FAQ

Which versions of the Proxy SG operating system contain fixes for high Utilization issues.

FAQ ID:    FAQ903
Version:    4.0
Status:    Published
Published date:    07/20/2010
Updated:    01/28/2011
 

Answer

The following SGOS releases have specific fixes for high CPU utilization.  If you are experiencing high CPU utilization due to these problem descriptions, please upgrade SGOS to resolve those issues. 

 

Description of issue  Bug number Version fixed in
CIFS high utilization issue 128008 Fixed in SGOS 5.4.3.7 and SGOS 5.5.3.1 or later.  To download, please see https://bto.bluecoat.com/download/ProxySG .
Client workers max out being blocked on DNS and access logging 120372 Fixed in SGOS 4.3.4.1.  To download, please see https://bto.bluecoat.com/download/product/13
Long URLS causing High CPU with Websense  94300 / 94735 Fixed in SGOS 4.2.8.2 (bug 94300) or later and  5.2.4.3 (bug 94735).  Please update to the latest version of SGOS found at https://bto.bluecoat.com/download/ProxySG
High CPU in TCP and DNS when using tcp-fast-finwait2-recycle 146141 Fixed in SGOS 5.4.5.1.  To download, please see https://bto.bluecoat.com/download/product/17 

Please see KB3608 for instructions on how to upgrade SGOS on your ProxySG appliance.

NOTE: Please see KB3894 for information detailing other solutions for high CPU issues.

 


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