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Re: FileSystem API - Moving files in HDFS - Hadoop - [mail # user]
...There is no FileSystem API to copy.  You could try  hadoop dfs -cp    which basically reads the file and writes to new file.  The code for this is in FsShell.java &n...
   Author: lohit, 2011-05-13, 21:00
[expand - 3 more] - Re: Socket closed Exception - Hadoop - [mail # user]
...Thanks Koji, Raghu. This seemed to solve our problem, havent seen this happen in the past 2 days. What is the typical value of ipc.client.idlethreshold on big clusters. Does default value of...
   Author: lohit, 2009-04-01, 23:00
Re: How to read output files over HDFS - Hadoop - [mail # user]
...http://wiki.apache.org/hadoop/HadoopDfsReadWriteExample  Loht    From: Amandeep Khurana  To: [EMAIL PROTECTED] Sent: Wednesday, March 11, 2009 9:46:09 PM Subject: Re: How...
   Author: lohit, 2009-03-12, 05:48
Re: What happens when you do a ctrl-c on a big dfs -rmr - Hadoop - [mail # user]
...When you issue -rmr with directory, namenode get a directory name and starts deleting files recursively. It adds the blocks belonging to files to invalidate list. NameNode then deletes those...
   Author: lohit, 2009-03-12, 03:56
Re: HDFS is corrupt, need to salvage the data. - Hadoop - [mail # user]
...How many Datanodes do you have. Also, I see that your default replication is set to 1. Can you check if  your datanodes are up and running. Lohit    From: Mayuran Yogarajah &n...
   Author: lohit, 2009-03-10, 00:34
Re: Contributing to hadoop - Hadoop - [mail # dev]
...Ajit,  Another easy way to test your code is to write a testcase. You could follow any of the already existing test HDFS test cases. For example src/test/org/apache/hadoop/hdfs/server/n...
   Author: lohit, 2009-02-26, 08:10
Re: multiple datanodes on single node cluster - Hadoop - [mail # dev]
...It is possible to run multiple datanodes.  You would have to have separate conf file for each datanode, basically you need to have different datanode address (dfs.datanode.address and r...
   Author: lohit, 2009-02-26, 07:55
Re: [VOTE] Chukwa as subproject - Hadoop - [mail # general]
...+1. Thanks, Lohit    From: Eric Yang  To: [EMAIL PROTECTED] Sent: Tuesday, February 24, 2009 1:53:23 PM Subject: Re: [VOTE] Chukwa as subproject  +1   This is great ...
   Author: lohit, 2009-02-24, 22:32
Re: using HDFS for a distributed storage system - Hadoop - [mail # user]
...Have you considered Hadoop archive?  http://hadoop.apache.org/core/docs/current/hadoop_archives.html Depending on your access pattern, you could store files in archive step in the first...
   Author: lohit, 2009-02-10, 02:14
Re: copyFromLocal * - Hadoop - [mail # user]
...Which version of hadoop are you using. I think from 0.18 or 0.19 copyFromLocal accepts multiple files as input but destination should be a directory.  Lohit    From: S D  ...
   Author: lohit, 2009-02-10, 02:10
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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