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https://issues.apache.org/jira/browse/ACCUMULO-1062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Turner updated ACCUMULO-1062:
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Fix Version/s: 1.4.3
> large numbers of threads make in-memory updates slow
> ----------------------------------------------------
>
> Key: ACCUMULO-1062
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1062
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Affects Versions: 1.4.2
> Environment: testing on large clusters
> Reporter: Eric Newton
> Assignee: Keith Turner
> Priority: Critical
> Fix For: 1.5.0, 1.4.3
>
> Attachments: SlamTest.java
>
>
> Using hundreds of ingest programs, each running several batch writers, ingest
> would eventually become slow. Testing (attached) proved that performance
> fell off as the number of threads increased.
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