From: admin at wudimei dot com
Operating system: windows 7
PHP version: 5.4.8
Package: MySQL related
Bug Type: Feature/Change Request
Bug description:php5.4.8 connecting to mysql is slower then php5.2.6
Description:
------------
php5.4.8 connecting to mysql is slower then php5.2.8
i use php5.4.8 to connect the mysql,it's slow!it take about 1.0138568878174
seconds.
then i switch to php5.2.6 ,it only take 0.00234985351562 seconds.
please improve it
thank you!
yang qingrong
Test script:
---------------
<?php
$a = microtime( true );
$conn = mysql_connect("localhost","root","123456");
mysql_select_db("yqr");
$q = mysql_query("show tables");
while( $r = mysql_fetch_assoc( $q ))
{
print_r( $r );
}
echo microtime(true ) - $a; echo " seconds"; exit();
?>
php5.4.8 output:
Array ( [Tables_in_yqr] => account_book ) Array ( [Tables_in_yqr] =>
customer ) Array ( [Tables_in_yqr] => domain ) Array ( [Tables_in_yqr] =>
friends ) Array ( [Tables_in_yqr] => hourly_work ) Array ( [Tables_in_yqr]
=> hourly_work_project ) Array ( [Tables_in_yqr] => notepad ) Array (
[Tables_in_yqr] => notepad_ctg ) Array ( [Tables_in_yqr] => schedule )
1.0138568878174 seconds
php 5.2.6 output
Array ( [Tables_in_yqr] => account_book ) Array ( [Tables_in_yqr] =>
customer ) Array ( [Tables_in_yqr] => domain ) Array ( [Tables_in_yqr] =>
friends ) Array ( [Tables_in_yqr] => hourly_work ) Array ( [Tables_in_yqr]
=> hourly_work_project ) Array ( [Tables_in_yqr] => notepad ) Array (
[Tables_in_yqr] => notepad_ctg ) Array ( [Tables_in_yqr] => schedule )
0.00234985351562 seconds
--
Edit bug report at https://bugs.php.net/bug.php?id=63525&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=63525&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=63525&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=63525&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=63525&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=63525&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=63525&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=63525&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=63525&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=63525&r=support
Expected behavior: https://bugs.php.net/fix.php?id=63525&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=63525&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=63525&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=63525&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=63525&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=63525&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=63525&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=63525&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=63525&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=63525&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=63525&r=mysqlcfg
