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Colin Patrick McCabe
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[HDFS-5712] ViewFS should check the existence of the mapped namespace directories in the mount table
...ViewFS doesn't validate the mount table mapping. Even the mapped directory on NameNode doesn't exist, list directories or "dfs -ls" command can still show the mapped directory.This con...
, 2014-01-03, 23:06
[HDFS-5713] ViewFS doesn't work with -lsr command
...-lsr doesn't show the namespace subtree but only shows the top level directory/file objects....
, 2014-01-02, 22:56
[HDFS-5662] Can't decommission a DataNode due to file's replication factor larger than the rest of the cluster size
...A datanode can't be decommissioned if it has replica that belongs to a file with a replication factor larger than the rest of the cluster size.One way to fix this is to have some kind of min...
, 2013-12-19, 19:54
[HDFS-5657] race condition causes writeback state error in NFS gateway
...A race condition between NFS gateway writeback executor thread and new write handler thread can cause writeback state check failure, e.g.,2013-11-26 10:34:07,859 DEBUG nfs3.RpcProgramNfs3 (N...
, 2013-12-18, 14:58
[HDFS-5587] add debug information when NFS fails to start with duplicate user or group names
...When the host provides duplicate user or group names, NFS will not start and print errors like the following:... ... 13/11/25 18:11:52 INFO nfs3.Nfs3Base: registered UNIX signal handlers for...
, 2013-12-11, 00:34
[HDFS-5577] NFS user guide update
...dfs.access.time.precision is deprecated and the doc should use dfs.namenode.accesstime.precision instead....
, 2013-11-28, 13:40
[HDFS-5563] NFS gateway should commit the buffered data when read request comes after write to the same file
...HDFS write is asynchronous and data may not be available to read immediately after write.One of the main reason is that DFSClient doesn't flush data to DN until its local buffer is full.To w...
, 2013-11-28, 13:40
[HDFS-5539] NFS gateway secuirty enhancement
...Currently, NFS gateway only supports AUTH_UNIX RPC authentication. AUTH_UNIX is easy to deploy and use but lack of strong security support. This JIRA is to track the effort of NFS gateway se...
, 2013-11-21, 02:04
[HDFS-5469] Add configuration property for the sub-directroy export path
...Currently only HDFS root is exported. Adding this property is the first step to support sub-directory mounting....
, 2013-11-18, 18:49
[HDFS-5364] Add OpenFileCtx cache
...NFS gateway can run out of memory when the stream timeout is set to a relatively long period(e.g., >1 minute) and user uploads thousands of files in parallel. Each stream DFSClient ...
, 2013-11-08, 19:36
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