#49511 [NEW]: mysqlnd timeout seems fixed at 60 secs

From: Date: Wed, 09 Sep 2009 12:24:02 +0000
Subject: #49511 [NEW]: mysqlnd timeout seems fixed at 60 secs
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-142153@lists.php.net to get a copy of this message 
From:             casper at procurios dot nl
Operating system: Linux
PHP version:      5.3.0
PHP Bug Type:     MySQL related
Bug description:  mysqlnd timeout seems fixed at 60 secs

Description:
------------
It seems that mysqli using mysqlnd has a set timeout of 60 seconds for 
a query. If you run a query that takes longer, the 'MySQL server has 
gone away' error is cast.

Furthermore when I try to set MYSQLI_OPT_CONNECT_TIMEOUT, it won't 
comply.

In the reproduce code below, I get the errors only after 60 seconds, 
where I expected to see them at 5 seconds.


Reproduce code:
---------------
$link = mysqli_init();
mysqli_options($link, MYSQLI_OPT_CONNECT_TIMEOUT, 5);
mysqli_real_connect($link, 'localhost', 'root', '');

mysqli_query($link, 'SELECT SLEEP(62)');

mysqli_close($link);

Actual result:
--------------
PHP Warning:  mysqli_query(): MySQL server has gone away in 
/home/casper/mysqltest.php on line 7

Warning: mysqli_query(): MySQL server has gone away in 
/home/casper/mysqltest.php on line 7
PHP Warning:  mysqli_query(): Error reading result set's header in 
/home/casper/mysqltest.php on line 7

Warning: mysqli_query(): Error reading result set's header in 
/home/casper/mysqltest.php on line 7


-- 
Edit bug report at http://bugs.php.net/?id=49511&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=49511&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=49511&r=trysnapshot53
Try a snapshot (PHP 6.0):            http://bugs.php.net/fix.php?id=49511&r=trysnapshot60
Fixed in SVN:                        http://bugs.php.net/fix.php?id=49511&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49511&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=49511&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=49511&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=49511&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=49511&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=49511&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=49511&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=49511&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=49511&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=49511&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=49511&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=49511&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=49511&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=49511&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=49511&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=49511&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=49511&r=mysqlcfg

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