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61 discussions - 268 posts

  • Hi All, Earlier without using cloudera manager/CDH packages, I manually installed hadoop/zookeeper/hbase/sqoop in 2 node Centos cluster. When I ran sqoop script to load data from oracle 11g R2 to ...
    Aug 13, 2012 at 5:31 pm
    Aug 27, 2012 at 3:36 pm
  • Hi All, I have 2 nodes CentOS hadoop cluster. I installed cloudera manager 4.0 free edition and CDH 4.0.3. Installation went smooth. I installed sqoop on it today. When I run the sqoop import to load ...
    Aug 13, 2012 at 2:27 pm
    May 16, 2013 at 9:57 pm
  • Hi Ioan, Responses below -- This is the problem. The CM API doesn't expose the node installer. You'll have to install, configure, and start the agent. Once this is done and you see the agent ...
    Casey ChingCasey Ching
    Aug 20, 2012 at 11:54 pm
    Jan 2, 2014 at 5:41 pm
  • I have setup a CDH3 cluster on CentOS 6.3. For the Names nodes, I have 4 physical disks in each, in JSOB setup. And I have each drive mounting to a folder in /mnt. Eg /mnt/disk1, /mnt/disk2, ...
    Aug 30, 2012 at 1:58 pm
    Aug 31, 2012 at 11:58 am
  • Hi, Can anyone please help me the installation of CLodera Manager 4.0 Free Edition. I am trying to install it using "cloudera-manager-installer.bin" and getting the following error: Failed to ...
    Megha AgrawalMegha Agrawal
    Aug 7, 2012 at 9:02 pm
    Aug 16, 2012 at 6:18 pm
  • I'm new to Hadoop and Linux and am setting up a single node training environment so I can learn. I have followed the instructions to the letter to install Cloudera Manager 4. When running ...
    Aug 5, 2012 at 3:56 am
    Aug 9, 2012 at 11:18 am
  • Hi everyone, I'm trying to monitor hdfs with ganglia, which isn't included in the free edition of CM4. Question is, where do I modify the configuration settings on the hadoop nodes to send the ...
    Koh LinxinKoh Linxin
    Aug 6, 2012 at 3:09 am
    Oct 2, 2012 at 5:39 pm
  • All, I'm trying to set the HDFS Safety Value to disable the dfs.permissions flag. This is what I've inserted into the field: <property <name dfs.permissions</name <value false</value </property The ...
    Nik HodgkinsonNik Hodgkinson
    Aug 20, 2012 at 11:32 pm
    Sep 12, 2012 at 9:11 pm
  • Hello Cloudera Manager users, I'm testing out YARN for the first time for my organization and am having trouble running a simple YARN grep app. I was hoping somebody should help me as I seem to be ...
    Jon RamosJon Ramos
    Aug 27, 2012 at 7:03 pm
    Aug 28, 2012 at 6:57 pm
  • Hey all, I successfully installed Cloudera Manager and a 3-node cluster. De webinterface - which is gorgeous by the way! - is running fine, and I can access it from the browser on my Mac, which is in ...
    Daan DebieDaan Debie
    Aug 23, 2012 at 12:12 pm
    Aug 23, 2012 at 3:43 pm
  • Hey all, I'm trying to write a simple YARN-based application but I'm stuck at writing files to HDFS. I've managed to figure out the mechanics of running jar files in containers on the various ...
    Thinus PrinslooThinus Prinsloo
    Aug 8, 2012 at 9:28 am
    Sep 4, 2013 at 8:41 am
  • Hi, I am using CDH4 on a single machine as both client and server node. Telnet works perfectly fine. The DATANODE doesn't start. I am unable to upload sample table for analysis onto Hadoop using the ...
    Debashis GhoshDebashis Ghosh
    Aug 20, 2012 at 8:20 pm
    May 17, 2013 at 1:01 am
  • Hello users, I am using cloudera manager on centOS 6.2. I would like to access cloudera manager remotely. There is a public IP assigned to the machine hosting cloudera manager. However, due to ...
    Praveenesh kumarPraveenesh kumar
    Aug 8, 2012 at 6:45 am
    Aug 10, 2012 at 7:49 am
  • Hi, I have installed Cloudera Manager with CDH3 in my CentOS 6.2 cluster. I was able to browse the cloudera manager web UI from the host using http://localhost:7180 address. In order to test, I ...
    Gaurav DasguptaGaurav Dasgupta
    Aug 9, 2012 at 11:48 am
    Jan 2, 2013 at 6:40 am
  • Hello users, Hi all, I have a hadoop setup using cloudera manager. How can I use "hadoop job -history" command ? I can see the logs directory in "/var/log/hadoop/history/done" But how can I use ...
    Praveenesh kumarPraveenesh kumar
    Aug 27, 2012 at 9:35 am
    Aug 27, 2012 at 11:34 am
  • I used the manager to start CDH4 with one cluster on three servers. The service hdfs1 has status Started but with Health Bad. The Role Countes are 1 SecondaryNameNode, 1 NameNode, 1 Balancer, 2 ...
    Aug 15, 2012 at 9:44 pm
    Aug 16, 2012 at 4:58 pm
  • Hello, Configuring a HDFS service with the API shows configuration validation errors in the CM web console. The UI reports that the nodes are configured correctly. This happens at the service level ...
    Ioan Eugen StanIoan Eugen Stan
    Aug 27, 2012 at 10:01 am
    Aug 27, 2012 at 4:14 pm
  • Hi, I installed the CDH4 Manager on a 12-node cluster, it all went fine. However, none of the services are started (the services page is empty). During installation it showed the IP addresses of ...
    Krisztian BalogKrisztian Balog
    Aug 21, 2012 at 5:49 pm
    Aug 22, 2012 at 10:28 am
  • Hi all, I made some changes to HDFS configuration via the UI console. Mainly I added a few parameters in HDFS Service Configuration Safety Valve. This change does not seem to reflect the file that is ...
    Aug 7, 2012 at 11:39 pm
    Aug 20, 2012 at 8:45 pm
  • Hello, I've seen similar posts to this but I can't find a solution that works for me. I'm running SCM4 and CDH 3u5. The dfs_hosts_allow.txt on the namenode shows only IP addresses. When a datanode ...
    Jim KlucarJim Klucar
    Aug 16, 2012 at 7:22 pm
    Aug 19, 2012 at 9:51 pm
  • Hi, Guys: Question 1 about configuration: When using CM, configuration is a very depressing thing, as far as my experience. For example: Install hadoop from apache.org, a. download tarball b. create ...
    Aug 9, 2012 at 6:29 am
    Aug 10, 2012 at 8:56 am
  • Hi, Gugs: I use CM free edition to add service. but there is not all service available. From Cloudera Manage Admin Console: *hosts- [select a host] - components:* *Component* Cloudera Manager Agent ...
    Aug 8, 2012 at 5:51 am
    Aug 8, 2012 at 3:32 pm
  • Hi All, I have a oracle11g table that has 10 miillon rows with 20 columns each. I am loading it to hbase using sqoop import. Hbase consumes lot of space for this single table. Is there a way I ...
    Aug 30, 2012 at 8:15 pm
    Sep 8, 2012 at 12:28 pm
  • Hi, Problem: It looks like the agent config file at /etc/cloudera-scm-agent/config is using the server host name that it finds via reverse DNS lookup or something. Now, reverse DNS is a bit esoteric ...
    Sam DarwinSam Darwin
    Aug 28, 2012 at 1:38 pm
    Aug 29, 2012 at 7:43 am
  • Hello, We encountered some issues when deploying a HDFS cluster with CM by API. I noticed that cloudera-manager-agent binds to localhost by default and I need it to bind to a certain network ...
    Ioan Eugen StanIoan Eugen Stan
    Aug 27, 2012 at 10:07 am
    Aug 28, 2012 at 12:32 pm
  • Hi, I'm trying to run my first simple MapReduce word count example on a one-node cluster running Cloudera Manager 4 + CDH4. I'm using the examples.jar. I seem to be getting a permission denied ...
    Jon RamosJon Ramos
    Aug 18, 2012 at 11:59 pm
    Aug 27, 2012 at 7:02 pm
  • Dear Cloudera Manager Users, I'm pleased to announce the release of Cloudera Manager versions 4.0.4 and 3.7.8. These are enhancement releases for Cloudera Manager 4.x and Cloudera Manager 3.7.x ...
    Aditya AcharyaAditya Acharya
    Aug 21, 2012 at 10:01 pm
    Aug 22, 2012 at 12:21 pm
  • I thought I'd try out Cloudera Manager 4 to install a new cluster. For interoperability with existing clusters I chose to install the latest version of CDH3. Unfortunately, when the install on each ...
    Graeme WallaceGraeme Wallace
    Aug 21, 2012 at 1:18 am
    Aug 21, 2012 at 6:39 am
  • Hi, is this possible at all? Cheers, Martin
    Aug 2, 2012 at 1:36 pm
    Aug 3, 2012 at 2:47 pm
  • Greetings people ! well its good to meet you here , I have a basic doubt ! Its regarding the admin console after installing manager application for Cloudera , Will there only be 8 components ? ...
    Aug 28, 2012 at 12:06 pm
    Oct 17, 2012 at 10:27 am
  • Hi All, I have 2 nodes Centos cluster running CM/hadoop/hbase. I had 30GB each for both node. I loaded data to hbase which filled up the space. Now, my admin says he can increase 20GB to 200GB each ...
    Aug 28, 2012 at 5:12 pm
    Aug 30, 2012 at 8:17 pm
  • Is there a way to change the default web page port for Cloudera Manager from 7180 to something else?
    Jon RamosJon Ramos
    Aug 28, 2012 at 8:16 pm
    Aug 29, 2012 at 5:21 am
  • Hey everyone! I have installed Hadoop (plain non-Cloudera Hadoop) on my Macbook Pro, and explored it by writing some simple MR programs fora analysing some Apache logfiles. Now I want try out running ...
    Daan DebieDaan Debie
    Aug 19, 2012 at 2:43 pm
    Aug 19, 2012 at 5:51 pm
  • Ok, so I'm trying to make/run some script that I can configure at runtime to create a new cluster, assign roles and configure services. Essentially I want to be able to import a Configuration script ...
    Adam JaggersAdam Jaggers
    Aug 15, 2012 at 6:57 pm
    Aug 15, 2012 at 8:19 pm
  • We installed the free edition manager and CDH4. Everything works fine. Now we want to try CDH3u4 and uninstalled the manager. But no matter what we do, the manager seems to remember previous hosts ...
    Aug 14, 2012 at 3:01 pm
    Aug 15, 2012 at 7:38 pm
  • Hi, When I run hbase shell command, it shows the below and then logs into the hbase. 12/08/13 13:03:53 WARN conf.Configuration: hadoop.native.lib is deprecated. Instead, use io.native.lib.available ...
    Aug 13, 2012 at 5:07 pm
    Aug 13, 2012 at 5:18 pm
  • Hi All, Cloudera manager creates the hdfs user during install. What is the password for it? Thanks
    Aug 13, 2012 at 3:56 pm
    Aug 13, 2012 at 5:04 pm
  • We have installed CDH4 and also want to be able to build our own and instrument. However I can't even clean and it fails due to broken link. Any idea ? If anyone has built it, please share if you saw ...
    Aug 11, 2012 at 3:47 am
    Aug 11, 2012 at 6:48 pm
  • In my cloud i have 4 nodes, that have a nat ip to connect among themselves and another ip that is the one configured in the interfaces for eth0. When i install the machines, the conecction with ssh ...
    Mauro CohenMauro Cohen
    Aug 3, 2012 at 3:07 pm
    Aug 6, 2012 at 4:55 am
  • Hi All, I am trying to count the rows in the hbase table using "count <tablename ' It works fine but the count does not include the versions. Is there a way I can find the count including the ...
    Aug 31, 2012 at 4:27 pm
    Sep 1, 2012 at 5:36 pm
  • For Ubuntu support checkout Cloudera Manager 4. https://ccp.cloudera.com/display/FREE4DOC/Requirements+for+Cloudera+Manager Btw, there is scm-users group, its a better place for these questions.
    Casey ChingCasey Ching
    Aug 28, 2012 at 8:29 pm
    Aug 28, 2012 at 8:43 pm
  • Hi, When I change the rep factor for HDFS using Cloudera Manager Free edition, under the HDFS service configuration, which underlying XML file does that actually get updated in? For example, I ...
    Jon RamosJon Ramos
    Aug 27, 2012 at 3:53 pm
    Aug 27, 2012 at 4:59 pm
  • Hello folks. I am new to Cloudera and am attempting to visit the webserver so that I can continue my install (after successfully completing cloudera-manager-installer). When I was unable to connect ...
    Aug 21, 2012 at 8:23 pm
    Aug 24, 2012 at 3:19 am
  • hi, I disabled the selinux and installed the cloudera manager.It is working fine. Now I want to enable the selinux permanently, whether cloudera manager works with the selinux enabled or give any any ...
    Bala krishnanBala krishnan
    Aug 23, 2012 at 2:56 pm
    Aug 23, 2012 at 3:16 pm
  • I'm using the python library and API to configure my cluster. Anyone know where (in role or service) I can set the fs.default.name property. I've tried something like the following: MAPRED_CONF = { ...
    Scuba HunterScuba Hunter
    Aug 21, 2012 at 8:33 pm
    Aug 22, 2012 at 10:25 pm
  • I can edit the configuration just fine, but when I try to override it for a single data node by clicking the "Configuration" link, I get this: Server Error A server error has occurred. Please send ...
    Dave BernardoDave Bernardo
    Aug 18, 2012 at 12:51 am
    Aug 20, 2012 at 11:37 pm
  • There isn't a specific CM API user group so I hope this is an appropriate place to ask this. I'm currently working on an AMAZON EC2 cluster. I'm using the latest Cloudera Manger and CDH4. I have a ...
    Scuba HunterScuba Hunter
    Aug 20, 2012 at 10:05 pm
    Aug 20, 2012 at 10:26 pm
  • Hi, I am currently trying to tune a CDH 4.0.1 cluster running HDFS, YARN, and HBase managed by Cloudera Manager 4.0.3 (Free Edition). In CM, there are a number of options for setting mapreduce.* ...
    Aug 16, 2012 at 4:22 pm
    Aug 16, 2012 at 5:37 pm
  • Hi, guys: I am using Cloudera Manger free edition. Following the tutorial install CDH, I encountered problems: *the first one is:* *The tutorial:* ...
    Aug 8, 2012 at 2:08 am
    Aug 8, 2012 at 4:02 am
  • Hi all, I notice that during namenode startup, cloudera-scm-agent creates a file "dfs_hosts_allow.txt" under: /run/cloudera-scm-agent/process/xxx-hdfs-NAMENODE/dfs_hosts_allow.txt For the IP's listed ...
    Aug 7, 2012 at 11:44 pm
    Aug 7, 2012 at 11:54 pm
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56 users for August 2012

Mike: 30 posts Joey Echeverria: 22 posts Harsh J: 18 posts Megha Agrawal: 12 posts Philip Zeyliger: 12 posts Jon Ramos: 11 posts bc Wong: 9 posts John Kelly: 9 posts Kevin O'dell: 9 posts Praveenesh kumar: 9 posts Daan Debie: 8 posts Alex_of_oz: 7 posts Vikas Singh: 7 posts 杨荣权: 7 posts Casey Ching: 6 posts Scuba Hunter: 6 posts Young Maeng: 5 posts Andy: 4 posts Ioan Eugen Stan: 4 posts Nik Hodgkinson: 4 posts
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