Last Modified: Oct 01, 2018
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BIG-IP APM, GTM, LTM, vCMP
Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3
Opened: Nov 28, 2017
From the "tmctl compress" table: the cur_ctx value for QAT is equal or higher than 512, and the cur_active remains at zero. CPU utilization per tmm in this condition may be quite high.
Compression on a per-tmm basis can stop servicing new requests.
At least 512 contexts with no traffic wait in the compression queue and prevent new requests from getting compression service.
Switch to software compression.
Soften the restriction so that accumulated contexts with no traffic cannot not prevent busy contexts from getting compression time.