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https://issues.apache.org/jira/browse/BEAM-1742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15930399#comment-15930399
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ASF GitHub Bot commented on BEAM-1742:
--------------------------------------
GitHub user tgroh opened a pull request:
https://github.com/apache/beam/pull/2266
[BEAM-1742] Update Checkpoint and Finalize Documentation
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---
This more precisely specifies how a runner is permitted to interact with
a CheckpointMark, and the requirements on implementors for what a source
must be capable of handling.
Existing CheckpointMarks should be audited to ensure that they meet
these new requirements.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tgroh/beam finalize_spec
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/2266.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 #2266
----
commit 1800a16af4e7af5e6b5e97b1fe90900f555ce540
Author: Thomas Groh <[email protected]>
Date: 2017-03-14T17:47:50Z
Update Checkpoint and Finalize Documentation
This more precisely specifies how a runner is permitted to interact with
a CheckpointMark, and the requirements on implementors for what a source
must be capable of handling.
Existing CheckpointMarks should be audited to ensure that they meet
these new requirements.
----
> UnboundedSource CheckpointMark should have more precise documentation
> ---------------------------------------------------------------------
>
> Key: BEAM-1742
> URL: https://issues.apache.org/jira/browse/BEAM-1742
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Thomas Groh
> Assignee: Thomas Groh
>
> It should describe when a Checkpoint can committed, and should have more
> precise definitions of when a runner is permitted to finalize it.
> Generally these definitions are more forgiving than what some checkpoints
> assume, so existing Unbounded Sources should be audited to ensure they behave
> correctly in this context.
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