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Re: Hadoop Common: Why not re-use the Security model offered by SELINUX? - Hadoop - [mail # dev]
...Tools like freeipa and so on are very synergistic first steps down the roadof making hadoop more enterprise friendly.  For example, if you let freeipamanage users, kerberos and so on - ...
   Author: jay vyas, 2015-03-28, 02:34
Re: What skills to Learn to become Hadoop Admin - Hadoop - [mail # user]
...Setting up vendor distros is a great first step.1) Running TeraSort and benchmarking is a good step.  You can also runlarger, full stack hadoop applications like bigpetstore, which we c...
   Author: jay vyas, 2015-03-07, 16:36
Re: Interview Questions asked for Hadoop Admin - Hadoop - [mail # user]
...Hi krish.Im going to interpret this as "What is a real world hadoop project workloadi can run to study for my upcoming job interview" :) ...You could look herehttps://github.com/apache/bigto...
   Author: jay vyas, 2015-02-12, 18:51
[HADOOP-10723] FileSystem deprecated filesystem name warning : Make error message HCFS compliant - Hadoop - [issue]
...In the FileSystem.java class we've found that if we have an alternative filesystem (i.e. xyz://) and we enter it without slashes, we get an hdfs specific error message.  There are two p...
http://issues.apache.org/jira/browse/HADOOP-10723    Author: jay vyas, 2014-11-28, 14:55
[expand - 2 more] - Re: Hadoop Learning Environment - Hadoop - [mail # user]
...Hey ! I forgot, you have to run "vagrant plugin install hostmanager" ,then it will work for you.... (seehttps://github.com/apache/bigtop/tree/master/bigtop-deploy/vm/vagrant-puppet/READ...
   Author: jay vyas, 2014-11-05, 19:52
[HADOOP-11251] Confirm that all contract tests are run by LocalFS - Hadoop - [issue]
...We need to make sure each of the contract FS tests are run.For example, HADOOP-11244 shows that some might not be run by RawLocalFS, meaning the tests arent actually verified.This is sort of...
http://issues.apache.org/jira/browse/HADOOP-11251    Author: jay vyas, 2014-10-30, 20:25
Re: Need some help with RecordReader - Hadoop - [mail # user]
...great question .  i like the idea of using the existing FASTA Record Readerif it works for you.In general, you should know that this isnt too hard: If you want toimplement your own - he...
   Author: jay vyas, 2014-10-29, 01:16
Re: - Hadoop - [mail # user]
...See https://wiki.apache.org/hadoop/HCFS/YES Yarn is written to the FileSystem interface.  It works on S3FileSystemand GlusterFileSystem and any other HCFS.We have run , and continue to ...
   Author: jay vyas, 2014-09-26, 18:41
Re: how to setup Kerberozed Hadoop ? - Hadoop - [mail # user]
...Once you read the the docs and get a base understanding.. here is my recipeyou can try for a maintainable , easy to manage setup.- Puppet-IPA (puppet recipe for FreeIPA for setting up kerber...
   Author: jay vyas, 2014-09-15, 20:44
[HADOOP-11072] better Logging in  DNS.java - Hadoop - [issue]
...The DNS.java class should be more informative, and possibly fail early when reverse  DNS is broken.  Right now it is vulnerable to a cryptic ArrayIndex exception.parts = hostIp.get...
http://issues.apache.org/jira/browse/HADOOP-11072    Author: jay vyas, 2014-09-06, 03:04
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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