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Lost metadata of data block - HDFS - [mail # dev]
...Hi all,  How can I recover the meta info of one data block, assuming I only have 1 replica of that data block in the HDFS?  Thanks,...
   Author: Vivi Lang, 2012-11-12, 22:52
[expand - 3 more] - Re: Create a data block in a certain data node - HDFS - [mail # dev]
...Yes, I know the which block is corrupted and want to rewrite the content of the block. (asuming the replication factor of the related file is 1)    On Fri, Nov 9, 2012 at 12:33 PM,...
   Author: Vivi Lang, 2012-11-09, 19:57
How to convert the local block to InputStream - HDFS - [mail # dev]
...Hi guys, I would like to know if I need read certain block b1 in datanode n1 and b1 has a replica in datanode n1, how can I get that work? For example, I want to encode block b1 in datanode ...
   Author: Vivi Lang, 2012-10-31, 21:37
[expand - 2 more] - Re: A question about reading one block - HDFS - [mail # dev]
...Please ignore the previous email which I did not describe the problem clearly.  On Wed, Oct 31, 2012 at 3:05 PM, Vivi Lang  wrote:  ...
   Author: Vivi Lang, 2012-10-31, 21:31
Question about - HDFS - [mail # dev]
...Hi all,  Is there anyone who can tell me that when we lanuch a mapreduce task, for example, wordcount, after the JobClient obtained the block locations (the related hosts/datanodes are ...
   Author: Vivi Lang, 2012-09-13, 00:10
Re: A question about the namenode's decision on the data placement of a new file - HDFS - [mail # dev]
...Thanks but I found that BlockPlacementPolicy only appear after 0.21.0? Is there any similar class or function appeared in 0.20.   On Fri, Aug 24, 2012 at 6:03 PM, Andy Isaacson  wr...
   Author: Vivi Lang, 2012-08-25, 00:00
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB