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Posted to dev@hive.apache.org by "Karen Coppage (Jira)" <ji...@apache.org> on 2021/09/10 14:20:00 UTC

[jira] [Created] (HIVE-25513) Delta metrics collection may cause NPE

Karen Coppage created HIVE-25513:
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             Summary: Delta metrics collection may cause NPE
                 Key: HIVE-25513
                 URL: https://issues.apache.org/jira/browse/HIVE-25513
             Project: Hive
          Issue Type: Bug
            Reporter: Karen Coppage
            Assignee: Karen Coppage


When collecting metrics about the number of deltas under specific partitions/tables,  information about which partitions/tables are being read is stored in the Configuration object under key delta.files.metrics.metadata. This information is retrieved in DeltaFilesMetricsReporter#mergeDeltaFilesStats when collecting the actual information about the number of deltas. But if the information was never stored for some reason, an NPE will be thrown from DeltaFilesMetricsReporter#mergeDeltaFilesStats.



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