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Special Forums UNIX and Linux Applications MySQL optimization or why the server is worsened Post 302808877 by radoulov on Friday 17th of May 2013 04:28:40 PM
Old 05-17-2013
Sorry, I don't have quick solutions for what I see in your files.
There are many select statements in state: locked ... Your biggest problem seems to be the storage engine - you're using MyISAM.
You should consider switching to InnoDB, but you should test the migration thoroughly. And you should upgrade to a newer version, 5.1 is may too old.

I suppose your best bet now is to activate the slow log (if I recall correctly, it's dynamic in 5.1) and try to tune your queries, to minimize the locking issue.

By the way, why you're using 2G for the InnoDB buffer pool and only 128M for your MyISAM key buffer? Do you have InnoDB tables
(not mentioned in the uploaded files)?
 

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Session::Store::MySQL(3)				User Contributed Perl Documentation				  Session::Store::MySQL(3)

NAME
Apache::Session::Store::MySQL - Store persistent data in a MySQL database SYNOPSIS
use Apache::Session::Store::MySQL; my $store = new Apache::Session::Store::MySQL; $store->insert($ref); $store->update($ref); $store->materialize($ref); $store->remove($ref); DESCRIPTION
Apache::Session::Store::MySQL fulfills the storage interface of Apache::Session. Session data is stored in a MySQL database. SCHEMA
To use this module, you will need at least these columns in a table called 'sessions', or another table name if you provide the TableName argument: id char(32) # or however long your session IDs are. a_session text To create this schema, you can execute this command using the mysql program: CREATE TABLE sessions ( id char(32) not null primary key, a_session text ); If you use some other command, ensure that there is a unique index on the table's id column. CONFIGURATION
The module must know what datasource, username, and password to use when connecting to the database. These values can be set using the options hash (see Apache::Session documentation). The options are: DataSource UserName Password TableName Handle Example: tie %hash, 'Apache::Session::MySQL', $id, { DataSource => 'dbi:mysql:database', UserName => 'database_user', Password => 'K00l', TableName => 'sessions' }; Instead, you may pass in an already-opened DBI handle to your database. tie %hash, 'Apache::Session::MySQL', $id, { Handle => $dbh }; AUTHOR
This modules was written by Jeffrey William Baker <jwbaker@acm.org> SEE ALSO
Apache::Session perl v5.12.1 2007-09-28 Session::Store::MySQL(3)
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