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https://issues.apache.org/jira/browse/FLINK-3868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15280496#comment-15280496
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ASF GitHub Bot commented on FLINK-3868:
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GitHub user greghogan opened a pull request:
https://github.com/apache/flink/pull/1983
[FLINK-3868] [core] Specialized CopyableValue serializers and comparators
Update ValueTypeInfo to use specialized serializers and comparators, many
of which were already present.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/greghogan/flink
3868_specialized_copyablevalue_serializers_and_comparators
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1983.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1983
----
commit c3359933b67f4488e1ed7cd4f2632ee21cdb548e
Author: Greg Hogan <c...@greghogan.com>
Date: 2016-05-04T20:56:16Z
[FLINK-3868] [core] Specialized CopyableValue serializers and comparators
Update ValueTypeInfo to use specialized serializers and comparators,
many of which were already present.
----
> Specialized CopyableValue serializers and comparators
> -----------------------------------------------------
>
> Key: FLINK-3868
> URL: https://issues.apache.org/jira/browse/FLINK-3868
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.1.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Fix For: 1.1.0
>
>
> This need was discussed on the mailing list [1] and will be obviated by code
> generation for POJO serializers and comparators [2] (as I understand, i.e.,
> {{LongValue}} will now simply be treated as a POJO which happens to contain a
> {{long}} and a specialized serializer and comparator will be generated).
> In the meantime, and since {{ValueTypeInfo}} will need to be reworked to use
> the new generators, I think it is worthwhile to add specialized serializers
> and comparators for the {{CopyableValue}} types.
> This will also provide another point of comparison for the performance of the
> generated serializers and comparators.
> [1]
> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Tuple-performance-and-the-curious-JIT-compiler-td10666.html
> [2] https://issues.apache.org/jira/browse/FLINK-3599
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