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https://issues.apache.org/jira/browse/HADOOP-931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12467511
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Doug Cutting commented on HADOOP-931:
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Hmm. Seeing partial files could be considered a feature. LocalFileSystem also
makes partial files visitible, no? Is this breaking something? If not, I'd
leave things as-is.
> Make writes to S3FileSystem world visible only on completion
> ------------------------------------------------------------
>
> Key: HADOOP-931
> URL: https://issues.apache.org/jira/browse/HADOOP-931
> Project: Hadoop
> Issue Type: Bug
> Components: fs
> Reporter: Tom White
>
> Currently files written to S3 are visible to other processes as soon as the
> first block has been written. This is different to DFS which only makes files
> world visible after the stream writing to the file has closed (see
> FSNamesystem.completeFile).
> We could implement this by having a piece of inode metadata that indicates
> the visibility of the file.
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