[jira] [Assigned] (FLINK-1555) Add utility to log the serializers of composite types

["Robert Metzger (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger reassigned FLINK-1555:
-------------------------------------

    Assignee: Robert Metzger

> 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
>            Assignee: 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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