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https://issues.apache.org/jira/browse/FLINK-11808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17210886#comment-17210886
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Till Rohrmann commented on FLINK-11808:
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Are you still working on this issue [~ssy]?
> Implement etcd based SharedCount or sequencer
> ---------------------------------------------
>
> Key: FLINK-11808
> URL: https://issues.apache.org/jira/browse/FLINK-11808
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: MalcolmSanders
> Assignee: MalcolmSanders
> Priority: Minor
>
> Implement SharedCount or sequencer API using jetcd.
> CheckpointIDCounter is used to get and increment an integer atomically for
> creating checkpoint ID. Zookeeper based CheckpointIDCounter chooses
> SharedCount API in curator to achieve its target. While I find the
> implementation of SharedCount in curator somewhat complicated considering
> flink's use case, I think a sequencer API is adequate for the need of
> CheckpointIDCounter.
> jetcd issue : [jetcd#473|https://github.com/etcd-io/jetcd/issues/473]
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