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52 discussions - 182 posts

  • Hi Everybody, I am using Apache's Hadoop-0.20.2 and Apache's Hive-0.7.0. I have a 2 node cluster. One Redhat Linux 6.0(Hadoop Server) and other Windows 7 using Cygwin. The Hadoop cluster is working ...
    Aditya Singh30Aditya Singh30
    Nov 22, 2011 at 5:56 am
    Nov 23, 2011 at 2:23 pm
  • Hi list, I am new to hive and have encountered a problem. Settings in my conf/hive-site.xml file seem to have no effect. I've tried to set the HIVE_CONF_DIR variable, but this did not help. Any ...
    Denis KreisDenis Kreis
    Nov 22, 2011 at 6:56 pm
    Nov 25, 2011 at 7:55 am
  • Hi, Where do I find the log of what reducer key is causing the last reducer to go on for hours? The reducer logs don't say much about the key its processing. Is there a way to enable a debug mode ...
    Ayon SinhaAyon Sinha
    Nov 17, 2011 at 2:03 am
    Nov 22, 2011 at 7:13 am
  • Hi,  I am trying to build a hive UDAF which has dependencies on other external jars (like log4j) - is there a way in which I can bundle the main classes for my UDAF and all the dependent jars into ...
    Pradeep KamathPradeep Kamath
    Nov 7, 2011 at 6:22 pm
    Nov 7, 2011 at 7:56 pm
  • Hi, I am running the Cloudera CDH3 Hive distribution in pseudo-distributed mode on my local Mac OS Lion laptop. Hive generally works fine except when I use it together with Sqoop. A command like ...
    Jurgen Van GaelJurgen Van Gael
    Nov 28, 2011 at 11:17 pm
    Nov 29, 2011 at 10:27 pm
  • Hello HiveUsers, I have a need to convert a map<string,string field to string field and vice versa in a hive table. I could not do cast. I created two external tables with one has string and another ...
    Chalcy RajaChalcy Raja
    Nov 23, 2011 at 3:48 pm
    Nov 23, 2011 at 6:20 pm
  • I just have a quick and dirty implementation of a MongoDB storage handler for HIVE, the project is hosted on GitHub: https://github.com/yc-huang/Hive-mongo. Since Hive table do not support 'update' ...
    YC HuangYC Huang
    Nov 18, 2011 at 2:25 am
    Nov 18, 2011 at 8:30 am
  • Hi, Hive queries take longer time to execute, and by default it is a blocking call. Is there any way provided by Hive client to supports non blocking execution. Also, to execute jobs parallely, I ...
    Nov 15, 2011 at 10:13 am
    Nov 15, 2011 at 7:52 pm
  • Hi, I installed hive 0.7.1 to work with Hadoop 0.20.2. I have set up HADOOP_HOME and HIVE_HOME. I tried to use the Hive shell and got the following error: [hadoop@dnjsrcha01 hive]$ bin/hive Hive ...
    Jian FangJian Fang
    Nov 4, 2011 at 4:20 pm
    Dec 22, 2011 at 5:08 pm
  • Hi, We always get this exception for any hive query we run. org.apache.hadoop.hive.ql.stats.jdbc.JDBCStatsPublisher: Error during JDBC Many Thanks, Ghousia.
    Nov 28, 2011 at 5:14 am
    Nov 29, 2011 at 2:31 pm
  • I have followed https://cwiki.apache.org/confluence/display/Hive/HBaseIntegration my hbase is running finne here is the screen shot attachments for integrating hive with hbase. as i a trying to ...
    Shashwat shriparvShashwat shriparv
    Nov 29, 2011 at 8:03 am
    Nov 29, 2011 at 9:45 am
  • Hi, Do I need to make any change in hive configuration file when working with hive-jdbc? I'm trying to configure Hive Jdbc following this link ...
    Alok KumarAlok Kumar
    Nov 24, 2011 at 10:07 am
    Nov 24, 2011 at 1:49 pm
  • I'm running into the same issue, and I see that it's addressed in HIVE-2223. In the meantime, I'm getting an error when trying to use the reflect() function : SELECT ...
    Tucker, MattTucker, Matt
    Nov 17, 2011 at 2:43 pm
    Nov 22, 2011 at 7:40 pm
  • Hi All, When I run "ant clean package" in hive trunk, I see the following ant error message. http://pastebin.com/DkHbcCUL Has anyone encountered this error ? Thanks Vandana Ayyalasomayajula
    Vandana AyyalasomayajulaVandana Ayyalasomayajula
    Nov 9, 2011 at 10:15 pm
    Nov 11, 2011 at 11:35 pm
  • Hi, I have setup a two node hadoop cluster, and tested it by running examples provided with Hadoop. Examples are working fine. then I tried to run hive on the cluster. I was able to create tables and ...
    Aditya Singh30Aditya Singh30
    Nov 8, 2011 at 11:48 am
    Nov 10, 2011 at 12:23 am
  • Hi, Does anyone know how to handle hyphens in any of the following? Specifically, we have a user with a hyphenated username – and I can't figure out a way to add him to a certain role. No amount of ...
    Sriram KrishnanSriram Krishnan
    Nov 1, 2011 at 1:29 am
    Nov 1, 2011 at 2:57 pm
  • Hi, I'm running Hive 0.7.1 with a remote metastore (Derby) on Hadoop 0.20.2. Is there a reason that CREATE and DROP commands when translated into HDFS operations are run as the remote Hive metastore ...
    Alex HolmesAlex Holmes
    Nov 29, 2011 at 2:07 am
    Nov 30, 2011 at 7:02 am
  • We are building an application that involves chains of M/R jobs, most likely all will be written in Hive. We need to start a Hive job when one or more prerequisite data sets appear (defined in the ...
    William KornfeldWilliam Kornfeld
    Nov 30, 2011 at 12:28 am
    Nov 30, 2011 at 6:10 am
  • My colleague has a Heroku-based startup and they are just getting started with Hadoop and Hive. They’re evaluating running Hive in EC2/S3 versus buying a handful of boxes and installing CDH. One nice ...
    Loren SiebertLoren Siebert
    Nov 22, 2011 at 8:15 pm
    Nov 22, 2011 at 8:53 pm
  • Hello list, I am totally new to hive and I am trying to integrate Hive and Hbase. I was able to create table in HDFS properly, but when I tried it for Hbase I ran into the following error - ...
    Mohammad TariqMohammad Tariq
    Nov 30, 2011 at 3:03 pm
    Nov 30, 2011 at 7:33 pm
  • Hi, I was wondering if there is an option to trigger queries. I use cloudera CDH3. I have tables in Hive which have textiles as input. I use Pentaho Data Integrator for ETL - I have to "clean" and ...
    Ibrahim AcetIbrahim Acet
    Nov 28, 2011 at 7:42 am
    Nov 30, 2011 at 5:20 pm
  • Hi, I have read that hadoop supports native operations over S3 Filesystem so you're able to perform operations like: hadoop fs -ls s3n://mybucket/my_folder/ or: hadoop fs -copy ...
    Raimon BoschRaimon Bosch
    Nov 11, 2011 at 6:40 pm
    Nov 23, 2011 at 2:37 pm
  • Hey everyone, I'm having issues trying to execute a simple join on two tables that are in the same database namespace. I'm trying to following: SELECT namespace.table1.* FROM namespace.table1 JOIN ...
    Daniel GodfreyDaniel Godfrey
    Nov 20, 2011 at 4:44 am
    Nov 20, 2011 at 6:53 am
  • Hey all, I'm having some trouble with the HBase bulk load, following the instructions from https://cwiki.apache.org/confluence/display/Hive/HBaseBulkLoad. In the last step ("Sort Data") I get: ...
    Ben WestBen West
    Nov 17, 2011 at 7:00 pm
    Nov 18, 2011 at 5:44 pm
  • Hi, guysI want to load some data files which including Chinese words.Currently, I found Hive can't display it well.Is there some setting/properties that I can configure to resolve this? Thanks,Bing
    Bing LiBing Li
    Nov 2, 2011 at 1:39 pm
    Nov 8, 2011 at 11:36 pm
  • Hey there, it's my first msg here. I'm trying to work with hive server by connecting with its jdbc driver... I have already hadoop and hive cli working... I'm using this exemple of jdbc client: ...
    Melchiades Blanco JuniorMelchiades Blanco Junior
    Nov 4, 2011 at 6:54 pm
    Nov 7, 2011 at 6:03 pm
  • Hi, I am trying to integrate Hive and HBase using Cloudera cdh3u1, but still can't get it to work? Anyone has any success? Thank you, Wei Shung
    Weishung ChungWeishung Chung
    Nov 2, 2011 at 5:56 pm
    Nov 4, 2011 at 10:17 am
  • Hi I have problem with loading data into RCFILE table from local file system. I am using hive 0.7.1 of cloudera's distribution. 1.create table create table test(c1 int,c2 string) ROW FORMAT DELIMITED ...
    Weimin zhuWeimin zhu
    Nov 2, 2011 at 8:43 am
    Nov 4, 2011 at 9:11 am
  • Hi All, I am using hive 0.7 on Amazon EMR. I need to merge a large number of small files into a few larger files( basically merging a number of partitions for a table into one). On doing the obvious ...
    Mohit GuptaMohit Gupta
    Nov 30, 2011 at 7:19 am
    Nov 30, 2011 at 8:07 am
  • I'm trying to find documentation as to what changes in the metastore structure are necessary going from 0.7 to the 0.8RCs, and am failing. Does that mean there is none, or I'm just not very good at ...
    Jakob HomanJakob Homan
    Nov 29, 2011 at 11:25 pm
    Nov 29, 2011 at 11:35 pm
  • Hey devs, My Hive reducers are running for too long. I wan't to profile Hive and collect metrics so as to find where most of the time is spent in execution. Can any one tell me where to start ? Are ...
    John smithJohn smith
    Nov 16, 2011 at 7:43 pm
    Nov 23, 2011 at 2:33 pm
  • Hi, I have a query about hadoop, this is very important for capacity planning and requesting new hardware. Hadoop command: *hadoop dfsadmin –report* depicts the DFS usage and DFS remaning. I have ...
    Abhishek Pratap SinghAbhishek Pratap Singh
    Nov 22, 2011 at 3:35 pm
    Nov 22, 2011 at 3:43 pm
  • Hello everybody I had a problem when I used hive0.6 metastore. Is such There are a lot of timing task in my application run at 09 am to 11am every day, i Don't know from when to begin , a task got a ...
    Nov 17, 2011 at 9:21 am
    Nov 17, 2011 at 10:47 am
  • Hey all, I'm just getting started with Hive, and am trying to follow the instructions on https://cwiki.apache.org/confluence/display/Hive/HBaseBulkLoad. I can create my table fine, but when I run ...
    Ben WestBen West
    Nov 15, 2011 at 8:46 pm
    Nov 15, 2011 at 10:45 pm
  • Hi, I am working on integrating Hive with HCatalog. My main issue is that HCatalog makes a call to add_partitions(List<Partitions ), which, correct me if I'm wrong, was only implemented in Hive 0.8 ...
    Charles MenguyCharles Menguy
    Nov 14, 2011 at 9:33 pm
    Nov 14, 2011 at 9:43 pm
  • (a) I would like to know what are the key differences between Hadoop distributed by Apache and Hadoop distributed by Cloudera (i.e. CDH). (b) When should one go for Apache's distribution of Hadoop ...
    Agarwal, Ravindra \(ASG\)Agarwal, Ravindra \(ASG\)
    Nov 3, 2011 at 3:27 pm
    Nov 3, 2011 at 4:31 pm
  • Would https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select#LanguageManualSelect-REGEXColumnSpecification work for you in the meantime? From: Chen Song Sent: Monday, October 31, 2011 ...
    Steven WongSteven Wong
    Nov 2, 2011 at 2:20 am
    Nov 2, 2011 at 2:45 am
  • Hi, In the below stack trace i found that shims not able to get the version number or it is giving wrong numbers so it is not able get the class name and class name coming as null. "Could not load ...
    Chinna Rao LalamChinna Rao Lalam
    Nov 29, 2011 at 11:55 am
    Nov 29, 2011 at 11:55 am
  • Hi, My setup is hadoop- hive-0.7.1 I am using a java program that uses LOAD DATA LOCAL INPATH query to insert files into a hive table. My program is trying to insert almost 2500+ files ...
    Savant, KeshavSavant, Keshav
    Nov 25, 2011 at 8:52 am
    Nov 25, 2011 at 8:52 am
  • hey Folks, I have some Queries regarding Hbase 1) When ever i try to update the latest record and read later from the client the reading time increases as the frequency of updates increase to more ...
    Vikas SrivastavaVikas Srivastava
    Nov 17, 2011 at 12:02 pm
    Nov 17, 2011 at 12:02 pm
  • After a month's hiatus for Hadoop World, we're back! The December Hadoop meetup will be held Wednesday, December 14, from 6pm to 8pm. This meetup will be hosted by Splunk at their office on Brannan ...
    Aaron KimballAaron Kimball
    Nov 16, 2011 at 9:23 pm
    Nov 16, 2011 at 9:23 pm
  • Hey there, has anyone ever used hive as a Jboss datasource? I've created this persistence.xml <persistence-unit name=*"bookmark-ds*" transaction-type="RESOURCE_LOCAL" <non-jta-data-source ...
    Melchiades Blanco JuniorMelchiades Blanco Junior
    Nov 16, 2011 at 7:57 pm
    Nov 16, 2011 at 7:57 pm
  • Hi, We are planning to use HSQL as a metastore. Has anyone tried using hsql. Or are there any issue with using HSQL, our design is such that each query will have its own DDL/DMLs. Thanks, -Ghousia.
    Nov 16, 2011 at 5:37 am
    Nov 16, 2011 at 5:37 am
  • hey Folks, I have some Queries regarding Hbase 1) When ever you try to update the latest record and read later from the client the reading time increases as the frequency of updates increase to more ...
    Vikas SrivastavaVikas Srivastava
    Nov 14, 2011 at 11:21 am
    Nov 14, 2011 at 11:21 am
  • Yu xiangYu xiang
    Nov 7, 2011 at 2:47 am
    Nov 7, 2011 at 2:47 am
  • Hi, I am trying to build hive trunk from source and getting the following ivy retrieve error. http://pastebin.com/SsA8AZj8 I downloaded the hive source from trunk and ran the " ant clean package" ...
    Vandana AyyalasomayajulaVandana Ayyalasomayajula
    Nov 6, 2011 at 2:18 am
    Nov 6, 2011 at 2:18 am
  • LiliangzhiLiliangzhi
    Nov 4, 2011 at 9:59 am
    Nov 4, 2011 at 9:59 am
  • I can't seem to use explode with subqueries. This is what I'm trying: select user, requestid from ( select user, requestid_list from logs where ... ) t lateral view explode(requestid_list) as ...
    Nov 3, 2011 at 11:36 pm
    Nov 3, 2011 at 11:36 pm
  • Hello Hadoopers ! Are you attending Hadoop World in New York on November 8? This is your invitation to join Greenplum and other industry innovators in celebrating the Hadoop Movement. The Elephant in ...
    Milind BhandarkarMilind Bhandarkar
    Nov 3, 2011 at 5:12 pm
    Nov 3, 2011 at 5:12 pm
  • Hi Experts       I'm struck with a problem with merging the smaller output files produced as part of hive jobs. To test merging I did set the following parameters set ...
    Bejoy KsBejoy Ks
    Nov 3, 2011 at 11:20 am
    Nov 3, 2011 at 11:20 am
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80 users for November 2011

Mark Grover: 12 posts Aditya Singh30: 8 posts Shashwat shriparv: 8 posts Florin Diaconeasa: 7 posts Alexander C.H. Lorenz: 6 posts Chinna Rao Lalam: 5 posts Sriram Krishnan: 5 posts Vikas Srivastava: 5 posts Ashutosh Chauhan: 4 posts Ayon Sinha: 4 posts Ben West: 4 posts Denis Kreis: 4 posts Ghousia: 4 posts Pradeep Kamath: 4 posts Steven Wong: 4 posts Alok Kumar: 3 posts Bejoy Ks: 3 posts Chalcy Raja: 3 posts Jurgen Van Gael: 3 posts Melchiades Blanco Junior: 3 posts
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