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https://issues.apache.org/jira/browse/FLINK-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14325820#comment-14325820
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ASF GitHub Bot commented on FLINK-1555:
---------------------------------------
GitHub user rmetzger opened a pull request:
https://github.com/apache/flink/pull/415
[FLINK-1555] Add serializer hierarchy debug util
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rmetzger/flink flink1555
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/415.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 #415
----
commit 9e640e520c3120bea32798daf42ee64b10dd8655
Author: Robert Metzger <rmetz...@apache.org>
Date: 2015-02-18T10:39:24Z
[FLINK-1555] Add serializer hierarchy debug util
----
> Add utility to log the serializers of composite types
> -----------------------------------------------------
>
> Key: FLINK-1555
> URL: https://issues.apache.org/jira/browse/FLINK-1555
> Project: Flink
> Issue Type: Improvement
> Reporter: Robert Metzger
> Priority: Minor
>
> Users affected by poor performance might want to understand how Flink is
> serializing their data.
> Therefore, it would be cool to have a tool utility which logs the serializers
> like this:
> {{SerializerUtils.getSerializers(TypeInformation<POJO> t);}}
> to get
> {code}
> PojoSerializer
> TupleSerializer
> IntSer
> DateSer
> GenericTypeSer(java.sql.Date)
> PojoSerializer
> GenericTypeSer(HashMap)
> {code}
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