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100 discussions - 349 posts

  • I have a cluster with 21 region servers using CDH 4.6.0 managed by CM 4.8.0. I keep getting alerts for HDFS Read Latency being 100ms and Compaction Queue Size 10. Once in a while, I'll get Flush ...
    Benjamin KimBenjamin Kim
    May 7, 2014 at 8:02 pm
    May 10, 2014 at 6:50 pm
  • Hi Everyone, We had hive server (hive-service-0.10.0 & cdh4.4.0) But it was NOT managed by Cloudera Manager. So I have been working to shutdown the existing Hive server and Bring up Hive2, Metastore ...
    May 1, 2014 at 9:33 pm
    May 12, 2014 at 5:13 pm
  • Hi We have experiencing HBase Region Servers Crashing in our cluster. We have HBase Region Servers running on machine with 16GB of RAM, Java heap size of 16 is allocated to HBase Region Server. Here ...
    May 7, 2014 at 8:55 pm
    May 9, 2014 at 8:38 pm
  • Hi, I have integrated HDFS with ldap using : org.apache.hadoop.security.LdapGroupsMapping and have a superuser group for users who I want to act as super-users using property ...
    Anurag TangriAnurag Tangri
    May 16, 2014 at 8:17 pm
    May 18, 2014 at 4:16 am
  • Hi All, I am using CDH4.4 Hadoop cluster & managing with Cloudera Manager. Today, i have added 2 nodes to the cluster and i have assigned racks for these two nodes in Cloudera Manager. After starting ...
    Munna hadoopMunna hadoop
    May 15, 2014 at 11:59 am
    May 16, 2014 at 12:34 pm
  • Hi, I am trying to perform some very simple HBase operations from a storm spout. For this I am opening a connection to a hbase table. I do HBaseConfiguration.create() and in the next line I do a new ...
    May 15, 2014 at 4:18 am
    May 17, 2014 at 5:40 am
  • Hi Experts, I am viewing the below error message in my cm, bad health No connection to HBase to determine the active HBase Master could be made for the last 3 minute(s). Test cannot be run and will ...
    Kishore kumarKishore kumar
    May 6, 2014 at 1:23 pm
    May 7, 2014 at 12:39 pm
  • Hi, I am working through the Earthquake example (https://blog.cloudera.com/blog/2013/03/how-to-use-oozie-shell-and-java-actions/) I changed the earthquakeMinThreshold=1, so that isLarger=true and the ...
    Mattie WhitmoreMattie Whitmore
    May 2, 2014 at 5:44 pm
    May 6, 2014 at 3:46 pm
  • Quickstart 5.0 VM (VMware) I'm going through this example: http://spark.apache.org/docs/latest/running-on-yarn.html Specifically, this section "Launch spark application by YARN Client with ...
    Marco ShawMarco Shaw
    May 4, 2014 at 12:13 am
    May 5, 2014 at 1:11 am
  • Hello, This past Monday, I just installed HDFS+hiveserver2 from the just-released CDH 5.0.1 distribution on our hadoop lab cluster. When I execute the following, using beeline: beeline !connect ...
    Andy PAndy P
    May 15, 2014 at 4:46 pm
    May 16, 2014 at 9:47 pm
  • Hello all, I have 1 name node and 3 data node. On data node, there are 24 core and 48GB memory and 3*6TB disk. On name node, there are 24 core and 32GB memory and 500GB disk. I have 3 region server ...
    Naisarg PatelNaisarg Patel
    May 13, 2014 at 1:21 pm
    May 14, 2014 at 10:05 am
  • hi can anyone suggest proper link for installation or u can directly ping me to solve sqoop and pig installation -- --- You received this message because you are subscribed to the Google Groups "CDH ...
    Dhinesh KumarDhinesh Kumar
    May 13, 2014 at 11:53 am
    May 13, 2014 at 5:57 pm
  • Hi all, I have this weird error when I run the following command: curl -X GET "http://ec2-xx-xx-xx-xx.eu-west-1.compute.amazonaws.com:50070/webhdfs/v1/user/hdfs/file1?op=OPEN" I get: HTTP/1.1 500 ...
    Tamas JamborTamas Jambor
    May 12, 2014 at 11:41 am
    May 12, 2014 at 1:03 pm
  • I am using CDH5 with hive 0.12.0. I dig a bit myself in internet but could not find sample php code to connect to hiveserver2. I know there are php files generated by thrift but they seem broken, as ...
    Chen SongChen Song
    May 6, 2014 at 3:24 am
    May 12, 2014 at 2:47 am
  • I would like to know how Hive UDF's behave when run on a node of the cluster. I have seen UDF's mainly run in the reduce phase of a job. Do they always run during this phase? I would like to know ...
    Benjamin KimBenjamin Kim
    May 13, 2014 at 6:27 pm
    May 15, 2014 at 2:20 am
  • Hi everyone. I'm running into a known bug in Spark 0.9.0 that I can't work around, so need Spark 0.9.1. I've read up on building my own parcel, so I thought I'd take a stab at converting ...
    Mark BakerMark Baker
    May 9, 2014 at 4:13 pm
    May 15, 2014 at 12:51 am
  • We have multiple edge nodes in our cluster for numerous roles. Right now we have a single instance of Oozie that all workflows run through. Most of our workflows are automated jobs for night ...
    Brian WrightBrian Wright
    May 13, 2014 at 8:20 pm
    May 14, 2014 at 8:42 pm
  • Hello i have this issue in the new CDH5 i don't know how to fix it ? -- --- You received this message because you are subscribed to the Google Groups "CDH Users" group. To unsubscribe from this group ...
    Lulu pratLulu prat
    May 12, 2014 at 2:31 pm
    May 14, 2014 at 11:19 am
  • I am setting up the 6 900Gb disks on each of my 4 servers. This is the command I am using and seeing something which may be worrisome. I'm not sure if this is a problem. Any assistance is ...
    David LeachDavid Leach
    May 12, 2014 at 7:48 pm
    May 13, 2014 at 1:43 pm
  • Yeshutech training facility offers SAP CLM class room and Online Training. Their SAP trainers come with vast work (real time) experience and teaching skills. He has 10 years of SAP CLM experience ...
    Lilly yeshuLilly yeshu
    May 12, 2014 at 11:10 am
    May 12, 2014 at 11:13 am
  • Hello everyone, I could only find Cloudera Manager Enterprise Edition User Guide for 4.5.x version but where I can find Cloudera Manager Enterprise Edition User Guide for 5.x versions? OR There is no ...
    Anuj AdhikariAnuj Adhikari
    May 9, 2014 at 5:25 am
    May 9, 2014 at 6:12 am
  • Hey guys, I am trying to pass an empty map in an insert query. My column type is : map<string,map<string,string I basically wanted to pass a null but it does not like that. It throws the following ...
    Roshini johriRoshini johri
    May 7, 2014 at 10:42 am
    May 7, 2014 at 3:14 pm
  • Hy Guys, I have 2 Clusters with 10 and 15 Nodes. one CDH 4.5 one 5.0 How if possible i can enable slab block cache (Off The Heap Block Cache). I don't find the option neither in CDH 4.5 neither in ...
    May 6, 2014 at 6:38 pm
    May 6, 2014 at 11:55 pm
  • my cdh version is 4.5.0 ,cm version is 4.8.2 i do kerberos step by step with CDH4-Security-Guide.pdf . hdfs with kerberos , i make it well. but mapred with kerveros ,i meet the error like this ...
    May 3, 2014 at 4:57 pm
    May 3, 2014 at 5:29 pm
  • Hi, I have downloaded and installed cloudera hive odbc version on my wheezy/sid with 3.11.0-12-generic kernel. After following the instructions as mentioned in the manual, I am facing ...
    Nikhil MulleyNikhil Mulley
    May 2, 2014 at 9:58 pm
    May 3, 2014 at 8:55 am
  • Hi, Could someone closer to cloudera packaging please confirm if MAPREDUCE-2026 has been part of CDH4.4.0 release? I see that MAPREDUCE-2026 is mentioned in share/doc/hadoop/mapreduce/CHANGES.txt but ...
    Nikhil MulleyNikhil Mulley
    May 15, 2014 at 3:05 am
    May 17, 2014 at 5:47 am
  • Hi guys, Few days back. we were upgrade our cloudera version 4.5 from cdh5. previously, everything was fine. now when i run a simple wordcount program. i am getting the below error. please any body ...
    May 13, 2014 at 9:59 am
    May 16, 2014 at 7:02 am
  • I looked at the "Administrative Information" page for the VM and it did not have many details - only the overall cloudera/cloudera login. Where are further admin details (including the pgsql info) ...
    Stephen BoeschStephen Boesch
    May 12, 2014 at 7:10 pm
    May 13, 2014 at 6:07 am
  • I'm in the process of migrating over to yarn on our cluster configs. I have noticed the jmx metrics under the /metrics uri context does not show anything. From what see, I need to configure the ...
    May 8, 2014 at 2:55 pm
    May 12, 2014 at 7:51 pm
  • Hi everyone, I have3 Tb data a day, i want to produce this data using hadoop and i heard CDH is a great platform to do this. If i want to use 5 physical server for namenode and datanode how big ...
    Hendra BudiawanHendra Budiawan
    May 12, 2014 at 4:14 pm
    May 12, 2014 at 4:39 pm
  • Hello everyone, I am trying to understand the difference between Cloudera Express and Cloudera Enterprise Data Hub Edition ...
    Anuj AdhikariAnuj Adhikari
    May 9, 2014 at 3:51 am
    May 9, 2014 at 5:08 am
  • Will clean up the query to remove company specific stuff and send it out shortly. Any thoughts on why our secondary name node is broken because of the downgrade of impala? It's pretty worrying for ...
    Sean O'BrienSean O'Brien
    May 8, 2014 at 5:16 pm
    May 8, 2014 at 9:55 pm
  • I am using CDH5 from tarball installation and I have downloaded snappy source code(1.1.2) and compiled and installed it under "HADOOP_DIR/lib/native" on all nodes in the cluster. but i am still ...
    Mingfei shiMingfei shi
    May 5, 2014 at 1:19 am
    May 6, 2014 at 12:59 am
  • Hello i am trying to store data into hbase from pig: here is my script : REGISTER test.jar; A = LOAD 'nancay/S140101.RT1' USING ...
    Lulu pratLulu prat
    May 5, 2014 at 11:12 am
    May 5, 2014 at 1:41 pm
  • I am using cloudera manager 4.8 with CDH4.3 on HA enable hadoop cluster. We are having namenode failover issues almost on weekly basis. Here is an example of the error: 2014-05-01 01:42:38,231 WARN ...
    May 2, 2014 at 4:23 pm
    May 4, 2014 at 1:28 pm
  • Can't get our HBase master started after upgrading to CDH5. Complaining about an existing table namespace???? 14/05/02 21:54:32 INFO zookeeper.ZooKeeper: Client ...
    May 3, 2014 at 4:56 am
    May 3, 2014 at 3:33 pm
  • Dear CDH, Cloudera Manager, and Cloudera Impala users, We are pleased to announce the general availability of Cloudera Impala 1.3.1 for use with CDH4. Impala 1.3.1 contains stability enhancements and ...
    Wendy TurnerWendy Turner
    May 1, 2014 at 7:16 pm
    May 2, 2014 at 1:53 am
  • I am trying to install CDH using Cloudera manager. I was able to do the same and run hadoop jobs using Ubuntu 12.04 AMI - paravirtual But if I am trying to do with Ubuntu 12.04 AMI - HVM, I am ending ...
    Ariya balaAriya bala
    May 15, 2014 at 2:38 pm
    May 18, 2014 at 4:35 am
  • My Job Tracker and task trackers will not start. When I try to start mapreduce from CM it errors out. I am using java-1.6.0-openjdk- Any help very much appreciated ...
    May 16, 2014 at 11:33 pm
    May 17, 2014 at 3:29 am
  • Hi guys, i have a problem with my parquet hive. i have a parquet file format in hdfs. so i mapped the parquet file format using hive. when i run a simple hive query like("select * from tablename). it ...
    May 16, 2014 at 7:07 am
    May 16, 2014 at 6:22 pm
  • Hi, I have a 'simple' usecase (I thought it is simple ;) ). I want to call a hive script with a parameter in format YYYY-MM-DD. Inside the script I want to load data from HDFS path ...
    Ge koGe ko
    May 16, 2014 at 12:28 pm
    May 16, 2014 at 4:55 pm
  • Hi I have a bunch of oozie jobs, and I'd like to relaunch some with oozie CLI. My problem is that I can't find the *job configuration file*. In the documentation ...
    May 16, 2014 at 2:27 pm
    May 16, 2014 at 4:42 pm
  • Hi all, I need to find out MAX DATE and MIN DATE AND DIFF, presently i applied MAX function on chararray type..is it gives correct results....? . please tell me how we can find MAX MIN DATES..the ...
    Sravan ReddySravan Reddy
    May 15, 2014 at 4:32 pm
    May 16, 2014 at 7:09 am
  • Does anyone have experience setting up yarn with multi-homed servers? We have a network topology where administrative stuff goes over a 'management' network ( ssh, dns, metrics etc ). All hadoop/app ...
    May 13, 2014 at 3:18 pm
    May 15, 2014 at 12:44 am
  • Hi all, I have been trying to recover a cluster after a restart on EC2, that changed the IP address of the nodes. I have all the services up and running now, but when I run an implala query I get the ...
    Tamas JamborTamas Jambor
    May 13, 2014 at 3:16 pm
    May 14, 2014 at 4:16 am
  • Followed the directions here: and I keep getting the following error: Relation not found: "hue"."useradmin_userprofile"' Any suggestions? -- --- You received this message because you are subscribed ...
    May 13, 2014 at 9:35 pm
    May 13, 2014 at 9:36 pm
  • Hi all, I have a cluster running on EC2. I had to restart the cluster, so the IP address of the machines changed. I have amended all the config files config.ini for the agents, the host file and ...
    Tamas JamborTamas Jambor
    May 13, 2014 at 1:58 pm
    May 13, 2014 at 1:59 pm
  • For some reason when we installed CDH5 via CM it didnt create any of the appropriate users (hdfs, mapred, zookeeper,...) I tried re-running the upgrade wizard but still no users are being installed ...
    May 10, 2014 at 2:55 pm
    May 12, 2014 at 3:09 pm
  • Is there such a road-map? -- --- You received this message because you are subscribed to the Google Groups "CDH Users" group. To unsubscribe from this group and stop receiving emails from it, send an ...
    Hong zhi guoHong zhi guo
    May 12, 2014 at 7:17 am
    May 12, 2014 at 12:56 pm
  • I installed on 4 systems cdh4.5 with cm4.8 with method pathA and used port 22 for ssh for all the servers, now I want to change the ssh port to xxxx, what steps I need to take after I changed the ...
    Kishore kumarKishore kumar
    May 12, 2014 at 8:23 am
    May 12, 2014 at 12:55 pm
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109 users for May 2014

Harsh J: 39 posts Benjamin Kim: 20 posts Lilly yeshu: 12 posts Bommuraj Paramaraj: 11 posts Jimmy Xiang: 11 posts Roy: 9 posts Kishore kumar: 8 posts StaticVoid: 8 posts Wilfred Spiegelenburg: 8 posts Stephen Boesch: 7 posts Anuj Adhikari: 6 posts Bryan Beaudreault: 6 posts Lulu Prat: 6 posts Naisarg Patel: 6 posts Preetham Kukillaya: 6 posts Tamas Jambor: 6 posts Bilsch: 5 posts Chen Song: 5 posts Jarek Jarcec Cecho: 5 posts Jean-Daniel Cryans: 5 posts
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