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Re: hdfs : Change supergroup - Hadoop - [mail # user]
...Changing the supergroup configuration would not affect the existing groupmaintained on the file inodes (its persisted since the beginning, notpulled dynamically from config at every restart)...
   Author: Harsh J, 2016-02-09, 03:26
Re: How does this work - Hadoop - [mail # user]
...Hue and Beeline access your warehouse data and metadata via the HiveServer2APIs. The HiveServer2 service runs as the 'hive' user.On Wed, Dec 23, 2015 at 9:42 PM Kumar Jayapal  wrote:&nb...
   Author: Harsh J, 2015-12-24, 17:43
Re: Utilizing snapshotdiff for distcp - Hadoop - [mail # user]
...You need to pass the -diff  option (works only when -update is active). The newer snapshot name canalso be "." to indicate the current view.On Sat, Dec 12, 2015 at 12:53 AM Nicolas Seri...
   Author: Harsh J, 2015-12-12, 06:32
[expand - 1 more] - Re: nodemanager listen on 0.0.0.0 - Hadoop - [mail # user]
...Hello,Could you file a JIRA for this please? Currently the ShuffleHandler willalways bind to wildcard address due to the code being that way (in bothbranch-2 and trunk presently:https://gith...
   Author: Harsh J, 2015-12-08, 16:27
[HADOOP-12549] Extend HDFS-7456 default generically to all pattern lookups - Hadoop - [issue]
...In HDFS-7546 we added a hdfs-default.xml property to bring back the regular behaviour of trusting all principals (as was the case before HADOOP-9789). However, the change only targeted HDFS ...
http://issues.apache.org/jira/browse/HADOOP-12549    Author: Harsh J, 2015-11-11, 22:08
[expand - 1 more] - Re: lzo error while running mr job - Hadoop - [mail # user]
...Every codec in the io.compression.codecs list of classes will beinitialised, regardless of actual further use. Since the Lzo*Codec classesrequire the native library to initialise, the failur...
   Author: Harsh J, 2015-10-27, 06:39
Re: Concurrency control - Hadoop - [mail # user]
...If all your Apps are MR, then what you are looking for is MAPREDUCE-5583(it can be set per-job).On Thu, Oct 1, 2015 at 3:03 PM Laxman Ch  wrote: ...
   Author: Harsh J, 2015-10-02, 02:07
[HADOOP-7945] Document that Path objects do not support ":" in them. - Hadoop - [issue]
...Until HADOOP-3257 is fixed, this particular exclusion should be documented. This is a major upsetter to many beginners....
http://issues.apache.org/jira/browse/HADOOP-7945    Author: Harsh J, 2015-10-01, 05:05
[HADOOP-9567] Provide auto-renewal for keytab based logins - Hadoop - [issue]
...We do a renewal for cached tickets (obtained via kinit before using a Hadoop application) but we explicitly seem to avoid doing a renewal for keytab based logins (done from within the client...
http://issues.apache.org/jira/browse/HADOOP-9567    Author: Harsh J, 2015-09-30, 09:42
[HADOOP-10002] Tool's config option wouldn't work on secure clusters - Hadoop - [issue]
...The Tool framework provides a way for clients to run without classpath *-site.xml configs, by letting users pass "-conf <file>" to parse into the app's Configuration object.In a secure...
http://issues.apache.org/jira/browse/HADOOP-10002    Author: Harsh J, 2015-09-28, 21:06
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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