High CPU load detected, hawk ruby puma
This document (000019808) is provided subject to the disclaimer at the end of this document.
SUSE Linux Enterprise Server for SAP Applications 12 SP3 - 12 SP4 - 12 SP5
With the Nov 19 2020 release of hawk2 version:
hawk2-2.2.1+git.1604928548.070a8e0c-3.15.1.x86_64the option to disable TLS1.0 and TLS1.1 has been added.
However, this results in system messages log entries similar to the following:
crmd: notice: High CPU load detected: 4.070000
Also, the "ruby.rub2.1" process runs at 99% CPU.
From top output:
22188 haclust+ 20 0 754160 175248 9240 S 99.33 8.618 9872:44 ruby.ruby2.1The "99.33" entry is %CPU time.
from ps output:
haclust+ 22182 0.0 1.7 95200 36276 ? Ssl Dec01 0:13 puma 3.11.4 (ssl://0.0.0.0:7630?cert=/etc/hawk/hawk.pem&key=/etc/hawk/hawk.key&verify_mode=none&no_tlsv1=true&no haclust+ 22188 97.6 8.6 754160 175508 ? Sl Dec01 9883:51 puma: cluster worker 0: 22182 [hawk]The "97.6" is %CPU time.
Update to this version or higher:
An update to hawk2, version "hawk2-2.2.1+git.1604928548.070a8e0c-3.15.1.x86_64", provided that ability, but also introduce a regression that causes excessive CPU usage by the ruby/puma binaries.
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- Document ID:000019808
- Creation Date: 15-Dec-2020
- Modified Date:15-Dec-2020
- SUSE Linux Enterprise High Availability Extension
- SUSE Linux Enterprise Server
- SUSE Linux Enterprise Server for SAP Applications
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