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[expand - 2 more] - Re: Error : "Cannot create a path from empty string" - Hive - [mail # user]
...Sorry for the delay in responding.I am not trying to run a separate job/query on the intermediate output ofanother job/query.The error is happening in a multi-job mapreduce query. When one s...
   Author: Viral Bajaria, 2015-05-15, 19:45
Re: Partition Columns - Hive - [mail # user]
...Hi Appan,In my experience I have seen that Query 2 does not use partition pruningbecause it's not a straight up filtering and involves using functions (akaUDFs).What version of Hive are you ...
   Author: Viral Bajaria, 2015-05-14, 22:37
[expand - 1 more] - Re: Hive job name - Hive - [mail # user]
...We use the hive.job.name property to set meaningful job names. Look intousing that before submitting queries.Thanks,ViralOn Mon, Mar 9, 2015 at 2:47 PM, Alex Bohr  wrote: ...
   Author: Viral Bajaria, 2015-03-09, 22:37
[expand - 2 more] - weird alter table commands running on hive metastore - Hive - [mail # user]
...Hi,I am seeing a bunch of "ALTER TABLE" commands running on my hive metastore(MySQL / MariaDB) and it happens whenever I run the Hive CLI.Why would running a Hive CLI issue ALTER TABLE comma...
   Author: Viral Bajaria, 2014-12-05, 00:04
[expand - 1 more] - dynamic partitioning issues in hive 0.13.0 - Hive - [mail # user]
...Hi,I have been running into 2 issues with dynamic partitioning queries.The query runs fine and I get errors like:*Failed with exceptionMetaException(message:javax.jdo.JDODataStoreException: ...
   Author: Viral Bajaria, 2014-12-01, 22:48
[expand - 1 more] - issue with hive wide tables/views - Hive - [mail # user]
...Hi,I have a table which ended up having 3K+ columns. The building of the tablewasn't that painful, but the part where things suck is when creating VIEWson top of that table.1 of the views th...
   Author: Viral Bajaria, 2014-11-26, 19:24
[expand - 1 more] - hive 0.13.0 guava issues - Hive - [mail # user]
...Hi,We just upgraded from hive 0.11.0 to 0.13.0 (finally!!)So I noticed that for hive-exec jar, guava is packaged in the jar v/spreviously it wasn't.Any reason it is package now ?Secondly, is...
   Author: Viral Bajaria, 2014-09-26, 23:00
Re: collect_set does not remove duplicate - Hive - [mail # user]
...It will be helpful if you paste some sample data to repro. I have usedcollect_set and it works as documented for me.Thanks,ViralOn Sun, Sep 7, 2014 at 10:39 AM, Shushant Arora wrote: ...
   Author: Viral Bajaria, 2014-09-08, 07:56
config to disable optimization of sub query - Hive - [mail # user]
...Hi,I have the following query:SELECT  udf(column1, 'udf-param-1', 'udf-param-2')FROM  (     SELECT DISTINCT column1     FROM table1 &nb...
   Author: Viral Bajaria, 2014-08-27, 22:39
hive genericudf : possible to output column headers ? - Hive - [mail # user]
...Hi,I have a use-case where I want a UDF to return dynamic number of columnsbased on parameter.Consider a udf function called return_cols which takes two params, fieldsand a comma-separated l...
   Author: Viral Bajaria, 2014-04-07, 22:07
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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