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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-8841) Duplicate MapSerializer and HashMapSerializer.
Date Thu, 26 Apr 2018 16:31:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-8841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16454490#comment-16454490

ASF GitHub Bot commented on FLINK-8841:

Github user asfgit closed the pull request at:


> Duplicate MapSerializer and HashMapSerializer.
> ----------------------------------------------
>                 Key: FLINK-8841
>                 URL: https://issues.apache.org/jira/browse/FLINK-8841
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing, Type Serialization System
>    Affects Versions: 1.5.0
>            Reporter: Kostas Kloudas
>            Assignee: Kostas Kloudas
>            Priority: Major
>             Fix For: 1.5.0
> Currently there are two class MapSerializer and HashMapSerializer whose code is the same
with the only difference being that one includes elements of type Map and the other HashMap. 
> In addition, these two were merged on the same commit. 
> I would like to remove the HashMapSerializer. I already created a branch without the
HashMapSerialzer and nothing seems to be failing on Travis. The reasons why I hesitate to
do it, is because I am not sure if this may create problems with Backwards Compatibility.
> [~xiaogang.sxg] could you elaborate a bit on why they were both added and if there is
any danger in removing the HashMapSerializer?
> Also [~StephanEwen] and [~stefanrichter83@gmail.com] it is worth having a look and
if you are ok, I can remove the redundant serializer.

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