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Posted to dev@hive.apache.org by "Thomas Prelle (Jira)" <ji...@apache.org> on 2019/10/03 13:43:37 UTC

[jira] [Created] (HIVE-22290) ObjectStore.cleanWriteNotificationEvents and ObjectStore.cleanupEvents OutOfMemory on large number of pending events

Thomas Prelle created HIVE-22290:
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             Summary: ObjectStore.cleanWriteNotificationEvents and ObjectStore.cleanupEvents OutOfMemory on large number of pending events
                 Key: HIVE-22290
                 URL: https://issues.apache.org/jira/browse/HIVE-22290
             Project: Hive
          Issue Type: Bug
          Components: HCatalog, repl
    Affects Versions: 4.0.0
            Reporter: Thomas Prelle


As in [https://jira.apache.org/jira/browse/HIVE-19430] if there are large number of events that haven't been cleaned up for some reason, then ObjectStore.cleanWriteNotificationEvents() and ObjectStore.cleanupEvents can run out of memory while it loads all the events to be deleted.
It should fetch events in batches.



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