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https://issues.apache.org/jira/browse/TEZ-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Turner Eagles resolved TEZ-4275.
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Fix Version/s: 0.10.2
0.9.3
Resolution: Fixed
Thanks, [~belugabehr]. Committed to master and branch-0.9.
> Use Google Guava Intern Facility
> --------------------------------
>
> Key: TEZ-4275
> URL: https://issues.apache.org/jira/browse/TEZ-4275
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Fix For: 0.9.3, 0.10.2
>
> Time Spent: 3h 50m
> Remaining Estimate: 0h
>
> Google Guava has a pretty cool Interner facility.
>
> * More memory efficient than current offering. Map contains a weak key and
> a static dummy value (current implementation uses a weak value)
> * Current implementation has a single lock around the entire data structure.
> Google segments their data structure into (default: 4) segments for better
> concurrency
> * All the other thoughtful stuff Google has added into this feature
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