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Posted to issues@flink.apache.org by "aitozi (JIRA)" <ji...@apache.org> on 2018/05/24 08:43:00 UTC

[jira] [Commented] (FLINK-9418) Migrate SharedBuffer to use MapState

    [ https://issues.apache.org/jira/browse/FLINK-9418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488660#comment-16488660 ] 

aitozi commented on FLINK-9418:
-------------------------------

Hi, can you share some detail  about how to reach this "so that only the necessary parts (e.g. tail entries) are deserialized"? 

> Migrate SharedBuffer to use MapState
> ------------------------------------
>
>                 Key: FLINK-9418
>                 URL: https://issues.apache.org/jira/browse/FLINK-9418
>             Project: Flink
>          Issue Type: Improvement
>          Components: CEP
>            Reporter: Dawid Wysakowicz
>            Assignee: Dawid Wysakowicz
>            Priority: Major
>             Fix For: 1.6.0
>
>
> Right now {{SharedBuffer}} is implemented with java Collections and the whole buffer is deserialized on each access. We should migrate it to MapState, so that only the necessary parts (e.g. tail entries) are deserialized.



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