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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
Re: Tez and MapReduce - Hadoop - [mail # user]
...Yes as an example of running a mapreduce job followed by a tez you can seeour last post on thishttps://blogs.apache.org/bigtop/entry/testing_apache_tez_with_apache .  Youcan see in the ...
   Author: jay vyas, 2014-09-02, 00:24
[HADOOP-10461] Create an extensible single point entry for of HCFS tests - using RawLocalFileSystem as example impl. - Hadoop - [issue]
...Currently alot of manual inheritance and stub classes are required in order to run the FileSystemBaseContract and FSMainOperations tests.   This means that the HCFS Test suite for any g...
http://issues.apache.org/jira/browse/HADOOP-10461    Author: jay vyas, 2014-08-20, 19:30
Re: hadoop/yarn and task parallelization on non-hdfs filesystems - Hadoop - [mail # user]
...Your FileSystem implementation should provide specific tuning parametersfor IO.For example, in the GlusterFileSystem, we have a buffer parameter that istypicallyembedded into the core-site.x...
   Author: jay vyas, 2014-08-15, 15:38
Re: Hadoop 2.4 test jar files. - Hadoop - [mail # user]
...FYI, the FS tests have just been overhauled and im not sure if those jarshave the latest FS tests (hadoop-9361).  For those tests its easy to addthem by building hadoop and just adding ...
   Author: jay vyas, 2014-07-22, 19:30
Re: Bench-marking Hadoop Performance - Hadoop - [mail # user]
...There are alot of tests out there and it can be tough to determine what isa "standard".- TeraGen/TearSort and testdfsio are starting points.- Various other non apache projects (such as ycsb ...
   Author: jay vyas, 2014-07-22, 17:18
[HADOOP-10405]  CLOVER coverage analysis for Hadoop-Commoon tests - Hadoop - [issue]
...Part of the HCFS initiative involves defining test coverage goals for the FileSystem interface.  To do this we first need to evaluate existing coverage.We can't directly measure test co...
http://issues.apache.org/jira/browse/HADOOP-10405    Author: jay vyas, 2014-07-19, 20:07
Re: Hadoop virtual machine - Hadoop - [mail # user]
...I really like the Cascading recipes above, thanks for sharing that !Also we have *apache bigtop vagrant recipes* which we curate for this kindof thing, which are really useful.  You can...
   Author: jay vyas, 2014-07-06, 18:01
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