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Posted to issues@flink.apache.org by "MalcolmSanders (JIRA)" <ji...@apache.org> on 2019/03/04 12:46:00 UTC

[jira] [Updated] (FLINK-11808) etcd based SharedCount or sequencer

     [ https://issues.apache.org/jira/browse/FLINK-11808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

MalcolmSanders updated FLINK-11808:
-----------------------------------
    Component/s: Runtime / Coordination

> 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.



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