EM 13.4 / 13.5 : Tuning Parameters for OHS / Webtier to Handle Heavy Load in Large Environments
(Doc ID 2791143.1)
Last updated on JULY 12, 2021
Applies to:Enterprise Manager Base Platform - Version 22.214.171.124.0 and later
Information in this document applies to any platform.
OEM 13.4 / 13.5
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:
[2021-07-01T11:28:51.0458-05:00] [OHS] [ERROR:32] [AH00286] [mpm_worker] [host_id: <hostname>] [host_addr: <IPAddress>] [pid: 17413] [tid: 140152555566464] [user: oracle] [VirtualHost: main] AH00286: server reached MaxRequestWorkers setting, consider raising the MaxRequestWorkers setting
Goal of this document is to provide tuning parameters for OHS to handle heavy load.
For 12c and 13c (13.1, 13.2 and 13.3 versions), review the following document:
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