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Heads-up: Say your goodbyes to -ROOT- - HBase - [mail # dev]
...It is on the way out.  I am about to commit JD's work over in https://issues.apache.org/jira/browse/HBASE-3171 where he purges all mention.  Speak now or forever hold your tongue (...
   Author: Stack, 2013-03-07, 23:58
Re: Running hadoop on directory structure - Hadoop - [mail # user]
...Here is a possible solution  To add a root directory structure such as the following    as InputPath, do the following     For the output to mirror the input and to ...
   Author: mlabour, 2013-03-07, 23:42
[expand - 12 more] - Re: reason to do major compaction after split - HBase - [mail # dev]
...sure having the hardlink support (HDFS-3370) solve the HFileLink hack but you still need to add extra metadata for splits (reference files)  also, if instead of files you think about ha...
   Author: Matteo Bertozzi, 2013-03-07, 23:36
[YARN-405] Add command start-up time to environment of a container to track launch costs - YARN - [issue]
...For applications like MapReduce, jvm launch cost has always been considered a factor in performance. Adding some basic information into the environment will allow an application to track its...
http://issues.apache.org/jira/browse/YARN-405    Author: Hitesh Shah, 2013-03-07, 23:34
Re: [DISCUSS] stabilizing Hadoop releases wrt. downstream - Hadoop - [mail # general]
...Thanks Bobby.  HBase trunk can build upon 2.0 SNAPSHOOT so that regression can be detected early.  On Tue, Mar 5, 2013 at 7:18 AM, Robert Evans  wrote:  ...
   Author: Ted Yu, 2013-03-07, 23:29
Rename external table, including HDFS directory - Hive - [mail # user]
...My understanding is that renaming and external table doesn't rename the corresponding HDFS directory to match.  I would like to do this; I want to rename the table in Hive and also rena...
   Author: Keith Wiley, 2013-03-07, 23:29
[HDFS-4457] WebHDFS obtains/sets delegation token service hostname using wrong config leading to issues when NN is configured with RPC IP - HDFS - [issue]
...If the NameNode RPC address is configured with an wildcard IP, then delegationotkens are configured with as service and this breaks clients trying to use those tokens.Looking...
http://issues.apache.org/jira/browse/HDFS-4457    Author: Alejandro Abdelnur, 2013-03-07, 23:07
Re: GC performance/benchmark - HBase - [mail # user]
...As a datapoint, here's what I see most of the time and it happens every couple of seconds:  GC [ParNew: 115977K->13041K(118016K), 0.0483400 secs] 18741375K->18641240K(25337088K), ...
   Author: Jean-Daniel Cryans, 2013-03-07, 23:06
[expand - 1 more] - Re: OutOfMemory during Plain Java MapReduce - HDFS - [mail # user]
...I had a look to the stacktrace and it says the problem is at the reducer: userSet.add(iterator.next().toString());  Error: Java heap space attempt_201303072200_0016_r_000002_0: WARN : m...
   Author: Christian Schneider, 2013-03-07, 23:05
difference between add jar in hive session and hive --auxpath - Hive - [mail # user]
...Hi,  I have a hive table which uses the jar file provided from the elephant-bird, which is a framework integrated between lzo and google protobuf data and hadoop/hive. If I use the hive...
   Author: java8964 java8964, 2013-03-07, 22:47
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