[mysqld] skip-innodb

Thats it. One line. Its rubbish.

Here's mine to help you along the way. Its got some decent logging set, some decent cache and memory options for a shared server set and some helpful security settings enabled.

[mysqld]
max_connections = 200
bind-address = 127.0.0.1
 
safe-show-database
skip-locking
skip-innodb
 
# MySQL 4.x has query caching available.
# Enable it for vast improvement and it may be all you need to tweak.
query_cache_type=1
query_cache_limit=1M
query_cache_size=32M
 
interactive_timeout=100
 
# Reduced wait_timeout to prevent idle clients holding connections.
wait_timeout=15
connect_timeout=10
 
# Checked opened tables and adjusted accordingly after running for a while.
table_cache=512
 
# Reduced it to 32 to prevent memory hogging.
thread_cache=32
 
# Reduced it by checking current size of *.MYI files.
key_buffer=128M
 
thread_concurrency=1
 
log_error                = /var/log/mysql/error.log
 
# log slow queries is a must.
log_slow_queries=/var/log/mysqld.slow.log
long_query_time=2
 
[mysqldump]
quick
max_allowed_packet=16M
 
[mysql]
no-auto-rehash
 
[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
 
[myisamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
 
[mysqlhotcopy]
interactive-timeout

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UPDATE `wp_users` SET `user_pass` = MD5('NEW PASSWORD') WHERE `wp_users`.`user_login` = "THE USER" LIMIT 1

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Simply connect the mysql shell

mysq

mysql -u

Then,

GRANT ALL ON *.* TO 'root'@'%' IDENTIFIED BY '[A PASSWORD]'

Exit and you're done.

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Unfortunately it won't run on CentOS. I got the error, 'Error in option spec: "long|!"'

Fortunately, its a simple fix. Edit the perl script,

nano /usr/bin/mytop

Find the line

"long|!" => \$config{long_nums},

and comment it out.

Simples.

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Watch the Screencast on Query Profiler.

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Convert them to normal IPs with the following code

SELECT CONCAT( CONV( substring( poster_ip, 1, 2 ) , 16, 10 ) , '.', CONV( substring( poster_ip, 3, 2 ) , 16, 10 ) , '.', CONV( substring( poster_ip, 5, 2 ) , 16, 10 ) , '.', CONV( substring( poster_ip, 7, 2 ) , 16, 10 ) ) AS IP
FROM phpbb_posts
WHERE `poster_id` = USERID
LIMIT 0 , 30 

This code will convert all know IPs from a selected user (In my case 51).

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It's nice to see my original article still ranks high on Google.

First step, include the pagination class file.

require_once '../_common_includes/class.GenericEasyPagination.php';

Step two, define a couple of variables. The first block of code relates to the actual navigation, the second relates to the number of records to be shown per page.

if ($_GET["page"]!="") {
$page = $_GET["page"];
}
else {
$page = 1;
}
define('CURRENT_PAGE',$page);
define('RECORDS_BY_PAGE',50);

Step three, change your $conn->Execute() call to PageExecute(), like so

$rs = $conn->PageExecute($SQL,RECORDS_BY_PAGE,CURRENT_PAGE);

Finally, step four, the navigation links & images

$recordsFound = $rs->_maxRecordCount;
echo '<div class="table_footer">';
$GenericEasyPagination =& new GenericEasyPagination($page,RECORDS_BY_PAGE,"eng");
$GenericEasyPagination->setTotalRecords($recordsFound);
echo "Records: ".$GenericEasyPagination->getListCurrentRecords();
echo " of ".$recordsFound;
echo "<br />";
echo '</div>';
echo $GenericEasyPagination->getNavigation();

You should get something like this at the bottom

Easy.

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The Term Extraction Web Service provides a list of significant words or phrases extracted from a larger content.

So give it a paragraph of text, for example an article, a blog entry, or in my case a converted document (MS Word or PDF) and it will give you the most common and significant words or phrases.

It can help in "tagging" or other meta data (2) reliant applications. You can never trust users to submit decent tags.

Go on, give it a try. You'll need an Application Key mind.

Create a simple HTML form and give it a go.

<form id="form1" name="form1" method="post" action="http://search.yahooapis.com/ContentAnalysisService/V1/termExtraction" /><input name="appid" type="text" id="appid" value="YOUR-APPLICATION-ID" size="80" />
<br />

<textarea name="context" id="context" cols="45" rows="5"></textarea>

<br />

<input type="submit" name="button" id="button" value="Submit" />

</form>

You can even add an optional query to help with the extraction process.

 <input name="query" type="text" id="query" size="80" />

Once I figured it out, I decided to loop over my existing data populate the meta data. Dam, users.

$data = array('appid' => "YOUR-APPLICATION-ID", 'context' => 'TABLE-DATA');

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://search.yahooapis.com/ContentAnalysisService/V1/termExtraction');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$yte_input = curl_exec($ch);
curl_close($ch);

$phpobject = simplexml_load_string($yte_input);

foreach($phpobject as $term) {
$rs_yte = $conn->Execute(YOUR INSERT QUERY);
}

Simple as SimpleXML!

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dpkg-reconfigure mysql-server-5.0

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key_buffer = 48M
max_allowed_packet = 8M
table_cache = 128
sort_buffer_size = 48M
net_buffer_length = 8M
thread_cache_size = 4
query_cache_type = 1
query_cache_size = 4M

query_cache - this caches repeated SQL queries.
key_buffer - used for caching primary key indexes.
table_cache - tells mysql how many table files handles to keep open simultaneously.
thread_cache_size - this tells mysql to keep worker threads around which are expensive to start up, but cheap to maintain
sort_buffer_size - this value is used during queries to hold results in memory otherwise it creates temporary result tables on disk
net_buffer_length - should help on larger network based queries to improve throughput

Stolen and tweaked from the MySQL manual.
You can see your current cache usage by running the following.

SHOW STATUS LIKE "%cache"

• If you don't use replication comment out the log_bin feature. See manual.
• If you don't use InnoDB un-comment the skip-innodb feature. See manual.
• If you don't know what the above two features are, then do it!

I like to set a default charset too. It saves any confusion later on in life.
Add the following to my.cnf

collation_server=latin1_general_ci

Don't forget to restart MySQL afterwards.

Finally, I always install Jeremy Zawodny's mytop tool. If you use lazy-linux Ubuntu, you can apt-get it.

apt-get install mytop

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