GitHub user shixiaogang opened a pull request:
https://github.com/apache/flink/pull/3531
[FLINK-6034][checkpoint] Add KeyedStateHandle for the snapshots in keyed
streams
## Changes
- Add `KeyedStateHandle` for the snapshots in keyed streams.
`KeyGroupsStateHandle` now is one of its implementation.
- Distribute `KeyedStateHandle`s to subtasks with their key group range. A
`KeyedStateHandle` will be assigned to all subtasks whose key group range
overlap with its range.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/shixiaogang/flink flink-6034
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3531.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3531
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commit 9637dcc40d66a2702f5227b7bbe3ae66fca89adf
Author: xiaogang.sxg <xiaogang....@alibaba-inc.com>
Date: 2017-03-14T11:04:37Z
Add KeyedStateHandle for the snapshots in keyed streams
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