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From "Adam Kramer (Created) (JIRA)" <>
Subject [jira] [Created] (HIVE-2678) Programmatically limit CLI status updates
Date Sat, 24 Dec 2011 06:36:30 GMT
Programmatically limit CLI status updates

                 Key: HIVE-2678
             Project: Hive
          Issue Type: Improvement
          Components: CLI, Logging
            Reporter: Adam Kramer

Provide a way to configure the frequency of Hive logging output, i.e., these:

2011-12-23 22:31:20,979 Stage-1 map = 16%,  reduce = 0%, Cumulative CPU 567.27 sec

Some jobs update more than once per second, which is way more than necessary (and runs users
out of scrollback buffer when using the CLI in screen).

Default should be to update when map % or reduce % complete has gone up by one, and should
be configurable via "SET mapred.update.rate=N;" to indicate that I would like updates every
N seconds.

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