MOM keeps crashing intermittently
Release : 10.7.0
Component : CA DOI Foundations
From heap dump:
Agent: Custom Metric Host \(Virtual\)\|Custom Metric Process \(Virtual\)\|Custom Business Application Agent \(Virtual\)
By Frontend\|(.*)\|Health:Stall Count
By Frontend\|(.*)\|Health:Errors Per Interval
Top-N filter: top 25
We are getting back 1752 metrics, each metric with up to 26k data points, that takes 5GB.
The other Query is the same as the 1st one. Not sure if customer was refreshing the same top-N graph.
We can set a clamp on the data points to avoid the crash:
Setting introscope.enterprisemanager.query.returneddatapointlimit to 100000 on the MOM only resolved the issue.