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Cisco Bug: CSCur14601 - Slab kernel memory rises due to CentOS issue

Last Modified

Apr 18, 2018

Products (1)

  • Cisco WebEx Meetings Server

Known Affected Releases

1.5.1.323 2.5.1.27 2.5.1.29

Description (partial)

Symptom:
Curl command usage on CentOS is causing slab kernel memory to rise over time.
More details about this issue can be found at https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=1044666
It's possible to experience audio degradation when system reaches near capacity limit.

Conditions:
System is exposed to heavy load after several days of inactivity.

Related Community Discussions

CWMS 2.x のメモリ使用率が高くなる
2015年11月20日(初版) TAC SR Collection 主な問題 Cisco WebEx Meetings Server (CWMS) 2.0 | および 2.5 において、サーバのメモリ使用率が徐々に高くなる現象が報告されております。 具体的には、OS のカーネルメモリ内、slab のキャッシュサイズが増加する事によって発生します。 [ciscotac@cwmslab1 ~]# slabtop Active / Total Objects (% used)    : 18609172 / 18804141 (99.0%)  Active / Total Slabs (% used) [37G: 900813 / 900817 (100.0%)  Active / Total Caches (% used)     : 116 / 202 (57.4%)  Active / Total Size (% used) [37G: 3366477.40K / 3389993.80K (99.3%)  Minimum / Average / Maximum Object : 0.02K ...
Latest activity: Nov 20, 2015
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