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Re: Who will Responsible for Handling DFS Write Pipe line Failure - Hadoop - [mail # user]
...These 2-part blog posts from Yongjun should help you understand the HDFSfile write recovery process better:http://blog.cloudera.com/blog/2015/02/understanding-hdfs-recovery-processes-part-1/...
   Author: Harsh J, 2015-09-08, 01:26
Re: Performance impact of curl command on linux server - Hadoop - [mail # user]
...That depends - what resource did it consume, concerning your admins? CPU?Were you uploading using the chunked technique?On Fri, Sep 4, 2015 at 9:06 PM Shashi Vishwakarma wrote: ...
   Author: Harsh J, 2015-09-05, 08:47
[HADOOP-7947] Validate XMLs if a relevant tool is available, when using scripts - Hadoop - [issue]
...Given that we are locked down to using only XML for configuration and most of the administrators need to manage it by themselves (unless a tool that manages for you is used), it would be goo...
http://issues.apache.org/jira/browse/HADOOP-7947    Author: Harsh J, 2015-09-04, 02:29
[expand - 1 more] - Re: MultithreadedMapper - Sharing Data Structure - Hadoop - [mail # user]
...The MultiThreadedMapper won't solve your problem, as all it does is runparallel maps within the same map task JVM as a non-MT one. Your datastructure won't be shared across the different map...
   Author: Harsh J, 2015-08-24, 08:07
Re: Sorting the inputSplits - Hadoop - [mail # user]
...If you meant 'scheduled' first perhaps thats doable by following (almost)what Gera says. The framework actually explicitly sorts your InputSplitslist by its reported lengths, which would ser...
   Author: Harsh J, 2015-07-30, 18:51
[expand - 1 more] - Re: dfs.permissions.superusergroup not working - Hadoop - [mail # user]
...Is there a typo in your email, or did you set dfs.cluster.administratorsinstead of intending to set dfs.permissions.superusergroup?Also, are your id outputs from the NameNode machines? Cause...
   Author: Harsh J, 2015-07-25, 02:26
[expand - 1 more] - Re: total vcores per node containers in yarn - Hadoop - [mail # user]
...What version of Apache Hadoop are you running? Recent changes have madeYARN to auto-compute this via hardware detection, by default (rather thanthe 8 default).On Fri, Jul 17, 2015 at 11:31 P...
   Author: Harsh J, 2015-07-18, 13:52
Re: issues about hadoop-0.20.0 - Hadoop - [mail # user]
...Apache Hadoop 0.20 and 0.21 are both very old and unmaintained releases atthis point, and may carry some issues unfixed via further releases. Pleaseconsider using a newer release.Is there a ...
   Author: Harsh J, 2015-07-18, 10:18
[expand - 1 more] - Re: tools.DistCp: Invalid arguments - Hadoop - [mail # user]
...Yes, if the length matches and if you haven't specifically asked it toignore checksums.On Thursday, July 9, 2015, Giri P  wrote:Harsh J ...
   Author: Harsh J, 2015-07-10, 23:20
Re: Different outputformats in avro map reduce job - Hadoop - [mail # user]
...You can write out the text file by using a direct HDFS file writer.Your only concern in doing this approach would be the use of propertarget directories, which is documented athttp://wiki.ap...
   Author: Harsh J, 2015-07-09, 04:35
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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