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Slow Mysql Querys #284363
03/21/2005 4:48 AM
03/21/2005 4:48 AM
Joined: Feb 2002
Posts: 11
K
kit400 Offline OP
Newbie
kit400  Offline OP
Newbie
K
Joined: Feb 2002
Posts: 11
I've examined my mysql-slow.log ad foud many Querys like:
Code
  <br /># Query_time: 243  Lock_time: 208  Rows_sent: 1  Rows_examined: 767                                 <br />SELECT COUNT(*) AS posts, SUM(B_Topic) AS topics.                                                   <br />                                        FROM   w3t_Posts.                                           <br />                                        WHERE  B_Posted &gt; ''.                                       <br />                                        AND B_Approved = 'yes'.                                     <br />                                        AND    B_Board = 'forum';     <br /><br /># Query_time: 240  Lock_time: 205  Rows_sent: 1  Rows_examined: 767                                 <br />SELECT COUNT(*) AS posts, SUM(B_Topic) AS topics.                                                   <br />                                        FROM   w3t_Posts.                                           <br />                                        WHERE  B_Posted &gt; ''.                                       <br />                                        AND B_Approved = 'yes'.                                     <br />                                        AND    B_Board = 'forum';    <br />


So is it bug of ubbthreads or misconfiguration of MySQL ?
How can i solve this problem ?

10nx

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Re: Slow Mysql Querys [Re: tiendoan] #284364
03/23/2005 11:01 PM
03/23/2005 11:01 PM
Joined: Nov 2001
Posts: 11,330
Charlotte, NC
JoshPet Offline
I type Like navaho
JoshPet  Offline
I type Like navaho
Joined: Nov 2001
Posts: 11,330
Charlotte, NC
That's full new post tracking, which is a major slowdown if you have a large post table.

On version 6.4 (maybe 6.3) and higher, there's a control panel to turn off the full new post tracking.

This line:
WHERE B_Posted > ''.

Should have a timestamp, unless there's none for anonymouse users. Not sure if that'a bug or not... you didn't saw what version. But I think some bugs about full post tracking being on for anonymous users have been posted at www.ubbcentral.com


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