[ https://issues.apache.org/jira/browse/HDFS-487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731617#action_12731617 ]
Raghu Angadi commented on HDFS-487: ----------------------------------- Given that there is mapping from id to the file, I am not sure if it really works like an id. Can you explain the use case bit more? (I haven't read the patch for pluggable block placement) When I first read the title of the jira, thought this might be about file handles... > 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. - You can reply to this email to add a comment to the issue online.