ASF GitHub Bot commented on FLINK-3599:

Github user Xazax-hun commented on the issue:

    This patch depends on the following pull request: 
    Once it is landed I will remove the [WIP] tag. I did not remove it yet 
because I did not want the reviewer to review changes that was not done by me. 

> GSoC: Code Generation in Serializers
> ------------------------------------
>                 Key: FLINK-3599
>                 URL: https://issues.apache.org/jira/browse/FLINK-3599
>             Project: Flink
>          Issue Type: Improvement
>          Components: Type Serialization System
>            Reporter: Márton Balassi
>            Assignee: Gabor Horvath
>              Labels: gsoc2016, mentor
> The current implementation of the serializers can be a
> performance bottleneck in some scenarios. These performance problems were
> also reported on the mailing list recently [1].
> E.g. the PojoSerializer uses reflection for accessing the fields, which is 
> slow [2].
> For the complete proposal see [3].
> [1] 
> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Tuple-performance-and-the-curious-JIT-compiler-td10666.html
> [2] 
> https://github.com/apache/flink/blob/master/flink-core/src/main/java/org/apache/flink/api/java/typeutils/runtime/PojoSerializer.java#L369
> [3] 
> https://docs.google.com/document/d/1VC8lCeErx9kI5lCMPiUn625PO0rxR-iKlVqtt3hkVnk

This message was sent by Atlassian JIRA

Reply via email to