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[expand - 2 more] - Re: Optimize hive external tables with serde - Hive - [mail # user]
...ad 1) My files are not bigger than Block Size. To be precise all data fromone day are up to 2GB gzipped. Unzipped they are ~15GB. The are split inone folder into files less then block size (...
   Author: ptrstpppp, 2014-10-22, 08:03
[expand - 2 more] - Re: Possible bug with max() together with rank() and grouping sets - Hive - [mail # user]
...Not sure. The issue you mentioned requires specifying additional columns,whereas the one I mentioned return obviously incorrect results, which seemsto be much more severe issue.Can anybody t...
   Author: Michal Krawczyk, 2014-10-22, 07:40
USE CASE:: Hierarchical Structure in Hive and Java - Hive - [mail # user]
...Hello All,We are having a use case where we need to create the hierarchical structureusing Hive and JavaFor exampleLets say in an organisation we need to create Org charti.e. Senior director...
   Author: yogesh dhari, 2014-10-22, 05:56
Maven build error while building hive 0.14 - Hive - [mail # user]
...Hello,I needed to use 'org.apache.hadoop.hive.contrib.serde2.MultiDelimitSerDe'as this is only available from the 0.14 onwords. I though to get the sourceand compile hive 0.14. I installed t...
   Author: Niranjan Sarvi, 2014-10-22, 03:19
[expand - 5 more] - Re: String to Timestamp conversion bug - Hive - [mail # user]
...FYI it looks like this has to do with the representation of timestamps during vectorized execution - timestamps are represented as a long value representing nanoseconds since the epoch, thus...
   Author: Jason Dere, 2014-10-21, 21:59
[expand - 1 more] - Re: Migration of metastore tables from mysql to oracle. - Hive - [mail # user]
...First question, Why are u migrating to Oracle ? Since u never store data on Hive Metastore MYSQL is a great choice. I have done a MYSQL to MYSQL transfer From the source DB mysql dump, it sh...
   Author: Sanjay Subramanian, 2014-10-21, 21:24
[expand - 2 more] - Re: select * from table and select column from table in hive - Hive - [mail # user]
...One way to debug is to put bash in actionsay you have a data file in hdfs (/data/rockers/rockers.csv) that looks like cust_num,cust_name,instrument1,paul,bass2,john,rhythm3,ringo,drums4,geor...
   Author: Sanjay Subramanian, 2014-10-21, 21:19
[expand - 1 more] - Re: UDF related: org.apache.hive.com.esotericsoftware.kryo.KryoException - Hive - [mail # user]
...The states in UDF(which is represented as "states SomeClass3") are needed?If it's not, you can try them mark as a transient field.Thanks,Navis2014-10-20 23:59 GMT+09:00 Harel Gliksman : ...
   Author: Navis류승우, 2014-10-21, 07:02
[expand - 9 more] - create table exception - Hive - [mail # user]
...what could be the reason for create table test_table(a int);FAILED: Error in metadata: MetaException(message:javax.jdo.JDOException:Couldnt obtain a new sequence (unique id) : Binary lo...
   Author: Shushant Arora, 2014-10-20, 20:49
[expand - 1 more] - Re: HIVE::START WITH and CONNECT BY implementation in Hive - Hive - [mail # user]
...Look up "Transitive Closure"It's a fast technique to analyze hierarchical data w/o proprietary SQL extensions.- DouglasOn Oct 20, 2014, at 3:12 AM, yogesh dhari > wrote:Hello AllHow can w...
   Author: Moore, Douglas, 2014-10-20, 20:29
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