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From "Ufuk Celebi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6171) Some checkpoint metrics rely on latest stat snapshot
Date Wed, 22 Mar 2017 16:46:41 GMT
Ufuk Celebi created FLINK-6171:
----------------------------------

             Summary: Some checkpoint metrics rely on latest stat snapshot
                 Key: FLINK-6171
                 URL: https://issues.apache.org/jira/browse/FLINK-6171
             Project: Flink
          Issue Type: Bug
          Components: Metrics, State Backends, Checkpointing, Webfrontend
            Reporter: Ufuk Celebi


Some checkpoint metrics use the latest stats snapshot to get the returned metric value. These
snapshots are only updated when the {{WebRuntimeMonitor}} actually requests some stats (web
UI or REST API).

In practice, this means that these metrics are only updated when users are browsing the web
UI.

Instead of relying on the latest snapshot, the checkpoint metrics should be directly updated
via the completion callbacks.



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