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https://issues.apache.org/jira/browse/GIRAPH-1029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14717172#comment-14717172
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Sergey Pupyrev commented on GIRAPH-1029:
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patch - https://reviews.facebook.net/D45723
> immutable numeric writables
> ---------------------------
>
> Key: GIRAPH-1029
> URL: https://issues.apache.org/jira/browse/GIRAPH-1029
> Project: Giraph
> Issue Type: Improvement
> Reporter: Sergey Pupyrev
>
> I see a lot of expressions like LongWritable reusableZero = new
> LongWritable(0) or IntWritable reusableOne = new IntWritable(1).
> How about creating an immutable version of numeric Writables to avoid the
> constructions and make GC's job easier
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