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https://issues.apache.org/jira/browse/HUDI-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17169396#comment-17169396
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sivabalan narayanan commented on HUDI-1098:
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[~vinoth] : we have to validations actually. first validation is to ensure all
files are available and then we validate all files are deleted. first
validation is specifically for eventual stores like S3. So, myself and Udit
were talking about the first validation.
> Marker file finalizing may block on a data file that was never written
> ----------------------------------------------------------------------
>
> Key: HUDI-1098
> URL: https://issues.apache.org/jira/browse/HUDI-1098
> Project: Apache Hudi
> Issue Type: Bug
> Components: Writer Core
> Reporter: Vinoth Chandar
> Assignee: sivabalan narayanan
> Priority: Blocker
> Fix For: 0.6.0
>
>
> {code:java}
> // Ensure all files in delete list is actually present. This is mandatory for
> an eventually consistent FS. // Otherwise, we may miss deleting such files.
> If files are not found even after retries, fail the commit
> if (consistencyCheckEnabled) {
> // This will either ensure all files to be deleted are present.
> waitForAllFiles(jsc, groupByPartition, FileVisibility.APPEAR);
> }
> {code}
> We need to handle the case where marker file was created, but we crashed
> before the data file was created.
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