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Posted to issues-all@impala.apache.org by "Zhi Tang (Jira)" <ji...@apache.org> on 2024/02/20 06:46:00 UTC

[jira] [Created] (IMPALA-12822) Set up Impala caller context to HDFS

Zhi Tang created IMPALA-12822:
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             Summary: Set up Impala caller context to HDFS
                 Key: IMPALA-12822
                 URL: https://issues.apache.org/jira/browse/IMPALA-12822
             Project: IMPALA
          Issue Type: Bug
            Reporter: Zhi Tang


If Impala reads data from HDFS or writes data into HDFS, a corresponding operation record with impala caller contexts will be written into hdfs-audit.log. That can help users to better diagnose and understand how specific queries impacting parts of the Hadoop system and potential problems they may be creating (e.g. overloading NN). As HDFS mentioned in HDFS-9184, for a given HDFS operation, it's very helpful to track which upper level job issues it.



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