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[HDFS-1336] TruncateBlock does not update in-memory information correctly - HDFS - [issue]
...Component: data node Version: 0.20-append Summary: we found a case that when a block is truncated during updateBlock,the length on the ongoingCreates is not updated, hence leading to failed ...
http://issues.apache.org/jira/browse/HDFS-1336    Author: Thanh Do, 2014-04-03, 03:39
Re: Datanodes using public ip, why? - HDFS - [mail # user]
...have you tried playing with this config parameter  dfs.datanode.dns.interface  ?   On Thu, Jul 11, 2013 at 4:20 AM, Ben Kim  wrote:  ...
   Author: Thanh Do, 2013-07-11, 17:30
Poll: namespace features - HDFS - [mail # user]
...hi all hdfs users,  I am really interested in knowing how hdfs is use in real world, particularly how does a typical hdfs namespace look like (e.g. how many files, how many directories,...
   Author: Thanh Do, 2012-03-29, 02:46
Re: Analyzing the performance of HDFS - HDFS - [mail # user]
...this is a good reference  http://www.michael-noll.com/blog/2011/04/09/benchmarking-and-stress-testing -an-hadoop-cluster-with-terasort-testdfsio-nnbench-mrbench/#namenode-benchm ark-nnb...
   Author: Thanh Do, 2011-11-28, 04:16
snapshot - HDFS - [mail # dev]
...hi all,  is there any work on snapshoting HDFS going on? Can anybody give me some hint on what the current state of the art in HDFS snapshoting.  thanks a lot....
   Author: Thanh Do, 2011-06-01, 02:03
Re: What if one of the directory(dfs.name.dir) rw error ? - HDFS - [mail # user]
...You can simulate disk failure by some fault injection techniques. Applying AspectJ is one of them.  On Wed, May 25, 2011 at 3:07 AM, ccxixicc  wrote:  ...
   Author: Thanh Do, 2011-05-26, 03:48
Re: What's the difference between secondary namenode and checkpoint node?And does multiple SNN be supported? - HDFS - [mail # user]
...SSN = checkpoint node. I think multiple checkpoint node is supported in 0.21.  On Wed, May 25, 2011 at 9:53 PM, ccxixicc  wrote:  ...
   Author: Thanh Do, 2011-05-26, 03:41
Re: How to setup the AvatarNode? - HDFS - [mail # user]
...I think you need to apply the patch for the Avatar Node. Not sure the path number but you can figure out from Dhruba's post.  some other HA solution: - BackupNode (in 0.21) - Cluster of...
   Author: Thanh Do, 2011-05-23, 03:44
hdfs competitor? - HDFS - [mail # user]
...hi hdfs users,  Is anybody aware of a system that is similar to HDFS, in the sense that it has single master architecture, and the master also keeps an operation log.  Thanks, &nbs...
   Author: Thanh Do, 2011-05-19, 02:02
Re: HDFS Corruption: How to Troubleshoot or Determine Root Cause? - HDFS - [mail # user]
...what version you are using?  On Tue, May 17, 2011 at 8:22 PM, Time Less  wrote:  ...
   Author: Thanh Do, 2011-05-18, 01:31
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