Troubleshooting high CPU usage or performance issues on the ProxySG appliance

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Various resources for troubleshooting high CPU usage or performance issues on the ProxySG appliances.


This document helps you determine what items you need to send to Blue Coat Technical Support for analysis. It also describes some common performance issues and what can be used to identify and remedy those issues. Please take a few minutes to review what is available.


Information to gather for Blue Coat Technical Support regarding performance issues:


IssueArticle number
How to create low interval snapshots?000010288
Setting up CPU monitor000010333
Creating a snapshot that records CPU monitor info000010266
How do I enable a full core on the ProxySG?KB3178
How do I force a full core?000010392
How do I save a capture file in a full core?000011373
What do the restart codes 0x6001A and 0x60019 mean?000015025
How do I create a rolling packet capture?000011202
How do I upload files to Blue Coat Technical Support?000010765
What are the different files required by Blue Coat technical support and when to upload them?FAQ981


High CPU issues and accompanying resolutions.  ProxyAV best practices:


IssueArticle number
High CPU in Misc, BCWF and access log issues000012966
High CPU with Websense RTU/RTSU (real-time updates) enabled000009652
Various ProxySG high CPU causes and solutions000014477
ProxyAV Best Practice Guide000012785


 Networking issues or website issues:


IssueArticle number
Web pages load slowly (RFC 1323)000013651
ProxySG will reset a connection if the client reuses the same source port in a short period of time (2MSL adjustment)000013087
Network error (503 error) when running applications through a ProxySG000008276
Web sites slow to display due to IPv6 DNS queries in SGOS 5.5.x.x000014643
Web site or video loads slowly / Remote host does not have DNS name (RDNS)000014682
Policy Deny when a user logs in or comes back after a period of time away from their PC when running new versions of Windows OS000012727
Troubleshooting Web Sites000014158


 Hardware issues:


IssueArticle number
Replacing Disk 1 on your ProxySG without loosing your configuration000013160
How to reinitialize a ProxySG with a single disk system (default SSL keys only)000011253
Reinitializing drives on a multi-disk ProxySG000013159


Archiving a ProxySG configuration, moving it to another system, upgrading SGOS:


IssueArticle number
Where can I download different versions of SGOS?000015816
What are the upgrade procedures to update the SGOS firmware or operating system on my ProxySG?000014861
Can I archive the configuration of my ProxySG?000008299
How to modify and prepare an archived configuration for import onto another ProxySG000011243
Restoring the configuration using the GUI000010141 (FAQ1866)
Restoring the ProxySG system configuration from an FTP Archive via the CLI000013244
Preserving encrypted passwords during configuration archive and restore000012716
How do I import an SSL certificate and private key from one ProxySG to another?000010509




Additional Information
Bug Number
InQuira Doc IdKB4261

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First Published      10/01/2014
Last Modified      05/19/2015
Last Published      05/19/2015
Article Audience
Product      ProxySG
Software      SGOS 4, SGOS 5, SGOS 6
Topic      Debugging, Errors / Event Logs / Alerts, Performance, Usability
Article Number      000014453
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