PQ70519: SIGNIFICANT AMOUNT OF CPU TIME IS SPENT IN METHOD HTTP_REQUEST_PARSER::PROCESSCOOKIES

 A fix may be available

Obtain the fix for this APAR



APAR status
Closed as program error.

Error description
A significant amount of CPU time is spent in method
Http_Request_Parser::processCookies. This is a bug in the
HTTP Transport, such that it parses the request headers looking
for cookies, when it already has determined there are none. The
method should just check for cookies, and finding none, should
return, instead of parsing all the headers looking for session
data.
Local fix Problem summary
****************************************************************
* USERS AFFECTED: All users of WebSphere Application Server    *
*                 V4.0.1 for z/OS and OS/390                   *
****************************************************************
* PROBLEM DESCRIPTION: Performance degradation can be          *
*                      experienced for requests over the HTTP  *
*                      Transport.                              *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
HTTP requests take excessive cycles in the
HTTP_Request_Parser::processCookies method in the Control Region
while parsing and handling HTTP requests that do not have any
cookies.
Problem conclusion
A check was added to not search for the session cookie on HTTP
requests when there was no cookie header at all.

APAR PQ70519 is associated with SERVICE LEVEL W401500 of
WebSphere Application Server V4.0.1 for z/OS and OS/390.
Temporary fix Comments
APAR information
APAR number PQ70519
Reported component name WEBSPHERE OS/39
Reported component ID 5655A9800
Reported release 401
Status CLOSED PER
PE YesPE
HIPER NoHIPER
Submitted date 2003-01-31
Closed date 2003-02-13
Last modified date 2003-03-05

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros
BBOUBINF          

Fix information
Fixed component name WASKBASE
Fixed component ID 5655A9801

Applicable component levels
R401 PSY UQ74148    UP03/02/28 P F302

  Fix is available
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Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server for z/OS
Operating system(s):
Software version: 401
Software edition:
Reference #: PQ70519
IBM Group: Software Group
Modified date: Mar 5, 2003