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https://issues.apache.org/jira/browse/HBASE-635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622029#action_12622029
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stack commented on HBASE-635:
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+1 on Billy's suggestion above. At start of task, do rough calculation using
BigInteger representation of start and end keys to figure 1/4, 1/2, and 3/4
done. As the row key comes in, compare to the calculated 1/4, 1/4, and 3/4 and
as soon as we pass out a marker update the Reporter with our status.
> Individual TableMap tasks don't report percentage complete.
> -----------------------------------------------------------
>
> Key: HBASE-635
> URL: https://issues.apache.org/jira/browse/HBASE-635
> Project: Hadoop HBase
> Issue Type: Improvement
> Environment: EC2 large instances, HBase 0.1.2, Hadoop 0.16.3
> Reporter: Daniel Leffel
> Priority: Minor
>
> Currently, the TableMap spawns a number of Map tasks matching the number of
> regions being served. However, each task reports 0% complete until the task
> is fully complete and jumps to 100%. It would be ideal if each task
> accurately reported it's percentage complete.
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