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45 discussions - 147 posts

  • I installed a CHD4 Free and Impala but i am getting this error when i am trying to start Impala? Supervisor returned FATAL: Error found before invoking supervisord: User [impala] does not exist.
    Senad ArucSenad Aruc
    Feb 7, 2013 at 9:29 am
    Feb 17, 2013 at 7:05 pm
  • Looking for feedback on our quick demo of Simba's integration of doing MDX queries over Cloudera's Impala for use with Microsoft Excel Pivot Tables. *http://youtu.be/kZahPE9Puv0* ...
    Feb 21, 2013 at 9:58 pm
    Jun 26, 2014 at 7:01 pm
  • Hi Experts, I downloaded impala-jdbc driver and trying to run a query on impala. I have started "hive2" server which I have configured to listen on 10002 port. When I run my code, it always gets ...
    Rajesh BalamohanRajesh Balamohan
    Feb 6, 2013 at 6:27 am
    Jan 23, 2014 at 1:58 am
  • Hi, I have a table which i have partitioned as below ...
    Suresh KSuresh K
    Feb 6, 2013 at 7:22 am
    Feb 6, 2013 at 4:13 pm
  • I install the latest impala(version0.5) with Cloudera Manager 4.1.1 when I start the impala daemon of the impala service, I got the following error: The specified datastore driver ...
    Feb 22, 2013 at 6:44 am
    Feb 26, 2013 at 5:24 pm
  • Hi DK, Answered your questions inline Thanks, Lenni Software Engineer - Cloudera Hive is *not* required on all nodes. Currently, Impala does not support DDL syntax (CREATE/ALTER DATABASE/TABLE) so ...
    Lenni KuffLenni Kuff
    Feb 13, 2013 at 7:42 pm
    Feb 18, 2013 at 4:43 am
  • Hi, I wonder how Impala supports file systems other than HDFS, for example, Amazon s3n. Is the support provided by Hadoop file system or Impala has to provide some native code to support them? Thanks ...
    Jian FangJian Fang
    Feb 20, 2013 at 5:51 pm
    May 13, 2013 at 10:21 pm
  • Hi! I attempted to compile impala follow the instructions on https://github.com/cloudera/impala, When I do "./build_public.sh -build_thirdparty", I get the following error dump: ..... [ERROR] ...
    Feb 28, 2013 at 8:12 am
    Feb 28, 2013 at 11:51 am
  • Can Impala handle custom inputformats? I define a table in Hive with my custom inputformat and it works fine for queries. If I run the impala-shell and refresh, it lists the new table. Any query ...
    Rick WagnerRick Wagner
    Feb 15, 2013 at 5:00 pm
    Feb 21, 2013 at 8:42 pm
  • Echo, How did you install Impala? Did you use Cloudera Manager? Also, are you able to run that same query through Hive? Thanks, Udai
    Udai Kiran PotluriUdai Kiran Potluri
    Feb 5, 2013 at 9:47 pm
    Feb 7, 2013 at 6:36 pm
  • Hello all, I am curious to know details of the Impala architecture. After going through a webinar, I have a few questions: 1. Is there any difference in the way Impala reads HBase as compared to ...
    Mayuresh KunjirMayuresh Kunjir
    Feb 1, 2013 at 11:58 pm
    Feb 3, 2013 at 11:14 pm
  • Hi Guys, I know the lowest CDH version that works for Impala (which is CDH4.1.0), we have some other clusters that Hadoop is installed from the packages downloaded from apache site, so we wonder if ...
    Echo LiEcho Li
    Feb 26, 2013 at 10:50 pm
    Mar 1, 2013 at 2:13 pm
  • I get this error when I try to do "SHOW TABLES" using impala-shell. I tried to do a SELECT query also but got the same. ERROR: com.google.common.util.concurrent.UncheckedExecutionException ...
    Benjamin KimBenjamin Kim
    Feb 28, 2013 at 3:08 am
    Feb 28, 2013 at 7:40 pm
  • Sekine, Could you provide a dump of your environment? Also, it would he helpful to paste all the config xml files. Additionally, what permissions does the hdfs file have? Thanks, .. ishaan
    Ishaan JoshiIshaan Joshi
    Feb 27, 2013 at 6:46 pm
    Feb 28, 2013 at 7:20 pm
  • Hello, I was able to resolve one issue yesterday with help from the community. Today, I have something new. When I do ./build_public.sh, I get the following error dump. I'm on Ubuntu 12.04. [ 92%] ...
    Harish MandalaHarish Mandala
    Feb 26, 2013 at 5:05 pm
    Feb 26, 2013 at 6:17 pm
  • I've been trying to connect to Impala using the new Jdbc driver, however, I'm running into this... Connecting... Exception in thread "main" java.sql.SQLException ...
    Feb 5, 2013 at 5:51 pm
    Feb 5, 2013 at 8:23 pm
  • inline void AggregationNode::UpdateDistinctEstimateSlot(void* slot, void* value, PrimitiveType type) { DCHECK(value != NULL); StringValue* dst_value = static_cast<StringValue* (slot); // Core of the ...
    Feb 1, 2013 at 6:23 am
    Feb 5, 2013 at 1:34 am
  • Hello, I've put a Java Impala client on github (https://github.com/pauldeschacht/impala-java-client). This client connects directly to Impala, just like the impala-shell does. A small example how to ...
    Paul De SchachtPaul De Schacht
    Feb 28, 2013 at 1:23 pm
    Jul 2, 2013 at 10:22 am
  • Barry, I believe we have a JIRA tracking this issue: https://issues.cloudera.org/browse/IMPALA-37 The problem is that the connection is being closed in the middle of a fetch, leaving all the queries ...
    Ishaan JoshiIshaan Joshi
    Feb 27, 2013 at 9:57 pm
    Mar 19, 2013 at 9:22 pm
  • Hi! I want to try impala to process big data. And now, i have compiled impala successfully followed the instructions on https://github.com/cloudera/impala, when I do "./bin/start-impalad.sh ...
    Feb 28, 2013 at 3:43 pm
    Mar 1, 2013 at 8:49 am
  • Hi, The latest version of Impala doesn't seem to work with the EC2 set up instructions listed here: http://blog.cloudera.com/blog/2013/02/from-zero-to-impala-in-minutes The cluster seems to set up ...
    Dave MarianiDave Mariani
    Feb 27, 2013 at 11:51 pm
    Feb 28, 2013 at 4:01 am
  • DK, what is the query you're trying to run?
    Marcel KornackerMarcel Kornacker
    Feb 20, 2013 at 9:42 pm
    Feb 20, 2013 at 10:05 pm
  • Hi, I met with a problem when trying to start impala with the latest cloudera manager. The mysql driver cannot be find. I have mysql-connector-java-5.1.15-bin.jar under /usr/lib/hive/lib and tried to ...
    Wei luWei lu
    Feb 5, 2013 at 5:24 pm
    Feb 17, 2013 at 1:37 pm
  • Hello CDH, Impala and Cloudera Manager Users, ** * We are pleased to announce the release of Cloudera Impala Beta (version 0.5). The key enhancement for this release is the addition of the JDBC ...
    Wendy TurnerWendy Turner
    Feb 4, 2013 at 11:34 pm
    Feb 5, 2013 at 1:31 am
  • I learned impala can utilize hive partition but not hive basket, it that right? and I wander if impala can utilize hive index?
    Feb 1, 2013 at 7:35 am
    Feb 1, 2013 at 8:10 pm
  • I noticed that support for Avro came in the latest Impala 0.6 release (https://issues.cloudera.org/browse/IMPALA-2), but I've run into an issue with the hive Struct data type, stack trace below. Are ...
    Michael MossMichael Moss
    Feb 27, 2013 at 11:01 pm
    Feb 27, 2013 at 11:06 pm
  • In our multi node impala setup, I expected to refresh the catalog of all impala daemons by running the refresh command on one of these nodes, but it wasn't. Is there an issue with distributing the ...
    Dirk BlankenbergDirk Blankenberg
    Feb 27, 2013 at 10:36 am
    Feb 27, 2013 at 6:32 pm
  • Hi - Thanks for the report! I have some questions to help us find the problem: 1. What version of Impala are you running? If it's less than 0.5, please consider upgrading to the latest version. 2 ...
    Henry RobinsonHenry Robinson
    Feb 26, 2013 at 4:23 pm
    Feb 27, 2013 at 2:02 pm
  • Hello Cloudera Manager Users, *We are pleased to announce the release of Cloudera Manager 4.1.4. This is a patch release with bug fixes. For details, please refer to the release ...
    Vinithra VaradharajanVinithra Varadharajan
    Feb 13, 2013 at 9:15 pm
    Feb 21, 2013 at 12:33 am
  • Hi, I followed https://ccp.cloudera.com/display/IMPALA10BETADOC/Configuring+Impala+to+Work+with+JDBC to download and configure the JDBC driver in SQuirrel SQL.The client showed "Connection ...
    Himanish KusharyHimanish Kushary
    Feb 15, 2013 at 8:08 pm
    Feb 20, 2013 at 8:52 pm
  • It turned out we should have used the name of the node (* ec2-xxx-xxx-xxx-xxx.us-west-1.compute.amazonaws.com*) instead of the ip for the name. So that got the impala-shell functional on that node, ...
    Barry BeckerBarry Becker
    Feb 18, 2013 at 7:22 pm
    Feb 19, 2013 at 12:42 pm
  • Hi all, I'm trying to figure out whether Impala's use case is right for me. Here are details of what I am doing: - Log data loaded into Hive tables on EC2 EMR - Analytics queries performed in Hive ...
    Chris BatesChris Bates
    Feb 15, 2013 at 6:50 pm
    Feb 17, 2013 at 7:59 pm
  • Hi, I would appreciate if someone can provide answers to the following - 1) Is impalad process multi-threaded? From the functionality it seems to me (heartbeat thread talks with statestored, ...
    Feb 14, 2013 at 1:15 am
    Feb 17, 2013 at 7:33 pm
  • Hi, all I'm trying to query from views created in Hive, but impala throws exceptions: [agent1:21000] select * from hbase_user_profile_valid Query: select * from hbase_user_profile_valid ERROR ...
    Wei luWei lu
    Feb 5, 2013 at 5:24 pm
    Feb 5, 2013 at 6:21 pm
  • This has been sovled after I upgraded "binutils" to the latest version. Thanks a lot! 2013/2/21 Nong Li <<span class="m_body_email_addr" title="67fc7eae707022cc3747b78577e1dcb5" ...
    Zhang KaiZhang Kai
    Feb 27, 2013 at 7:13 am
    Feb 27, 2013 at 7:13 am
  • Hello CDH, Impala and Cloudera Manager Users, We are pleased to announce the release of Cloudera Impala Beta (version 0.6). This version of Impala adds support for data stored in the RCFile format ...
    Wendy TurnerWendy Turner
    Feb 26, 2013 at 8:55 pm
    Feb 26, 2013 at 8:55 pm
  • Ubuntu 12.04 (and later) requires the libevent1-dev package to work with Thrift v0.9
    Feb 26, 2013 at 3:22 am
    Feb 26, 2013 at 3:22 am
  • Small Project Consultant Wanted - hopefully a few hours here and there. We think that Impala is the way to go for a dataset .... However, we're not experts at Hive and trying to load our large ...
    David KoblasDavid Koblas
    Feb 25, 2013 at 9:14 pm
    Feb 25, 2013 at 9:14 pm
  • Impala's join implementation requires an equality predicate between tables, ie, it can't do Cartesian products.
    Marcel KornackerMarcel Kornacker
    Feb 22, 2013 at 9:14 pm
    Feb 22, 2013 at 9:14 pm
  • googling again, found the following issue matching my situation: — Impala fails to refresh the Hive metastore if a Hive temporary configuration file is removed Impala is impacted by Hive bug ...
    Stephen BoeschStephen Boesch
    Feb 21, 2013 at 8:09 am
    Feb 21, 2013 at 8:09 am
  • Hi Folks, I'd like to use impala for doing ad-hoc analysis of my data where each record is described as 1. ('attribute_name', 'attribute_value') pairs, where list of all 'attribute_name' is fixed and ...
    Ankur GoelAnkur Goel
    Feb 20, 2013 at 4:15 am
    Feb 20, 2013 at 4:15 am
  • Hi DK, We do not currently have the complete TPC-DS schema and queries (I believe there are nearly 100) converted and ready to run on Impala/Hive. We may do this in the future so keep an eye out. If ...
    Lenni KuffLenni Kuff
    Feb 15, 2013 at 4:11 pm
    Feb 15, 2013 at 4:11 pm
  • Hi, I have read at number of places that impala is n times faster than Hive but at the same time read that it won't replace Hive. So I'm trying to understand where Hive will out perform Impala? I ...
    Feb 13, 2013 at 11:34 pm
    Feb 13, 2013 at 11:34 pm
  • Hi Feng, We were trying to squeeze in the Impala release at the tail end of March, but this is now targeted for April. Please note that we are constantly listening to customer feedback and this date ...
    Justin EricksonJustin Erickson
    Feb 6, 2013 at 7:14 pm
    Feb 6, 2013 at 7:14 pm
  • Hello Experts, I have quick question regarding using impala for analytics:- 1) Is there a plan to include analytics library (like MADLib) with impala? 2) Are there any libraries available to run ...
    Romit SinghaiRomit Singhai
    Feb 4, 2013 at 7:29 pm
    Feb 4, 2013 at 7:29 pm
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54 users for February 2013

Marcel Kornacker: 11 posts Harsh J: 9 posts Senad Aruc: 8 posts Lenni Kuff: 7 posts Henry Robinson: 5 posts Ishaan Joshi: 5 posts Lyrebird1999: 5 posts Rajesh Balamohan: 5 posts Suresh K: 5 posts Zjp...: 5 posts Alan Choi: 4 posts DK: 4 posts Nong Li: 4 posts Udai Kiran Potluri: 4 posts Echo Li: 3 posts HenryK: 3 posts Rick Wagner: 3 posts Sékine Coulibaly: 3 posts Simba: 3 posts Wei lu: 3 posts
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