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59 discussions - 197 posts

  • Don't know why, but I get the same PriviledgedActionException in the logs for impala-catalog as well. I thought we did not have to add the kerberos configuration for the catalog service. Anyway, I ...
    Mar 31, 2014 at 5:55 pm
    Apr 14, 2014 at 9:38 pm
  • i compile the impala source in debug and release mode respectively. i find the debug impala runs faster than release mode, especially when the impala reads the hdfs data. what is the difference ...
    邓 展成邓 展成
    Mar 4, 2014 at 7:21 am
    Mar 27, 2014 at 3:18 am
  • For anyone tested Spark: https://spark.incubator.apache.org/docs/latest/quick-start.html What is faster? Impala or Spark? For example - is it possible to benchmark latest release Spark vs Impala ...
    Mar 7, 2014 at 11:39 pm
    Jul 1, 2014 at 1:17 am
  • "The transaction for alter partition did not commit successfully." attached the error . please someone know what is the problem? 10x!!! Carmit To unsubscribe from this group and stop receiving emails ...
    Mar 11, 2014 at 8:32 pm
    Mar 14, 2014 at 5:49 pm
  • Env: 1:cloudera manager: 4.7.2 2:CDH 4.3.0 3:impala 1.2.4 Service install all is ok and all roles started successfully ...
    Mar 13, 2014 at 5:18 am
    Mar 13, 2014 at 8:33 am
  • Impala uses Hive JDBC driver. You can find its code in Hive project on Github: https://github.com/apache/hive/tree/trunk/jdbc/src/java/org/apache/hive/jdbc Best, Dejan To unsubscribe from this group ...
    Dejan ProkićDejan Prokić
    Mar 19, 2014 at 11:54 am
    Mar 21, 2014 at 9:26 pm
  • Hi Percy, This looks like it might be due an HBase issue. Can you check the HBase logs to verify HBase is running properly? It also would be good to verify whether you are able to query the table ...
    Lenni KuffLenni Kuff
    Mar 10, 2014 at 4:12 pm
    Mar 13, 2014 at 6:26 pm
  • Hi, I'm having trouble with refreshing metadata on a partitioned parquet table when I move the files I start off with my table: select count(*) from t; +-----------+ +-----------+ hadoop fs -mv ...
    Gerrard McnultyGerrard Mcnulty
    Mar 10, 2014 at 10:54 am
    Mar 13, 2014 at 2:04 am
  • CDH version :*CDH 5.0.0 Beta 2* *impala version:1.2.3* *My CDH and hive start **successfully, but when launching impala-server , the error occur. The Error Info as follows:* *Built on Fri, 20 Dec ...
    Mar 13, 2014 at 11:28 am
    May 7, 2014 at 10:49 pm
  • You do not provide bind credentials to impala the service, it authenticates against LDAP on a per user basis using the impala options documented on that page: /To connect to Impala using LDAP ...
    Todd GraysonTodd Grayson
    Mar 26, 2014 at 5:18 pm
    Apr 1, 2014 at 7:53 pm
  • Hi, We have an HA setup in hdfs. All the query seems to work fine in impala except when I try to run a CTAS from a non-default DB to save a table in default db ...
    Sukhendu chakrabortySukhendu chakraborty
    Mar 1, 2014 at 11:00 pm
    Mar 4, 2014 at 11:24 pm
  • I have observed on my cluster after upgrade from version 1.1 to 1.2.4 that queries are only performed on one server in cluster. There are two servers in cluster host1u and host2u and hdfs are set to ...
    Arkadiusz BiczArkadiusz Bicz
    Mar 28, 2014 at 10:32 am
    Apr 4, 2014 at 3:11 pm
  • change start up option in impala dont take effect i try to change the impala memory limit as below export IMPALA_STATE_STORE_ARGS=${IMPALA_STATE_STORE_ARGS:- \ -log_dir=${IMPALA_LOG_DIR} ...
    Muhamed GhareebMuhamed Ghareeb
    Mar 12, 2014 at 6:18 pm
    Mar 16, 2014 at 3:15 pm
  • Hi all, Directly referencing impala docs, one Hbase use case example is : Or the HBase table could be joined with a larger Impala-managed table. For example, analyze the large Impala table ...
    Erdem AgaogluErdem Agaoglu
    Mar 11, 2014 at 5:09 pm
    Mar 12, 2014 at 8:50 am
  • Hi, Customer can only provide csv format file by time period. I plan use impala: 1: Convert csv file to parquet file directly out of hadoop cluster; 2: Then put file to hdfs specific directory. 3 ...
    Mar 11, 2014 at 2:14 am
    Mar 11, 2014 at 5:39 pm
  • Hi, I have setup Impala with Hive on Hbase. I am able to perform describe table in hive shell. But when I perform the same in Impala shell, I get: ERROR: AnalysisException: Failed to load metadata ...
    Tapomay DeyTapomay Dey
    Mar 6, 2014 at 12:05 pm
    Mar 11, 2014 at 3:49 pm
  • Hi, we're having an issue with random crashes of Impalad on all machines in the cluster at the same time. We couldn't find a pattern so far and it happens a couple of times in a row and then settles ...
    Lars FranckeLars Francke
    Mar 6, 2014 at 1:47 pm
    Mar 10, 2014 at 6:27 pm
  • If it's of any help, when I check the permissions in hdfs for the databases created from beeline as user 'a', it returns the proper permissions. However, when I do the same for the databases created ...
    Mar 26, 2014 at 11:27 pm
    Mar 28, 2014 at 4:03 pm
  • Hi Impala team, Do you have a plan to add the tag for 1.2.4 on Github? Or can someone tell me the commit that marked the release? Thanks To unsubscribe from this group and stop receiving emails from ...
    Mar 18, 2014 at 6:07 am
    Mar 27, 2014 at 3:47 pm
  • I created a partitioned Impala table with tens of thousands of small partitions. I tried to delete it by deleting the associated HFDS directories, but the table still existed in the Impala database ...
    Dan AriasDan Arias
    Mar 14, 2014 at 6:20 am
    Mar 14, 2014 at 8:40 pm
  • Dear Cloudera Impala and CDH users, We are pleased to announce the general availability of Cloudera Impala 1.2.4. This maintenance release fixes issues with the Catalog Service as well as a few other ...
    Wendy TurnerWendy Turner
    Mar 6, 2014 at 9:22 pm
    Mar 14, 2014 at 2:34 am
  • Hi guys, I'm running Impala 1.2.3 on CentOS 6.5 with CDH 4. I have loaded some text files compressed with lzo along with .lzo.index files created with the distributed indexer. The table is defined as ...
    Sammy YuSammy Yu
    Mar 5, 2014 at 5:58 am
    Mar 6, 2014 at 5:16 pm
  • I use JDBC to connect to impala, the client report the following error: Our impala version is 1.1.1 and the depended hive libraries version is 0.10.0-cdh4.3.0 and thrift version is 0.9.0 I looked ...
    Zesheng WuZesheng Wu
    Mar 4, 2014 at 4:10 am
    Jun 5, 2014 at 10:01 am
  • Hello, Does it work if you either do refresh [tablename that changed] or invalidate metadata (if you added/removed a table) in the shell? That should cause the catalog server to read the data from ...
    Alan JackowayAlan Jackoway
    Mar 26, 2014 at 6:14 pm
    Mar 26, 2014 at 8:51 pm
  • Hi, We just finished installing Enterprise CDH4.6.0 with automated installation using packages. We configured to put StateStore Daemon running on same node with Hive metastore. Currently, Impala ...
    Silaphet MounkhatySilaphet Mounkhaty
    Mar 25, 2014 at 11:33 pm
    Mar 26, 2014 at 3:38 pm
  • Hi, I am using Impala 1.2.2. Looks like it only takes one timestamp format 'yyyy-MM-dd HH:mm:ss SSSSSS'. I noticed Imapa-114 has reported this problem and it has been marked resolved. So I downloaded ...
    Mar 24, 2014 at 10:43 pm
    Mar 26, 2014 at 3:08 am
  • *I hope somebody knows what this is about:* *From time to time our impala cluster is not accessible anymore i.e. it is not possible to read from or write to it.* *The Impala error log then has tons ...
    Tobi SchulzTobi Schulz
    Mar 15, 2014 at 10:42 am
    Mar 17, 2014 at 3:09 pm
  • Hi Jason, Could you attach a query profile for the slow query? Thanks, Lenni To unsubscribe from this group and stop receiving emails from it, send an email to impala-user+unsubscribe@cloudera.org.
    Lenni KuffLenni Kuff
    Mar 10, 2014 at 5:21 am
    Mar 16, 2014 at 9:37 am
  • I created an external hive table that points to a hbase table like this: create external table percy( ts string, dd string, type string, traffic_type string, media_id string, adspace_id string, ...
    Percy ZhaoPercy Zhao
    Mar 13, 2014 at 6:40 pm
    Mar 13, 2014 at 10:36 pm
  • I'm trying to move some data from an hbase table into an impala parquet based table. I'm using a command of the format: INSERT INTO my_parquet_table select * from hbase_table limit X; This works fine ...
    Keith SimmonsKeith Simmons
    Mar 7, 2014 at 11:35 pm
    Mar 8, 2014 at 12:23 am
  • Hello Matt, I believe the functionality is not yet part of the Impala release. From the blog here, it looks like Impala 2.0 will be the candidate having the features you want ...
    Ananth GundabattulaAnanth Gundabattula
    Mar 1, 2014 at 12:31 am
    Mar 5, 2014 at 4:45 am
  • Hello All, I was wondering if anyone observed the profile of a query under the query metrics ( running on port 25000 ) in the following state : Query (id=ff489dbf24829a9e:751fbd2c1af819af): Summary ...
    Ananth GundabattulaAnanth Gundabattula
    Mar 3, 2014 at 7:21 pm
    Mar 4, 2014 at 9:27 pm
  • hey Subhash Can u tell me how u use that -V flag is used I am running my Impala query like this but -V does not seem to work . Maybe I am using it incorrectly nohup impala-shell -V -f ...
    Sanjay SubramanianSanjay Subramanian
    Mar 29, 2014 at 12:15 am
    Apr 1, 2014 at 8:41 pm
  • Sorry if this is a known issue for 1.2.4. I haven't been keeping up with impala-users lately. I'm seeing some weird issues where an expression in my where clause behaves differently depending on ...
    Sean O'BrienSean O'Brien
    Mar 27, 2014 at 11:19 pm
    Mar 28, 2014 at 1:05 am
  • Hello Team, I have configured 3 node cluster using Cloudera Hadoop Installation and have installed Impala on one node. Now there are some question on which I need to pick team's brain on. 1. Using ...
    Andy DoshiAndy Doshi
    Mar 25, 2014 at 3:44 am
    Mar 25, 2014 at 7:55 pm
  • Is there a difference in terms of performance between external and standard tables? Thanks Uli To unsubscribe from this group and stop receiving emails from it, send an email to ...
    Uli BethkeUli Bethke
    Mar 24, 2014 at 11:24 am
    Mar 24, 2014 at 6:35 pm
  • Hi, I am getting wrong results with some impala queries involving a left join with an empty table. It seems that the query optimiser is bugged. I tested it on v1.2.3 and v1.2.4, some of the wrong ...
    Furcy PinFurcy Pin
    Mar 21, 2014 at 2:24 pm
    Mar 21, 2014 at 6:07 pm
  • When I was executing the following impala query, This query execution requires very high memory(more than 70G). When I set the mem_limit less than 70G, this query execution is failed with memory ...
    Mar 19, 2014 at 2:39 am
    Mar 19, 2014 at 4:34 pm
  • There is a serious problem with that result. Both file formats support plug-able compression codecs and the stinger results picked a different codec for parquet and orc. Take a look at these slides ...
    Nong LiNong Li
    Mar 18, 2014 at 1:04 am
    Mar 18, 2014 at 1:32 am
  • Hi, We have a custom ETL tool which can write Parquet files directly to hdfs. Given an directory of Parquet files (all parts of the same table), how do I create an Impala table from these files? I ...
    Mar 13, 2014 at 12:40 pm
    Mar 13, 2014 at 8:16 pm
  • Hi, Impala supports HBase as the underlying storage. Would it help? Thanks, Alan To unsubscribe from this group and stop receiving emails from it, send an email to ...
    Alan ChoiAlan Choi
    Mar 10, 2014 at 8:46 pm
    Mar 11, 2014 at 1:36 am
  • Todd, the product comparison indicates that Automated Disaster Recovery is not available in Express so we would need to pay for at least Basic Edition. We are considering a Flex license with Impala ...
    Mauricio AristizabalMauricio Aristizabal
    Mar 6, 2014 at 2:26 am
    Mar 10, 2014 at 4:14 pm
  • Is there affect in performance (better or worse) when changing block size from 64 MB - 128 MB (or 256 MB)? If majority of tables being used by Impala are huge tables with billions of records that are ...
    Mar 9, 2014 at 4:31 am
    Mar 10, 2014 at 1:09 pm
  • If I run impala-shell on my development virtual machine (installed using cloudera manager), it connects to impalad automatically. But "not connected" if I run on a gateway in test cluster. Is there ...
    Bewang TechBewang Tech
    Mar 7, 2014 at 6:10 pm
    Mar 7, 2014 at 6:51 pm
  • Hi Keith, You are correct that Impala does not perform delayed materialization (i.e., it materializes then filters). For text and sequence files, Impala will parse and store the columns needed to ...
    Skye Wanderman-MilneSkye Wanderman-Milne
    Mar 27, 2014 at 9:56 pm
    Mar 27, 2014 at 9:56 pm
  • Hi, With my current configuration (that is by specifying ldap_uri in /etc/default/impala), I'm able to connect to Impala using ldap bind username and password. But how do I connect to Impala with the ...
    Mar 25, 2014 at 10:32 pm
    Mar 25, 2014 at 10:32 pm
  • Do you copy the staging table to the datawarehouse table with Impala or Hive? Could you possibly send me one of the data files produced by the SDK that Impala can't read correctly? What error are you ...
    Skye Wanderman-MilneSkye Wanderman-Milne
    Mar 25, 2014 at 8:05 pm
    Mar 25, 2014 at 8:05 pm
  • Hello All, I am trying to run the tests located in the github master branch using bin/run-all-tests.sh. Is there a readme doc for this? Thank You. - Rahul To unsubscribe from this group and stop ...
    Mar 20, 2014 at 5:31 am
    Mar 20, 2014 at 5:31 am
  • hi, I am confused about configuration of the Parquet format. I did look at documentation but the answers didn't jump at me; i believe this should be beneficial to the community as well. My questions ...
    matt Liebermatt Lieber
    Mar 19, 2014 at 8:53 pm
    Mar 19, 2014 at 8:53 pm
  • Hi Impala team, Do you have a plan to add the tag for 1.2.4 on Github? Or can someone point to the commit that marked the release? Thanks Chen To unsubscribe from this group and stop receiving emails ...
    Mar 17, 2014 at 2:43 am
    Mar 17, 2014 at 2:43 am
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63 users for March 2014

Alan Choi: 23 posts Lenni Kuff: 14 posts 邓 展成: 10 posts Sudharshan Ramakumar: 9 posts Percy Zhao: 8 posts Realwangx: 7 posts Sukhendu chakraborty: 7 posts Ananth Gundabattula: 6 posts Keith Simmons: 6 posts Skye Wanderman-Milne: 6 posts Srinath Shankar: 5 posts Alex Behm: 4 posts Muhamed Ghareeb: 4 posts Sachin jose: 4 posts Vladimir: 4 posts כרמית כהן: 4 posts Gerrard Mcnulty: 3 posts Bharath Vissapragada: 3 posts Erdem Agaoglu: 3 posts Marcel Kornacker: 3 posts
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