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Troubleshooting > Filtering Service alert messages > High CPU usage on the Filtering Service machine
High CPU usage on the Filtering Service machine
Administrator Help | Forcepoint Web Security and Forcepoint URL Filtering | v8.5.x
When the CPU on the Filtering Service machine is overloaded (whether by the volume of processing being performed by Filtering Service, or by demands from other software running on the Filtering Service machine), users may experience slow browsing, as requests for sites take longer to process.
During times of peak CPU usage (exceeding 95%), Filtering Service may be unable to process requests at all, leading to incorrect policy enforcement.
To address this issue, start by using the Task Manager (Windows) or top command (Linux) to determine which processes on the machine are causing CPU usage to peak.
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If Filtering Service is using a high amount of processing time:
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Reducing the number of keywords and regular expressions, or removing or simplifying complex regular expressions can improve Filtering Service performance.

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Troubleshooting > Filtering Service alert messages > High CPU usage on the Filtering Service machine
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