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[HDFS-2004] Enable replicating and pinning files to a data node - HDFS - [issue]
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...Some HDFS applications require that a given file is on the local DataNode. The functionality created here will allow pinning the file to any DataNode....
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http://issues.apache.org/jira/browse/HDFS-2004
Author: Jason Rutherglen,
2013-03-15, 23:28
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Re: HDFS mvn eclipse:eclipse not working? - HDFS - [mail # dev]
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...Sure here's the pastebin: http://pastebin.com/ETmCNRbe On Fri, Jul 13, 2012 at 10:32 PM, Harsh J wrote: ...
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Author: Jason Rutherglen,
2012-07-14, 02:38
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HDFS mvn eclipse:eclipse not working? - HDFS - [mail # dev]
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...At [1] I ran 'mvn eclipse:eclipse' however it failed. Is that expected behavior? 1. http://svn.apache.org/repos/asf/hadoop/common/trunk/hadoop-hdfs-project...
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Author: Jason Rutherglen,
2012-07-14, 01:55
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Re: Local block placement policy, request - HDFS - [mail # user]
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...Yes, good point. Also, I wonder how HDFS handles what will be over replication of the file (meaning will it try to delete the over replicated blocks, in which case we'd need to ensure ...
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Author: Jason Rutherglen,
2011-05-26, 19:49
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Re: Local block placement policy, request - HDFS - [mail # user]
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...Todd, thanks! Right. However in the failover scenario where a node goes down (hardware failure, or either of the processes, such as the DataNode, RegionServer, etc), then I thin...
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Author: Jason Rutherglen,
2011-05-26, 19:02
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Local block placement policy, request - HDFS - [mail # user]
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...Is there a way to send a request to the name node to replicate block(s) to a specific DataNode? If not, what would be a way to do this? -Thanks...
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Author: Jason Rutherglen,
2011-05-26, 18:36
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Re: HDFS + ZooKeeper - HDFS - [mail # user]
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...Right and AN is not using ZK for the actual NameNode methods/functions, only for the failover election of the 'backup' NameNode? On Sun, Apr 24, 2011 at 4:06 AM, Ozcan ILIKHAN wr...
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Author: Jason Rutherglen,
2011-04-24, 17:13
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Re: HDFS + ZooKeeper - HDFS - [mail # user]
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...This is an interesting question. AvatarNode doesn't use Zookeeper? Is there a drawback to implementing ZK for the NameNode other than the potential bugs from a newly engineered feature...
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Author: Jason Rutherglen,
2011-04-23, 18:17
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Re: Is DFSInputStream.read(long position,...) designed for multi threaded access? - HDFS - [mail # user]
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...I wonder how much of the Android code would be used? Eg, are we passing data over domain sockets or are we only planning on using sendmsg()? On Wed, Mar 2, 2011 at 2:38 PM, Andre...
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Author: Jason Rutherglen,
2011-03-02, 23:48
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Re: Is DFSInputStream.read(long position,...) designed for multi threaded access? - HDFS - [mail # user]
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...Todd, Thanks for the reply. I looked at HDFS-941 which seems to remove the redundant creation of BlockReaders. That and HDFS-347 will solve some of the issues, however I th...
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Author: Jason Rutherglen,
2011-03-02, 16:17
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