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how does phoenix compare with Hive + HbaseInputFormat? - Phoenix - [mail # user]
...since Hive already has a complex sql engine, it would be less effort to usethat.I do admit that the JDBC driver from phoenix is very useful.are there other reasons to separately develop a SQ...
   Author: Yang, 2014-11-23, 00:47
in MR on YARN, can I change my applicationMaster code? - Hadoop - [mail # user]
...we are hit with this bug https://issues.apache.org/jira/browse/YARN-2175I could either change the NodeManager, or ApplicationMaster, but NM is partof the infrastructure installation and owne...
   Author: Yang, 2014-11-07, 00:10
random thought: rewrite Cassandra using Scala ? - Cassandra - [mail # user]
...I got introduced to Scala recently and found its features on Futures andFunction composition very neat.Cassandra utilizes Futures and essentially passing around functions (usinganonymous inn...
   Author: Yang, 2014-11-05, 00:21
[expand - 1 more] - Re: run arbitrary job (non-MR) on YARN ? - Hadoop - [mail # user]
...thanks!On Wed, Oct 29, 2014 at 2:38 PM, Kevin  wrote: ...
   Author: Yang, 2014-10-30, 22:07
possible to pass in a list of values as param ? - Hive - [mail # user]
...I have a query that does something likeSELECT * from mytable where my_id in ('1', '2', '3', '4' );now instead of hard coding the value list in the (), I'd like to pass it inas a paramI tried...
   Author: Yang, 2014-10-27, 21:58
[expand - 1 more] - Re: why does hadoop creates /tmp/hadoop-user/hadoop-unjar-xxxx/ dir and unjar my fat jar? - Hadoop - [mail # user]
...I thought this might be because that hadoop wants to pack everything(including the -files dfs cache files) into one single jar, so I removedthe -files commands I have.but it still extracts t...
   Author: Yang, 2014-10-25, 09:48
will I get conflict if I run 2 "INSERT INTO TABLE" in parallel ? - Hive - [mail # user]
...I have to run some processes in parallel, for different input datasets. ineach of the processes, one step is insertion into a hive table, shared byall these processes.would I get conflicts i...
   Author: Yang, 2014-10-23, 19:43
how to run a dev spark project without fully rebuilding the fat jar ? - Spark - [mail # user]
...during tests, I often modify my code a little bit  and want to see theresult.but spark-submit requires the full fat-jar, which takes quite a lot of timeto build.I just need to run in --...
   Author: Yang, 2014-10-23, 05:30
version mismatch issue with spark breeze vector - Spark - [mail # user]
...I'm trying to submit a simple test code through spark-submit. first portionof the code works fine, but some calls to breeze vector library fails:14/10/22 17:36:02 INFO CacheManager: Partitio...
   Author: Yang, 2014-10-23, 00:40
buffer overflow when running Kmeans - Spark - [mail # user]
...this is the stack trace I got with yarn logs -applicationIdreally no idea where to dig further.thanks!yang14/10/21 14:36:43 INFO ConnectionManager: Accepted connection from [phxaishdc9dn1262...
   Author: Yang, 2014-10-21, 21:45
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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