Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 11 to 20 from 30 (0.074s).
Loading phrases to help you
refine your search...
very quick if i query hdfs data ,but very slow when i query hbase data ,why? - Hive - [mail # user]
...hi,all:    i have a question ,when my table data is on hdfs,it's very quick,but when table data on hbase ,it's very slow when i query use hive,why?...
   Author: ch huang, 2013-09-11, 05:45
high gc time ,how do tuning? - Hive - [mail # user]
...hive> select page_url,concat_ws('&', map_keys(UNION_MAP(MAP(first_category,'fcategory')))) as fcategorys , token,concat_ws('&', map_keys(UNION_MAP(MAP(concat(original_category,',',weight)...
   Author: ch huang, 2013-08-22, 03:22
execute hive query error "Error: GC overhead limit exceeded" - Hive - [mail # user]
...HI,ALL: i execute a query ,but error,any one know what happened? BTW i use yarn framework  2013-08-22 09:47:09,893 Stage-1 map = 28%,  reduce = 1%, Cumulative CPU 4140.64 sec 2013-...
   Author: ch huang, 2013-08-22, 02:06
question about hive SQL - Hive - [mail # user]
...hi,all:        i do not very familar with HQL, and my problem is ,now i have 2 queries   Q1: select page_url, original_category,token from media_visit_info group by ...
   Author: ch huang, 2013-08-19, 09:04
question about get part result from hive - Hive - [mail # user]
...hi,all:       i have a problem ,i have a hive table ,it source data based on HDFS,and i want to get part query result for processing(the whole data is huge,so must load partly...
   Author: ch huang, 2013-08-19, 03:16
can hive do paging query result? - Hive - [mail # user]
...the limit cause has no offset option,how to page result query by hive?...
   Author: ch huang, 2013-08-19, 02:46
Re: how to let hive support lzo - Hive - [mail # user]
...# hbase org.apache.hadoop.hbase.util.CompressionTest hdfs://CH22:9000/alex/my.txt lzo 13/07/22 13:27:58 WARN conf.Configuration: hadoop.native.lib is deprecated. Instead, use io.native.lib.a...
   Author: ch huang, 2013-07-22, 05:41
error in running hive query - Hive - [mail # user]
...why the task failed? anyone can help?   hive> select cookieid,count(url) as visit_num from alex_test_big_seq group by cookieid order by visit_num desc limit 10;  MapReduce Total...
   Author: ch huang, 2013-07-19, 09:22
can partition and bucket used on external table? - Hive - [mail # user]
...ATT...
   Author: ch huang, 2013-07-19, 02:24
Re: hive query is very slow,why? - Hive - [mail # user]
...the table records are more than 120000000  On Fri, Jul 19, 2013 at 9:34 AM, Stephen Boesch  wrote:  ...
   Author: ch huang, 2013-07-19, 02:08
Sort:
project
HBase (64)
MapReduce (57)
Hadoop (51)
HDFS (41)
Hive (30)
Sqoop (7)
Zookeeper (7)
Flume (3)
Spark (2)
type
mail # user (30)
date
last 7 days (0)
last 30 days (0)
last 90 days (2)
last 6 months (3)
last 9 months (30)
author
Namit Jain (645)
Carl Steinbach (417)
Zheng Shao (382)
Brock Noland (310)
Ashutosh Chauhan (298)
Edward Capriolo (297)
Navis (277)
Gunther Hagleitner (221)
John Sichi (212)
Thejas M Nair (197)
Lefty Leverenz (190)
Xuefu Zhang (181)
Ning Zhang (171)
Kevin Wilfong (152)
He Yongqiang (139)
Sergey Shelukhin (135)
Harish Butani (121)
Eugene Koifman (118)
Thejas Nair (113)
Eric Hanson (108)
Jason Dere (108)
Nitin Pawar (107)
Prasad Mujumdar (104)
Vaibhav Gumashta (103)
Szehon Ho (102)
ch huang