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Posted to issues@hbase.apache.org by "Richard Marscher (Jira)" <ji...@apache.org> on 2021/12/23 19:03:00 UTC

[jira] [Created] (HBASE-26623) Report CallDroppedException in exception metrics

Richard Marscher created HBASE-26623:
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             Summary: Report CallDroppedException in exception metrics
                 Key: HBASE-26623
                 URL: https://issues.apache.org/jira/browse/HBASE-26623
             Project: HBase
          Issue Type: Improvement
          Components: IPC/RPC, metrics, rpc
            Reporter: Richard Marscher
            Assignee: Richard Marscher


`CallDroppedException` can be thrown with `CallRunner.drop()` by queue implementations that decide to drop calls to groom the RPC call backlog. The LifoCoDel queue does this I believe and with Pluggable queue it's possible for 3rd party queue implementations to be using `drop()` for similar reasons (my use case). It would be nice for the server to be tracking these exceptions in metrics since otherwise you might have to do some extra lifting on the client side.

 

I have a patch I will submit soon.



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