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https://issues.apache.org/jira/browse/HDFS-4160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated HDFS-4160:
-----------------------------------
Labels: BB2015-05-TBR (was: )
> libhdfs / fuse-dfs should implement O_CREAT | O_EXCL
> ----------------------------------------------------
>
> Key: HDFS-4160
> URL: https://issues.apache.org/jira/browse/HDFS-4160
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
> Affects Versions: 2.0.3-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Labels: BB2015-05-TBR
> Attachments: HDFS-4160.001.patch
>
>
> {{hdfsOpenFile}} contains this code:
> {code}
> if ((flags & O_CREAT) && (flags & O_EXCL)) {
> fprintf(stderr, "WARN: hdfs does not truly support O_CREATE && O_EXCL\n");
> }
> {code}
> But {{hdfsOpenFile}} could easily support *O_CREAT* | *O_EXCL* by calling
> {{FileSystem#create}} with {{overwrite = false}}.
> We should do this. It would also benefit {{fuse-dfs}}.
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