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

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-9325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16470221#comment-16470221 ] 

ASF GitHub Bot commented on FLINK-9325:
---------------------------------------

Github user sihuazhou commented on the issue:

    https://github.com/apache/flink/pull/5982
  
    Hi @StephanEwen Could you please have a look at this?


> generate the _meta file for checkpoint only when the writing is truly 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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