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[expand - 2 more] - Re: Thinking ahead to hadoop-2.6 - HDFS - [mail # dev]
...2.6.0 is close now.Here are the remaining blockers, I'm hoping cut an RC in the next week or so:http://s.apache.org/hadoop-2.6.0-blockersthanks,ArunOn Sep 30, 2014, at 10:42 AM, Arun C Murth...
   Author: Arun C Murthy, 2014-10-14, 18:32
Re: [VOTE] Release Apache Hadoop 2.5.0 RC2 - HDFS - [mail # dev]
...+1 (binding)Verified sigs and ran sample jobs. Thanks for taking the lead on this Karthik.ArunOn Aug 6, 2014, at 1:59 PM, Karthik Kambatla  wrote:CONFIDENTIALITY NOTICENOTICE: This mess...
   Author: Arun C Murthy, 2014-08-12, 15:47
[HDFS-945] Make NameNode resilient to DoS attacks (malicious or otherwise) - HDFS - [issue]
...We've seen defective applications cause havoc on the NameNode, for e.g. by doing 100k+ 'listStatus' on very large directories (60k files) etc.I'd like to start a discussion around how we pre...
http://issues.apache.org/jira/browse/HDFS-945    Author: Arun C Murthy, 2014-07-30, 00:15
[HDFS-281] Explore usage of the sendfile api via java.nio.channels.FileChannel.transfer{To|From} for i/o in datanodes - HDFS - [issue]
...We could potentially gain a lot of performance by using the sendfile system call:$ man sendfileDESCRIPTION       This  call  copies  data between one file ...
http://issues.apache.org/jira/browse/HDFS-281    Author: Arun C Murthy, 2014-07-17, 19:54
[HDFS-390] Hadoop daemons should support generic command-line options by implementing the Tool interface - HDFS - [issue]
...Hadoop daemons (NN/DN/JT/TT) should support generic command-line options (i.e. -nn / -jt/ -conf / -D) by implementing the Tool interface.This is particularly useful for cases where the maste...
http://issues.apache.org/jira/browse/HDFS-390    Author: Arun C Murthy, 2014-07-17, 19:17
[expand - 7 more] - Re: [VOTE] Release Apache Hadoop 2.4.1 - HDFS - [mail # dev]
...With 12 +1s (4 binding), 1 -0 and no -1s the vote passes. I'll push the bits out shortly.Thanks to everyone who voted.thanks,ArunOn Jun 20, 2014, at 11:51 PM, Arun C Murthy  wrote:Arun ...
   Author: Arun C Murthy, 2014-06-30, 06:49
[expand - 1 more] - Re: [VOTE] Change by-laws on release votes: 5 days instead of 7 - HDFS - [mail # dev]
...With 26 +1s (19 binding) and no -1s the vote passes. Thanks to everyone who voted.I'm sure every RM who needs to spin rc1+ hence will appreciate this! *smile*thanks,ArunOn Jun 24, 2014, at 1...
   Author: Arun C Murthy, 2014-06-30, 06:47
[expand - 1 more] - Re: Moving to JDK7, JDK8 and new major releases - HDFS - [mail # dev]
...On Jun 24, 2014, at 4:22 PM, Andrew Wang  wrote:I think there is a some confusion/misunderstanding here.With hadoop-2 the user is completely in control of his own classpath (we had a si...
   Author: Arun C Murthy, 2014-06-25, 04:30
[expand - 3 more] - Re: hadoop-2.5 - June end? - HDFS - [mail # dev]
...Thanks Karthik!I've updated https://wiki.apache.org/hadoop/Roadmap with features which are very close to completion. Let's see if that makes sense and if we get any further feedback.ArunOn J...
   Author: Arun C Murthy, 2014-06-23, 21:24
[expand - 1 more] - Re: Plans of moving towards JDK7 in trunk - HDFS - [mail # dev]
...After further consideration, here is an alternate.On Jun 21, 2014, at 11:14 AM, "Arun C. Murthy"  wrote:Looking at the big picture, I believe the users of Apache Hadoop would be better ...
   Author: Arun C Murthy, 2014-06-22, 00:59
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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