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Posted to issues@flink.apache.org by "Sihua Zhou (JIRA)" <ji...@apache.org> on 2018/05/10 05:25:00 UTC

[jira] [Updated] (FLINK-9325) generate the _meta file for checkpoint only when the writing is totally successful

     [ https://issues.apache.org/jira/browse/FLINK-9325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sihua Zhou updated FLINK-9325:
------------------------------
    Summary: generate the _meta file for checkpoint only when the writing is totally successful  (was: generate the _meta file only when the writing is totally successful)

> generate the _meta file for checkpoint only when the writing is totally successful
> ----------------------------------------------------------------------------------
>
>                 Key: FLINK-9325
>                 URL: https://issues.apache.org/jira/browse/FLINK-9325
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.5.0
>            Reporter: Sihua Zhou
>            Assignee: Sihua Zhou
>            Priority: Major
>
> We should generate the _meta file for checkpoint only when the writing is totally successful. We should write the metadata file first to a temp file and then atomically rename it (with an equivalent workaround for S3). 



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