Sandeep More created KNOX-989:
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Summary: Revisit JMX Metrics to fix the Out of Memory issue
Key: KNOX-989
URL: https://issues.apache.org/jira/browse/KNOX-989
Project: Apache Knox
Issue Type: Bug
Components: Server
Reporter: Sandeep More
Fix For: 0.14.0
Bug [KNOX-986|https://issues.apache.org/jira/browse/KNOX-986] uncovers problem
with Metrics when large number of unique URLs are accessed via Knox. The
problem here is that Knox creates metrics objects per unique URL, the metrics
objects are not flushed out (for obvious reason - to maintain the metric
state).
We need to come up with a proper fix to mitigate this while being able to use
the JMX Metrics.
One way of doing this would be to have Metrics objects at service level ( e.g.
/gateway/sandbox/webhdfs/* ) the other way would be to have a reaper process
that clears out the unused objects. Other suggestions are welcomed !
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