David Mollitor created HIVE-25831:
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Summary: Report Progress on Every Record Read for CompactorMR
Key: HIVE-25831
URL: https://issues.apache.org/jira/browse/HIVE-25831
Project: Hive
Issue Type: Improvement
Reporter: David Mollitor
Progress should be updated for every read of an input
{quote}
reads an input, writes an output, nor updates its status string
{quote}
https://github.com/apache/hive/blob/fffb31f2346df2b8011a9949895de21f506c0117/ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/CompactorMR.java#L813-L828
I think ever loop should simply be calling {{progress()}}. If during a major
compaction there are a lot of deleted values, long gaps of time can occur
without a progress update and the job may be timed out by YARN.
I'm not 100% sure this is happening, but just something I wanted to point out.
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