for pointing me in the right direction....I'm off to try the MySQL forums! ;)
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