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dhruba borthakur commented on HDFS-487: --------------------------------------- Hi Tigran, thanks for doing this. As you rightly pointed out, hdfs will need to support a persistent fileid for a file. If you are interested in implementing this, you could follow the steps outlined in http://wiki.apache.org/hadoop/HowToContribute. For a big feature like this, a good way to start is with a requirements and design document. > HDFS should expose a fileid to uniquely identify a file > ------------------------------------------------------- > > Key: HDFS-487 > URL: https://issues.apache.org/jira/browse/HDFS-487 > Project: Hadoop HDFS > Issue Type: New Feature > Reporter: dhruba borthakur > Assignee: dhruba borthakur > Attachments: fileid1.txt > > > HDFS should expose a id that uniquely identifies a file. This helps in > developing applications that work correctly even when files are moved from > one directory to another. A typical use-case is to make the Pluggable Block > Placement Policy (HDFS-385) use fileid instead of filename. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira