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Using CPU Throttling for on-access scan

  • Published on Sep 13, 2026
  • 1 minute(s) read
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You can enforce OAS CPU throttling only in Fanotify mode when Deferred Scan is in enabled state or scan mode is scan on write. Here, main mfetpd and OAS manager process are throttled.

OAS CPU limit can be set using command line interface or installer option sudo ./install-mfetp.sh usedeferredscan oascpulimit=value. The default OAS CPU limit is 100 and on-access scan can be throttled between 50-99.

Note

Setting the value to 100 disables OAS CPU throttling.