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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2015/05/19 17:51:01 UTC

[jira] [Created] (CASSANDRA-9423) Improve Leak Detection to cover strong reference leaks

Benedict created CASSANDRA-9423:
-----------------------------------

             Summary: Improve Leak Detection to cover strong reference leaks
                 Key: CASSANDRA-9423
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9423
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Benedict
            Assignee: Benedict
             Fix For: 3.0 beta 1


Currently we detect resources that we don't cleanup that become unreachable. We could also detect references that appear to have leaked without becoming unreachable, by periodically scanning the set of extant refs, and checking if they are reachable via their normal means (if any); if their lifetime is unexpectedly long this likely indicates a problem, and we can log a warning/error.

Assigning to myself to not forget it, since this may well help especially with [~tjake]'s concerns highlighted on 8099 for 3.0.



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