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