EM Cloud Control 12c, 13c: Tuning Parameters for OHS / Webtier to Handle Heavy Load in Large Environments
(Doc ID 2316552.1)
Last updated on MARCH 12, 2021
Applies to:Enterprise Manager Base Platform - Version 184.108.40.206.0 and later
Information in this document applies to any platform.
Default OHS parameter values may not be able to handle heavy load in Large EM environments where OMS is monitoring thousands of targets.
OHS may observe hangs at times or crashes due to load and in some of the cases, ohs*.log reports following errors:
[OHS] [ERROR:32] [OHS-9999] [core.c] [host_id: server.com] [host_addr: xxx.xx.xx.xx] [pid: pid] [tid: tid] [user: <USER>] [VirtualHost: main] server is within MinSpareThreads of MaxClients, consider raising the MaxClients setting
[OHS] [ERROR:32] [OHS-9999] [core.c] [host_id: server.com] [host_addr: xxx.xx.xx.xx] [pid: [pid] [tid: tid] [user: <USER>] [VirtualHost: main] server reached MaxClients setting, consider raising the MaxClients setting
Goal of this document is to provide tuning parameters for OHS to handle heavy load.
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