scm-users@cloudera.org discussions for April 2013

17	Configuring Mapreduce parameters

Hi, I am quite confused between the different parameters available in Cloudera Manager to configure Mapreduce service. Can someone help the differences or relation among the following parameters, 1 ...

Praveen Bysani
Apr 19, 2013 at 11:29 am
Apr 24, 2013 at 11:20 am

11	Cloudera manager HA, error on NameNode

Hi, we've setup HDFS HA. We have two namenodes. One of these nodes is is "bad" state. Unfotunately I have no idea why. Please help me to understand the root cause of failure. Here is the state of ...

Serega Sheypak
Apr 24, 2013 at 9:25 am
May 17, 2013 at 8:50 pm

11	Wrong hadoop configuration seems to be pushed to nodes

We're looking at the core-site.xml in /etc/hadoop/conf/core-site.xml, the parameters we've set in CDM4.5.1 don't show up there. In CM if we go to: Services - hdfs1 - Namenode - Show (Configuration ...

Ho Duc Ha
Apr 19, 2013 at 4:55 am
Apr 22, 2013 at 2:46 pm

10	How to disable "Cloudera Manager Cloud Express Wizard"

Hi All, I'm currently building CDH cluster in Sydney AWS region which is not supported by CDH 4.5.1 express wizard. *We could not determine the region of Cloudera Manager server. Please choose the ...

Chanka Perera
Apr 9, 2013 at 1:46 pm
May 22, 2013 at 3:30 pm

10	Is selinuxenabled required?

Hi, Is selinuxenabled required to get Cloudera Manager installed? I looked into the logs and I saw this into 0.check-selinux.log root@clouderamanager:/var/log/cloudera-manager-installer# cat ...

Jean-Marc Spaggiari
Apr 26, 2013 at 1:25 am
May 1, 2013 at 2:01 am

9	Re: gplextras added.. no what?

Hi, As Sean says, this is the best list for this. To use lzo with parcels, you need to do things a bit differently from what you do with packages. We are in the process of publishing an lzo parcel, ...

Philip Langdale
Apr 30, 2013 at 4:47 pm
Jun 26, 2013 at 12:41 pm

8	SCM server non responsive

We're running a small dev instance of SCM 4.1.3-1.cm413.p0.456. Its been running with no problems until last week when we started to see HDFS errors on submitted jobs (errors referencing a non ...

Chad Metcalf
Apr 1, 2013 at 7:16 pm
Apr 2, 2013 at 1:42 am

7	Cloudera Manager 4.5.1 [Ubuntu Precise] Installer Fails

Hi, executing cloudera-manager-installer.bin throws me an error Refreshing repository metadata failed. See /var/log/cloudera-manager-installer/4.install-cloudera-manager-server.log Okay so what does ...

Prateek Baranwal
Apr 25, 2013 at 7:41 am
Oct 24, 2013 at 2:31 pm

7	Error in Installation of CDH / Impala using Cloudera manager 4.5.0

I am trying to install CDH and impala through CM and it stucks in following error every time Installation failed. Failed to receive heartbeat from agent. Ensure that the host's hostname is configured ...

Neha bagdia
Apr 30, 2013 at 11:40 am
May 6, 2013 at 4:34 pm

7	cloudera manager(free edition) is bad

is there any way i can edit the configure file directly for all services cloudera managed? when i try to change the default database for hue/oozie/hive to mysql, it never start the service ...

Rex Zhen
Apr 30, 2013 at 12:37 am
Apr 30, 2013 at 6:21 pm

7	Problem adding services no hosts

I have been installing cloudera manager enterprise free on a single node which I would like to run for testing purposes using pseudo distributed mode when I go to add services, it can't find any ...

Christopher Noyes
Apr 17, 2013 at 6:52 pm
Apr 17, 2013 at 9:48 pm

7	Installation failed. Failed to receive heartbeat from agent.

Hello I am trying to install CDH 4.5 via Cloudera Manager OS: Ubuntu 12.04 64bits Hosts configuration (all cloned) 192.168.1.50 node1.example.com node1 <----- This node has Cloudera Manager ...

SP
Apr 13, 2013 at 2:08 am
Apr 13, 2013 at 9:26 pm

7	Unable to run Third Party application accessing HDFS because Kerberos security for Hadoop is ON

Hi, My CDH4 cluster is enable with Kerberos authentication. I have tested this successfully. But when I am trying to a run a third party application (Spark job) which uses HDFS for input/output, I am ...

Gaurav Dasgupta
Apr 2, 2013 at 8:39 am
Apr 3, 2013 at 8:54 am

6	hadoop-env.sh file

Hi, I need to specify some settings in hadoop-env.sh . Where is this file located ? Thanks, Abhinav

Abhinav wagle
Apr 1, 2013 at 7:51 pm
May 29, 2013 at 4:35 pm

6	Failed to initialize high availability state in Zookeeper while enabling Automatic Failover

HI, I have enabled HA in my CDH4 cluster using CM. While "Enabling Automatic Failover", it is unable to initialize HA in zookeeper. It gives the following error message: Failed to initialize High ...

Gaurav Dasgupta
Apr 30, 2013 at 6:31 am
May 3, 2013 at 7:09 pm

6	HIve bottlenecks

Hi everyone I have installed CDH4.2 with CM 4.5 on a 3 node cluster. Playing around with HIve and Map reduce I have a weird behaviour I can't seem to fix. One of my nodes takes an unusual long time ...

Nicolas Maillard
Apr 15, 2013 at 1:41 pm
May 3, 2013 at 2:38 pm

6	Re: Upgrading from CDH3u5 to CDH4201 - Can I do it through Parcels?

Hi, Moving your inquiry over to the scm-users@ list, since they should be better informed on parcels. Best, Andrew

Andrew Wang
Apr 26, 2013 at 5:36 am
Apr 29, 2013 at 4:37 pm

6	Performance for hive query is poor

i have a new installed CDH cluster with 1 name node running job tracker, 4 data nodes running task tracker. 32G memory for each node, 2CPUx4Core each, 4 disks for the data nodes. I adjust the nofile ...

Rex Zhen
Apr 23, 2013 at 10:13 pm
Apr 25, 2013 at 8:27 pm

6	Need help to recover Hbase service from N/A status

Hi I have a hadoop cluster of 4 systems set up with cloudera cdh4. Recently i ran out of space on HDFS, so hdfs went to safe mode. Due to this hbase( with 1 master and 4 regionservers) waited on hdfs ...

E Purnachandra patro
Apr 23, 2013 at 1:41 pm
Apr 25, 2013 at 10:17 am

5	RHadoop implementation on Hadoop cluster

Hi everyone, I'm new to Cloudera manager and currently working on Rhadoop. For background, I've installed and configured Hadoop cluster(5 nodes) via Cloudera manager. Also, R and rmr has been ...

Fiona ren
Apr 26, 2013 at 4:45 pm
May 15, 2013 at 3:25 pm

5	Installation failed. Failed to receive heartbeat from agent.

Hi, I have Installed CM 4.5, all my installation was successful but getting the below error: Installation failed. Failed to receive heartbeat from agent. - Ensure that the host's hostname is ...

Padmanabhan S
Apr 28, 2013 at 8:18 am
May 10, 2013 at 1:37 pm

5	Cloudera Manager Upgrade from 377 to 451 - Parcels are not shown though Parcel icon shows "New" Parcels available

Hi All, Currently CM is 377 and CDH3U5 Trying to upgrade CM 4.5.1 and CDH4201 The cluster is disconnected from internet and http://archive.cloudera.com is running to local Apache webserver Processed ...

Training My Hobby
Apr 26, 2013 at 12:52 am
Apr 26, 2013 at 7:24 pm

5	cloudera manager failed to add host and failed to upgrade

Hi, When I try to add a host to an existing cluster, on the manager UI: 1) search the host; 2) select release of Cloudear Manager Agent of "Matched release for this Cloudera Manager server" 3) ssh ...

Wei lu
Apr 17, 2013 at 4:05 am
Apr 19, 2013 at 7:19 am

5	Fwd: Delivery Status Notification (Failure)

Hi Philip Thanks for your response. As mentioned earlier I have implemented Kerberos on my cluster and I could not find any Kerberos explanation( I mean changes to be done in the Kerberos config ...

Rohit sarewar
Apr 12, 2013 at 3:41 pm
Apr 16, 2013 at 9:41 am

5	express-wizard stuck on "Installing Selected Parcels"

Hello, I had started the express-wizard setup on a local cluster, but the DNS server information was incorrect (we didn't have reverse DNS lookup). I got part-way through the installation, and then ...

Daniel Sprechman
Apr 12, 2013 at 7:14 pm
Apr 13, 2013 at 6:17 pm

5	installation failed -- cloudera manager and cdh3

I'm trying to add 3 hosts to an existing 32 node production cluster... it gets all the way to installing Hue and then dies. BEGIN yum info hue-hadoop-auth-plugin Loaded plugins: dellsysid, ...

Mike Denning
Apr 9, 2013 at 10:14 pm
Apr 11, 2013 at 1:29 am

4	Cannot uninstall Cloudera Manager

Hi All I an unable to uninstall Cloudera Manager 4.5. Please find the error message below. *./uninstall-cloudera-manager.sh: 2: exec: ./.mojosetup/mojosetup: not found * Please help Regards Rohit

Rohit sarewar
Apr 23, 2013 at 4:51 pm
Feb 13, 2014 at 6:24 pm

4	Datanode denied communication with namenode

I ran into this error when I add hdfs1 service using Cloudera Manager. I am first time using Cloudera Manager. What could be wrong here? 2013-04-24 23:14:46,929 FATAL ...

Mani
Apr 25, 2013 at 6:33 am
Dec 6, 2013 at 7:16 pm

4	PATH settings for streaming jobs

Hi, a client has problems running certain streaming jobs. From the error message we realized the streaming command could not be found on the search path and, running diagnostics jobs, that the PATH ...

Antonio Piccolboni
Apr 15, 2013 at 8:27 pm
Aug 4, 2013 at 6:38 pm

4	Convert a non-managed to be managed in Cloudera Free/Enterprise manager

Hi, Is it possible to convert a non-managed grid into a cloudera manager managed grid? Thank you

Wongster80
Apr 24, 2013 at 1:29 am
Jul 11, 2013 at 6:28 am

4	Production Cluster setup using cloudera manager

Hi, I have been testing with 2 node hadoop/Hbase cluster using cloudera manager 4.0. It is working great. Now, I am moving to production setup (a small Hadoop cluster). I have been given 4 physical ...

Gmur37
Apr 30, 2013 at 5:44 pm
May 6, 2013 at 4:39 pm

4	Installing HDFS - Starting datanodes - Supervisor returned FATAL: LANG = "us"

Does anyone know how to fix this issue while setting up HDFS, I'm getting this when it's starting datanodes: Supervisor returned FATAL: LANG = "us" are supported and installed on your system. perl ...

Wongster80
Apr 23, 2013 at 5:46 am
May 1, 2013 at 6:01 pm

4	Failed to install cluster using SSH private key

Hello, I can't get the SSH authentication to work on my configuration, using the latest Cloudera Manager Free... I can ssh and sudo from my head machine to any node without any password prompt, i.e ...

Thomas Conté
Apr 30, 2013 at 4:02 pm
Apr 30, 2013 at 7:10 pm

4	Configure a tiered Flume toplogy

I'm trying to configure a tiered flume toplogy using the Cloudera Manager (free edition). see http://blog.cloudera.com/blog/2013/01/how-to-do-apache-flume-performance-tuning-part-1/ for a typical ...

Lance
Apr 18, 2013 at 6:56 pm
Apr 29, 2013 at 5:02 pm

4	What does Cloudera use Zookeeper for?

I see Zookeeper is installed with CDH4, but I don't see it running. What is its purpose & state of use in CDH4? I have a mapreduce job that needs to coordinate distributing blocks of IDs to the ...

David Parks
Apr 25, 2013 at 11:26 am
Apr 25, 2013 at 12:50 pm

4	Hadoop Environment Variables

Is there a list of the environment variables that SCM creates when installing CDH? Many pages refer to HADOOP_HOME, HADOOP_INSTALL, etc. Or does the user have to manually create the env variables if ...

John Meza
Apr 9, 2013 at 5:43 am
Apr 10, 2013 at 3:58 pm

4	location of the stdout.log for services configured from cloudera manager

Hello, I have configured flume service through cloudera manager. Through my custom sink class, i am printing some logging to stdout. Through the cloudera manager, the stdout.log is not complete. As ...

Madhu M
Apr 10, 2013 at 4:04 am
Apr 10, 2013 at 4:59 am

4	Removing parameters using Cloudera Manager ?

In my production cluster the core-site.xml has the following parameters that I DON'T want... How do I remove them using Cloudera Manager <property <name hadoop.security.authentication</name <value ...

Sanjay Subramanian
Apr 3, 2013 at 7:10 pm
Apr 4, 2013 at 5:10 pm

4	Host inspector hang after upgrade CDM4.1.1 to CDM 4.5.0

After update cdm to 4.5.0, the auto host inspector just timed out. Originally the repo was pointing to http://archive.cloudera.com/cm4/redhat/6/x86_64/cm/4.1/, switch it to ...

Joey Pan
Apr 1, 2013 at 10:51 pm
Apr 2, 2013 at 5:30 pm

3	Beewax Server Pointing to Wrong NameNode after moving nameNode

Before I break something else trying to fix this, I thought I'd throw the question out there. I had a server in my CM 4.5.1 / CDH 4.2.1 cluster that held the NameNode, JobTracker, Hive, Hue, and ...

Corgone
Apr 26, 2013 at 1:24 pm
Apr 26, 2013 at 6:36 pm

3	What's the right way to run a job in CDH4?

Newbie question I know. I'm migrating our ~10 jobs from AWS/Hadoop 1.0.3 to CDH4 now. Previously I submitted all jobs programmatically using the Job object and ControlledJob to manage dependencies ...

David Parks
Apr 24, 2013 at 7:27 am
Apr 24, 2013 at 8:26 am

3	Running cloudera manager installer in non TUI mode.

Hi, I am trying to install cloudera manager using the cloudera manager installer in a cloud setting. I am using chef recipes to setup the instances in the cloud. The commands I am using in the chef ...

Abhishek desai
Apr 19, 2013 at 2:42 am
Apr 23, 2013 at 8:02 am

3	Help Needed Installation of cloudera manager failed on ubuntu

Hi I am running the cloudera manager installer on my ubuntu and i am configuring for a single node cluster .I keep getting the below error * **Installation failed. Failed to receive heartbeat from ...

Raghuram Gururajan
Apr 20, 2013 at 5:27 pm
Apr 22, 2013 at 8:36 am

3	Flume start issue from cloudera manager

Hello, Has anyone experienced flume start issue from cloudera manager. I am getting below error when i try to start flume agent from cloudera manager Supervisor returned FATAL ...

Madhu M
Apr 19, 2013 at 4:02 am
Apr 19, 2013 at 4:32 pm

3	Install seems ok, but no web page

Really would appreciate any assistance you might provide as I am new to Cloudera-Installation-Manager. Attempted an install and all seemed to go well, but I am getting logs saying no heartbeats and ...

Ray Morehead
Apr 19, 2013 at 12:57 am
Apr 19, 2013 at 3:38 pm

3	Incompatible versions

Hey All, I've been trying to add additional nodes to an existing 32 node cluster running cdh3. This is a production cluster, so I'm not looking to upgrade -- at least not on the fly. When I added the ...

Mike Denning
Apr 14, 2013 at 6:30 pm
Apr 15, 2013 at 9:50 pm

3	Best way take CHD4 config file backup via CM.

Hi Guys, Best way take CM config file backup. I my case. I am using HDFS,HBASE service currently using. We are managing cluster via. CM. I seen download client-config.zip option in CM. I downloaded ...

Dhanasekaran Anbalagan
Apr 13, 2013 at 12:00 pm
Apr 15, 2013 at 8:03 pm

3	pseudo distributed mode on single node using cm4

hi how do i launch hadoop in pseudo distributed mode on a single node using cloudera manager thanks arun

Arunkumar Puppala
Apr 13, 2013 at 8:46 am
Apr 13, 2013 at 3:56 pm

3	How do I add hadoop.tmp.dir in core-site.xml using Cloudera Manager

Hi How do I add hadoop.tmp.dir in core-site.xml using Cloudera Manager ? Adding stuff to core-site.xml has been a BIG question mark for me anyway since I went the Cloudera Manager route thanks sanjay

Sanjay Subramanian
Apr 12, 2013 at 7:22 pm
Apr 12, 2013 at 9:19 pm

3	It's true CM-4.5 Free Edition support unlimited hosts?

Hi Guys, It's true CM-4.5 Free Editions support unlimited hosts? I went some cloudera doc say FreeEditions support unlimited hosts ...

Dhanasekaran Anbalagan
Apr 11, 2013 at 7:54 pm
Apr 11, 2013 at 11:11 pm

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