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https://issues.apache.org/jira/browse/FLINK-2834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fabian Hueske closed FLINK-2834.
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Resolution: Fixed
Fix Version/s: 0.10
0.9.2
Fixed for 0.10 with dd3264e6360130c935267a13ff23db9ec3128d18
Fixed for 0.9 with 96099951e031adf37a5dba6d1c46c9eb6d43a52a
> Global round-robin for temporary directories
> --------------------------------------------
>
> Key: FLINK-2834
> URL: https://issues.apache.org/jira/browse/FLINK-2834
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Runtime
> Affects Versions: 0.10
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
> Fix For: 0.9.2, 0.10
>
>
> Currently each {{FileIOChannel}} performs a local round-robin among temporary
> directories. Initially every writer will be concurrently spilling to the same
> first directory, then the same second directory, etc. Even when evenly
> dispersed this effect will naturally occur due to the bunching effect.
> One solution is to use a global counter when selecting the temporary path.
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