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Bug #36057 php_oci8.dll not thread safe?
Submitted: 2006-01-17 17:48 UTC Modified: 2006-01-18 00:48 UTC
From: ottawasixtyseven at hotmail dot com Assigned:
Status: Closed Package: OCI8 related
PHP Version: 5.1.2 OS: W2K/IIS5
Private report: No CVE-ID: None
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 [2006-01-17 17:48 UTC] ottawasixtyseven at hotmail dot com 
Description:
------------
It appears that php_oci8.dll is not thread safe. We're trying to run PHP 5.1 in ISAPI mode using php_oci8.dll to connect to Oracle.

We can use ODBC instead of php_oci8.dll but this slows things down by as much as three times. We can also use PHP in CGI mode with php_oci8.dll but this also adversely effects performance.

I guess we're just looking for confirmation here. If it's a known issue that php_oci8.dll is not thread safe then we'll have to find another solution.

Reproduce code:
---------------
Any code will reproduce this. We are using phpinfo(). We are aware that phpinfo() leaks on purpose (not a bug) but for the purposes of this testing we're not concerned about memory leaks as the test only runs for 5 minutes.

Expected result:
----------------
Expect the web server not to crash during load test. 

Actual result:
--------------
Server crashes after 20 seconds with thousands of HTTP errors. Works perfectly in ODBC mode.

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 [2006-01-17 18:22 UTC] tony2001@php.net 
Works perfectly fine with threaded web-servers like Apache2.
 [2006-01-17 18:46 UTC] ottawasixtyseven at hotmail dot com 
Is IIS5 a threaded web server?
 [2006-01-17 19:03 UTC] tony2001@php.net 
I guess so.
 [2006-01-18 00:48 UTC] tony2001@php.net 
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
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