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Re: <ask> How to Overwrite file on HDFS - HDFS - [mail # user]
...Yes, in Apache Hadoop 2.x versions, you may do "hadoop fs -put -f  " to perform direct overwrites. The -f option is not available under your Apache Hadoop 1.x version presently, and you...
   Author: Harsh J, 2013-04-04, 09:32
[expand - 2 more] - Re: ReplicationTargetChooser has incorrect block placement comments - HDFS - [mail # dev]
...Hi Mei,  Thanks. Please also keep [EMAIL PROTECTED] on the to: list when replying, so your questions get exposure from other HDFS devs as well :)  Regarding your question, the answ...
   Author: Harsh J, 2013-04-04, 08:58
Re: Exception with QJM HDFS HA - HDFS - [mail # dev]
...A JIRA was posted by Azuryy for this at https://issues.apache.org/jira/browse/HDFS-4654.  On Mon, Apr 1, 2013 at 10:40 AM, Todd Lipcon  wrote:    Harsh J...
   Author: Harsh J, 2013-04-01, 05:12
Re: Auto clean DistCache? - HDFS - [mail # user]
...The DistributedCache is cleaned automatically and no user intervention (aside of size limitation changes, which may be an administrative requirement) is generally required to delete the olde...
   Author: Harsh J, 2013-03-28, 06:33
Re: Naïve k-means using hadoop - HDFS - [mail # user]
...If you're also a fan of doing things the better way, you can also checkout some Apache Crunch (http://crunch.apache.org) ways of doing this via https://github.com/cloudera/ml (blog post: htt...
   Author: Harsh J, 2013-03-27, 12:46
Re: Storage Block vs File Block - HDFS - [mail # user]
...They are different. HDFS blocks are simply files on a provided filesystem.  On Wed, Mar 27, 2013 at 4:41 PM, Sai Sai  wrote:    Harsh J...
   Author: Harsh J, 2013-03-27, 12:18
Re: System.out.printlin vs Counters - HDFS - [mail # user]
...I do not understand 1 and 2: Counters are used to count things in the MR framework in a distributed manner and get aggregate at the JobTracker level; System.out is merely used to write to ST...
   Author: Harsh J, 2013-03-27, 10:27
[HDFS-4246] The exclude node list should be more forgiving, for each output stream - HDFS - [issue]
...Originally observed by Inder on the mailing lists:Folks,i was wondering if there is any mechanism/logic to move a node back from the excludedNodeList to live nodes to be tried for new block ...
http://issues.apache.org/jira/browse/HDFS-4246    Author: Harsh J, 2013-03-25, 19:36
Re: Delete a hdfs directory if it already exists in a shell script. - HDFS - [mail # user]
...The -test utility of the "fs" shell does not return outputs, but is to be used via exit codes. See http://tldp.org/LDP/abs/html/exit-status.html for more reading material on what an exit cod...
   Author: Harsh J, 2013-03-23, 20:00
[expand - 2 more] - Re: Need your help with Hadoop - HDFS - [mail # user]
...Use dfs.data.dir if you are on a 1.x or 0.20.x based release. Use dfs.datanode.data.dir if you are on a 2.x release. The property applies to a DataNode as its name goes, and hence has to be ...
   Author: Harsh J, 2013-03-22, 06:55
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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