hive on tez not convert map join to broadcast join

string), comb_prod_id (type: bigint) r7raul1...@163.com

hive on tez optimize MRR to MR?

select userid,count(*) from u_data group by userid order by useridwill product MRR. I think when the result of userid,count(*) is small(one reduce can process the result) . This query plan can optimize to MR ? r7raul1...@163.com

Re: Re: hive 0.14 on some platform return some not NULL value as NULL

I use hive 0.14 to use hive 0.10 metastroe server .The problem fixed. Now hive 0.14 return correct result. r7raul1...@163.com From: r7raul1...@163.com Date: 2015-04-07 10:34 To: dev CC: thejas.nair Subject: Re: Re: hive 0.14 on some platform return some not NULL value as NULL I found

Re: Re: hive 0.14 on some platform return some not NULL value as NULL

0.14 lost some column info. Why? BTW, My meta database schema is hive 0.10 not update to hive 0.14. r7raul1...@163.com From: r7raul1...@163.com Date: 2015-04-02 15:36 To: dev CC: thejas.nair Subject: Re: Re: hive 0.14 on some platform return some not NULL value as NULL DDL is CREATE TABLE

Re: Re: Is it necessary to update beelinepositive q.out files?

0.14 lost some column info. Why? BTW, My meta database schema is hive 0.10 not update to hive 0.14. r7raul1...@163.com From: Thejas Nair Date: 2015-04-02 15:29 To: dev Subject: Re: Is it necessary to update beelinepositive q.out files? beeline tests have been disabled for a while and and i

Re: Re: hive 0.14 on some platform return some not NULL value as NULL

Sorry ,I check my production jdk is java version "1.7.0_45" not java version "1.6.0_35" r7raul1...@163.com From: r7raul1...@163.com Date: 2015-04-02 17:01 To: dev Subject: Re: Re: hive 0.14 on some platform return some not NULL value as NULL I download full data f

Re: Re: hive 0.14 on some platform return some not NULL value as NULL

I download full data from hdfs. Then load data into my table. In my test enviroment. Everything is ok. My production is hadoop 2.3.0-cdh 5.0.2 REDHAT 5.8 java version "1.6.0_35" r7raul1...@163.com From: r7raul1...@163.com Date: 2015-04-02 16:57 To: dev Subject: Re: Re: hi

Re: Re: hive 0.14 on some platform return some not NULL value as NULL

In my test enviroment . I use hive 0.14 ,hive 1.1.0 ,the result is ok. But in production enviroment ,the result is not correct. r7raul1...@163.com From: Thejas Nair Date: 2015-04-02 16:41 To: r7raul1...@163.com CC: dev Subject: Re: Re: hive 0.14 on some platform return some not NULL value

Re: Re: hive 0.14 on some platform return some not NULL value as NULL

art_tracker_id, a1.end_user_id, a1.cart_track_time FROM dw.fct_traffic_navpage_path_detl a1 WHERE a1.ds = '2015-01-19' ANDa1.cart_tracker_id > 0 AND(a1.cart_button_position IS NULL OR length(a1.cart_button_position) = 0) AND a1.sessn_id IN ('Y49EY895

hive 0.14 on some platform return some not NULL value as NULL

bytes detected at the end of the row! Ignoring similar problems. r7raul1...@163.com