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Get arguments' names in Hive's UDF - Hive - [mail # user]
...Hi all,  Is there any api to retrieve the parameter's column name in GenericUDF? For example:  Select UDFTEST(columnA,columnB) from test;  I want to get the column names("colu...
   Author: Felix.徐, 2013-07-22, 03:29
Possible to specify reducers for each stage? - Hive - [mail # user]
...Hi all,  Is it possible to specify reducer number for each stage ? how?  thanks!...
   Author: Felix.徐, 2013-07-03, 04:58
Re: Performance difference between tuning reducer num and partition table - Hive - [mail # user]
...Hi Dean,  Thanks for your reply. If I don't set the number of reducers in the 1st run , the number of reducers will be much smaller and the performance will be worse. The total output f...
   Author: Felix.徐, 2013-07-01, 02:12
Re: Overwrite by selected data from table itself? - Hive - [mail # user]
...I've done in this way many times , there must be some errors in your script , you may paste your script here.   2013/5/30 Stephen Sprague  ...
   Author: Felix.徐, 2013-05-30, 01:42
How to change the separator of INSERT OVERWRITE LOCAL DIRECTORY - Hive - [mail # user]
...Hi all,  I am wondering how to change the fields separator of INSERT OVERWRITE LOCAL DIRECTORY , does anyone have experience doing this ? thanks!...
   Author: Felix.徐, 2013-05-29, 08:37
Bugs exist in SEMI JOIN? - Hive - [mail # user]
...Hi, I am using the version 0.9.0 and my tables are the same with TPC-H benchmark:  Here is a simple query(works correctly):  *Q1* INSERT OVERWRITE TABLE customer_orders_statistics ...
   Author: Felix.徐, 2012-11-21, 08:52
Can I get JobID via HookContext? - Hive - [mail # user]
...Hi,all.Since HookContext is able to get the progress of a stage?Is it possible to fetch the JobID also?I want to get the mapping between stage and JobID, does anyone have experience? Thanks!...
   Author: Felix.徐, 2012-03-24, 07:08
Is it possible to fetch Job ID via HookContext? - Hive - [mail # user]
...Hi , I find that I can get the progress of stages via HookContext.Does anyone have experience getting job ids via HookContext?...
   Author: Felix.徐, 2012-03-23, 10:30
What is the rule of job name generation in Hive? - Hive - [mail # user]
...Hi,all..I find that the job names of Hive are like this " INSERT OVERWRITE TABLE u...userID,neighborid(Stage-4) " What is the rule of generating such a name?...
   Author: Felix.徐, 2012-03-22, 07:18
Re: How to get job names and stages of a query? - Hive - [mail # user]
...I actually want to get the job name of stages by api..  在 2012年3月20日 下午2:23,Manish Bhoge 写道:  ...
   Author: Felix.徐, 2012-03-20, 07:14
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