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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/07/13 10:10:00 UTC
[jira] [Commented] (FLINK-9325) generate the _meta file for
checkpoint only when the writing is truly successful
[ https://issues.apache.org/jira/browse/FLINK-9325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16542828#comment-16542828 ]
ASF GitHub Bot commented on FLINK-9325:
---------------------------------------
Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/5982
@sihuazhou I got caught up in some other tasks - will try to get back to this here soon, I would like to have this feature in as a base for "search for completed checkpoint".
> 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
> Labels: pull-request-available
>
> 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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