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https://issues.apache.org/jira/browse/CRAIL-27?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16520144#comment-16520144
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Patrick Stuedi commented on CRAIL-27:
-------------------------------------
But that adds at least one extra RPC due to an additional check to see if the
file exists. This is is called by the DelegateToFileSystem when creating a file:
https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileSystem.java#L1268
> Do not reimplement HDFS adapter for AbstractFileSystem
> ------------------------------------------------------
>
> Key: CRAIL-27
> URL: https://issues.apache.org/jira/browse/CRAIL-27
> Project: Apache Crail
> Issue Type: Improvement
> Reporter: Jonas Pfefferle
> Priority: Minor
>
> Use DelegateToFileSystem class to implement AbstractFileSystem instead of
> reimplementing all the calls.
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