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https://issues.apache.org/jira/browse/ACCUMULO-4657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Wall resolved ACCUMULO-4657.
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Resolution: Fixed
Fix Version/s: 2.0.0
1.8.2
1.7.4
> BulkImport Performance Bottleneck
> ---------------------------------
>
> Key: ACCUMULO-4657
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4657
> Project: Accumulo
> Issue Type: Improvement
> Reporter: Matt Peterson
> Assignee: Matt Peterson
> Priority: Minor
> Fix For: 1.7.4, 1.8.2, 2.0.0
>
> Time Spent: 4h 50m
> Remaining Estimate: 0h
>
> Outputting every "loaded" entry in the table is excessive, especially for
> tables with multiple simultaneous bulk imports and multiple references to the
> same file. This can cause performance problems. Even when the log level was
> reduced, there was blocking within log4j. By doing that check once outside
> the loop and only logging at trace level, bulk import performance improves
> for such usages.
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