GitHub user shixiaogang opened a pull request:
https://github.com/apache/flink/pull/3524
[FLINK-6014][checkpoint] Allow the registration of state objects in
checkpoints
- Introduce `CompositeStateHandle` which is composed of a collection of
`StateObject`s and can register these `StateObject`s in `StateRegistry`.
- Use `StateRegistry` to maintain the reference count of the `StateObject`s
in completed checkpoints. A `StateObject` is deleted only if its reference
count is zero.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/shixiaogang/flink flink-6014
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3524.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 #3524
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commit a1796f2a0538c02a2154459fef8f931e14e18fca
Author: xiaogang.sxg <xiaogang....@alibaba-inc.com>
Date: 2017-03-13T11:23:47Z
Allow registration of state objects in checkpoints
commit de272a1f78356b940a3b9421dad70937596c3a94
Author: xiaogang.sxg <xiaogang....@alibaba-inc.com>
Date: 2017-03-13T11:29:21Z
remove unnecessary synchronization in StateRegistry
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