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Posted to issues@flink.apache.org by "Yu Li (Jira)" <ji...@apache.org> on 2019/11/15 10:23:00 UTC

[jira] [Resolved] (FLINK-12697) Support on-disk state storage for spill-able heap backend

     [ https://issues.apache.org/jira/browse/FLINK-12697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yu Li resolved FLINK-12697.
---------------------------
    Fix Version/s: 1.10.0
       Resolution: Implemented

Merged in:
master: 525f3c9

(Thanks [~trohrmann] [~sewen] for review, and thanks [~sewen] for help merging the PR)

> Support on-disk state storage for spill-able heap backend
> ---------------------------------------------------------
>
>                 Key: FLINK-12697
>                 URL: https://issues.apache.org/jira/browse/FLINK-12697
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / State Backends
>            Reporter: Yu Li
>            Assignee: Yu Li
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.10.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> We need to store state on disk after spilling, and to support this, we need:
> 1. A data structure to efficiently support copy-on-write for asynchronous snapshot
> 2. An allocator to allocate and manage chunks from the memory mapped file(s)



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