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183 discussions - 654 posts

  • Hi all, I just implemented HA and automated failover via Cloudera Manger, and all is great with one exception. :) I had some FlumeNG agents dumping to an hdfs.path of: http://namenode.domain.com/ ...
    Chris NealChris Neal
    Sep 7, 2012 at 3:22 pm
    Sep 7, 2012 at 7:52 pm
  • I'm trying to generate metrics. I have the following in my /etc/hadoop/conf/hadoop-metrics2.properties. I am using CDH4. But I have not been able to generate any metrics. Whatelse should I config? ...
    JhuangJhuang
    Sep 6, 2012 at 7:03 pm
    Jun 17, 2013 at 1:12 pm
  • Hello, I'm trying to submit a MapReduce job to my 3 node cluster, but after several days I'm still unable to get my job(s) to run. They work fine when I'm in standalone/use a local job runner. (in ...
    Stefan SchwoeglerStefan Schwoegler
    Sep 23, 2012 at 9:19 pm
    Oct 9, 2012 at 9:59 pm
  • How to reduce the amount of time before a region server outage is detected and the HBase Master reassigns the region. Currently this takes a few minutes, during which time we get failures in the ...
    Willy ChangWilly Chang
    Sep 10, 2012 at 10:13 pm
    Sep 12, 2012 at 8:04 pm
  • Hi all I am trying a new install today of the CDH manager and not sure if something is broken. I get the following error. I can't see the packages in ...
    Varsha karthikVarsha karthik
    Sep 14, 2012 at 6:27 pm
    Sep 14, 2012 at 8:54 pm
  • Hi Guys, I am using sqoop command to import data from Netezza. Whenever I use the "sqoop import" command without "--direct" it gives me the error "SQLException in nextKeyValue". Here is ...
    NitinNitin
    Sep 25, 2012 at 6:22 pm
    Mar 1, 2013 at 3:26 am
  • When running an oozie workflow as myuser, streaming actions are still executed as yarn user. This is what the log shows: mv: Permission denied: user=yarn, access=WRITE, ...
    Knut HellanKnut Hellan
    Sep 28, 2012 at 2:23 pm
    Oct 29, 2012 at 6:04 pm
  • Any ideas on why so many shuffle errors in YARN CDH4? ERROR org.apache.hadoop.mapred.ShuffleHandler: Shuffle error --
    Willy ChangWilly Chang
    Sep 20, 2012 at 5:29 pm
    Sep 20, 2012 at 8:47 pm
  • Hello everybody, I am a newbie to Hadoop. I want to use Cloudera and thought that using the offered VM image is best alternative for getting started (CDH4 image ...
    Kai WähnerKai Wähner
    Sep 14, 2012 at 12:25 pm
    Sep 22, 2012 at 9:03 am
  • Is MRv2 on CDH4.0.1 production ready? --
    WayneWayne
    Sep 12, 2012 at 4:17 pm
    Sep 21, 2012 at 6:08 am
  • hi do Apache oozie support Hbase database please reply as soon as possible --
    HARRY POTTERHARRY POTTER
    Sep 24, 2012 at 5:58 am
    Dec 7, 2012 at 2:17 pm
  • Hi, We just recently upgraded to cdh3u5 and we understand the layout of the job history files have changed in this new release. However, we are seeing that old history files are being cleared out way ...
    Tin KyawTin Kyaw
    Sep 17, 2012 at 10:22 pm
    Oct 13, 2012 at 3:52 pm
  • My use case requires to set *"FILE-PATH" *in <configuration and pass the values in the arguments of the Java Main Class. However Oozie says "*FILE-PATH variable cannot be resolved". * If we can't ...
    NitinNitin
    Sep 20, 2012 at 2:44 pm
    Oct 3, 2012 at 1:41 pm
  • Hi, I am trying to execute a MR job on CDH4u0-mr2 cluster but, end up getting the exception: Application application_1348050328006_0002 failed 1 times due to AM Container for ...
    Subroto SanyalSubroto Sanyal
    Sep 20, 2012 at 12:59 pm
    Sep 28, 2012 at 11:03 am
  • Hi All, The following is my cluster information , Configured Capacity : 500.41 GB DFS Used : 44.87 GB Non DFS Used : 299.07 GB DFS Remaining : 107.46 GB DFS Used% : 9.94 % DFS Remaining% : 23.81 % ...
    GiriGiri
    Sep 13, 2012 at 7:51 am
    Sep 13, 2012 at 4:13 pm
  • Hi, Can some one tell me if the revisions *r1033804* and *r987589* have been committed to CDH3u4? Thanks, Gaurav Dasgupta --
    Gaurav DasguptaGaurav Dasgupta
    Sep 19, 2012 at 9:34 am
    Oct 4, 2012 at 5:45 am
  • Hi All, CDH 4.0.3 - hive comes with 0.8 version. Do you guys have steps to upgrade it to 0.9 version please? Thanks --
    MikeMike
    Sep 25, 2012 at 7:52 pm
    Sep 26, 2012 at 1:59 pm
  • Hi, I am trying to start Datanode in Secure Mode but, it fails immediately with the following exception: 2012-09-11 12:50:10,757 WARN org.apache.hadoop.hdfs.server.common.Util: Path ...
    Subroto SanyalSubroto Sanyal
    Sep 11, 2012 at 6:10 pm
    Sep 21, 2012 at 4:04 pm
  • I am unable to run the pig examples using Oozie workflow. I can run the Oozie map-reduce examples though. Following is what I see in the Oozie job-log, corresponding to the failed job : 2012-09-17 ...
    Bijeet SinghBijeet Singh
    Sep 17, 2012 at 1:47 pm
    Sep 21, 2012 at 1:29 pm
  • Hi, We have NameNode configured to store its meta-data in two locations. One of them is NFS. Is there a way to do a backup (snapshot) of meta-data without turning off NN? Bartek -- Bartosz Cisek, ...
    Bartosz CisekBartosz Cisek
    Sep 19, 2012 at 11:58 am
    Sep 20, 2012 at 6:54 am
  • Nearly 500GB of storage under /tmp/hbase-hadoop/zookeeper/version-2, is this normal? These appear to be logs and snapshots. 500GB storage is very large, is there a way to purge it or policy to ...
    Willy ChangWilly Chang
    Sep 13, 2012 at 8:22 pm
    Sep 15, 2012 at 3:05 am
  • Hello cdh-user, I'm seeing an add issue after dealing with this issue that Kevin was having in "NameNode recovering unfinalized segments" ...
    Cooper SimmonsCooper Simmons
    Sep 14, 2012 at 4:47 pm
    Sep 14, 2012 at 9:52 pm
  • I don't see the setting hadoop.tmp.dir in cloudera manager. How do I change this setting? --
    Mark GoldenMark Golden
    Sep 11, 2012 at 7:49 pm
    Sep 12, 2012 at 9:02 pm
  • Hi, Please any one help me how to setup new Hadoop Cluster in Linux. Regards, Prabakaran M --
    Prabakaran MathaiyanPrabakaran Mathaiyan
    Sep 7, 2012 at 6:18 am
    Sep 8, 2012 at 12:45 pm
  • Hi, I'm starting to create an Hadoop cluster based on the CDH 4. Environment : CDH 4.0.1, 2 with 2 nodes Red Hat Cluster. I'm facing this exception : 12/09/17 09:46:32 ERROR ...
    CseCse
    Sep 17, 2012 at 2:08 pm
    Oct 3, 2012 at 8:55 am
  • [cross posting oozie-users@ and cdh-user@] I am new to Oozie but I am pretty sure I have the frequency set to once an hour or every 60 minutes in the coordinator config but it keeps running at 5 ...
    HodgesHodges
    Sep 29, 2012 at 10:42 pm
    Oct 3, 2012 at 4:01 am
  • Dears, I'm using Hadoop-.20.2-cdh3u3 , I got eclipse plugin from Internet and the plugin when configure it raises EOF exception Call to Master/192.168.2.20:9001 (map reduce place) failed on local ...
    AtiatoAtiato
    Sep 29, 2012 at 8:22 pm
    Sep 30, 2012 at 6:09 pm
  • Hi, We have 3 virtual machines (VMWare, Linux 64, 8 cores and 20G memory ) as a test environment, which we run HBase/Hadoop CD3H4. I found the HBase read is very slow about 10-20 seconds for couple ...
    John FangJohn Fang
    Sep 25, 2012 at 3:09 pm
    Sep 26, 2012 at 12:54 am
  • Hi All, Is the Sqoop Teradata connector 1.1 says it's been tested against Teradata 13.10. https://ccp.cloudera.com/display/con/Cloudera+Connector+for+Teradata+User+Guide%2C+version+1.1.0 Does anyone ...
    Stuart HorsmanStuart Horsman
    Sep 23, 2012 at 9:42 am
    Sep 25, 2012 at 1:02 pm
  • Hi All, How to configure Namenode so that it backups its metadata on the NFS server. Regards Krish --
    KrishKrish
    Sep 18, 2012 at 6:16 pm
    Sep 18, 2012 at 9:44 pm
  • Stack trace: [social@bda1node01 social-sentiment-0.2.2.test]$ Exception in thread "main" java.lang.NoSuchMethodError ...
    Alvin LiuAlvin Liu
    Sep 13, 2012 at 9:12 am
    Sep 18, 2012 at 3:55 pm
  • I am experimenting with cdh4. I used whirr 0.8.0 to launch an MRV1 cluster. I am getting the following errors when trying to connect to the jobtracker. My maven project includes 2.0.0-mr1-cdh4.0.1 ...
    Arun RamakrishnanArun Ramakrishnan
    Sep 11, 2012 at 6:54 pm
    Sep 12, 2012 at 1:11 am
  • Hello, I checked out the source of hive-0.8.1 release from here[1] and tried to run a clean build of it. However, I am encountering certain test failures on doing a "ant clean tar test". For ...
    Kulkarni SwarnimKulkarni Swarnim
    Sep 7, 2012 at 4:16 pm
    Sep 9, 2012 at 4:49 pm
  • While running the sample wordcount program, in the reducer log I normally see: 2012-09-04 11:56:31,375 INFO org.apache.hadoop.mapred.Task: Task:attempt_201208302024_0030_r_000000_0 is done. And is in ...
    JeffJeff
    Sep 4, 2012 at 7:22 pm
    Sep 8, 2012 at 10:29 pm
  • While developing in MR1 I added files to the Distributed Cache in order to have access to the for my job. I know that YARN uses containers, but I was curious if I could still add files to Distributed ...
    Scuba HunterScuba Hunter
    Sep 4, 2012 at 5:43 pm
    Sep 4, 2012 at 9:13 pm
  • After upgrading to cdh3u5 recently, we are seeing that hadoop fs -text no longer can handle our snappy-compressed files. Example: $ hadoop fs -cat part-r-00000.snappy .0.?0.0 10668385 0.06 207447 0.1 ...
    Tin KyawTin Kyaw
    Sep 21, 2012 at 6:27 pm
    Oct 13, 2012 at 6:09 am
  • OS: CentOS 6.2 64bit I disabled the firewall and selinux, and install all the services on single server to make some tests. --
    KenKen
    Sep 20, 2012 at 11:02 am
    Oct 12, 2012 at 3:33 am
  • I'm running some simple hive jobs on CDH 4.0.1 using Yarn. At first I had a lot of thrashing as the RAM on each machine is 1-1.5gb and the default memory allocation for a single container is ...
    James PettyjohnJames Pettyjohn
    Sep 27, 2012 at 4:29 am
    Oct 1, 2012 at 7:59 pm
  • Is there an easy way to confirm the secondary name node is working? --
    Adam HamnerAdam Hamner
    Sep 28, 2012 at 6:29 pm
    Sep 28, 2012 at 10:17 pm
  • Hi, Is there any permission setting I am missing to get it work?? Cheers, Subroto Sanyal ---------- Forwarded message ---------- From: Subroto Sanyal <<span class="m_body_email_addr" ...
    Subroto SanyalSubroto Sanyal
    Sep 21, 2012 at 7:23 am
    Sep 25, 2012 at 9:09 am
  • Hi all, I am new to this hadoop/hive and all. i 've installed them on my linux machine. now i wants to integrate hive with hdfs I feel that this belongs to this thread only. so i am posting it as a ...
    Piyush agarwalPiyush agarwal
    Sep 18, 2012 at 8:23 am
    Sep 24, 2012 at 7:50 am
  • I have been testing out the latest CHD4 hadoop-conf-pseudo (i.e. MRv2 or YARN) on a notebook running Ubuntu 12.04LTS 64bit. So far so good. Now I want to test out the S3 (or S3N) backend, as ...
    ZperryZperry
    Sep 17, 2012 at 5:31 pm
    Sep 19, 2012 at 6:18 pm
  • Hi, I'm trying to install hadoop with crowbar. I'm following next video: http://www.youtube.com/watch?v=ZWPJv_OsjEk. I have a error when I'm doing instalation on all host, with the below message ...
    Miguel Angel GonzalezMiguel Angel Gonzalez
    Sep 13, 2012 at 3:11 pm
    Sep 17, 2012 at 7:43 am
  • My hadoop cluster has 15 nodes. After I upgrade to CDH3U3, it began to throw "too many open files" from JobTracker. I have to restart cluster to bring it back. However, after one week, the same thing ...
    Xiang LiuXiang Liu
    Sep 12, 2012 at 5:33 pm
    Sep 14, 2012 at 11:31 pm
  • It appears to take 30 minutes or so for HBase to recover from the failure of the regionserver holding the ROOT role. Please let me know what options are available to more quickly recover from such a ...
    Willy ChangWilly Chang
    Sep 10, 2012 at 10:16 pm
    Sep 11, 2012 at 5:36 pm
  • Hi, I was trying to install CDH4 on RHEL 5.7 but I got the following errors: Error: Missing Dependency: libssl.so.10()(64bit) is needed by package ...
    SumitSumit
    Sep 6, 2012 at 5:41 am
    Sep 6, 2012 at 6:07 am
  • After upgrading hdfs for CDH4, the secondary namenode is no longer working. It throws the following: ERROR org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Exception in doCheckpoint ...
    Henri PipeHenri Pipe
    Sep 7, 2012 at 12:33 am
    Aug 5, 2013 at 10:50 pm
  • So if anyone is interested I got CDH4 hadoop-metricsv2 working today with Ganglia 3.1. I haven't been able to find a lot of documentation on this so I'm sorry if this is redundant. Below is my ...
    Adam HamnerAdam Hamner
    Sep 18, 2012 at 10:32 pm
    Jun 18, 2013 at 3:29 pm
  • Hi All, We have used oracle as metastore for hive 0.7.1 , it runs smoothly when executed constantly by running multiple jobs. But when there is a gap between the jobs execution like 12 hrs or so, it ...
    Saurabh MishraSaurabh Mishra
    Sep 21, 2012 at 12:28 am
    May 2, 2013 at 1:51 am
  • Hi, In my application depending on the client/cluster environment I have to decide whether JobTracker/TaskTracker needs to be configured or ResourceManager/NodeManager needs to be configured. Is ...
    Subroto SanyalSubroto Sanyal
    Sep 10, 2012 at 7:55 am
    Oct 3, 2012 at 7:33 am
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199 users for September 2012

Harsh J: 64 posts Subroto Sanyal: 25 posts Joey Echeverria: 24 posts Willy Chang: 24 posts Todd Lipcon: 21 posts Aaron T. Myers: 15 posts Kevin O'dell: 13 posts : 10 posts Kulkarni Swarnim: 9 posts Mark Golden: 9 posts Ahmed Radwan: 8 posts Chris Neal: 8 posts Mike: 8 posts Alejandro Abdelnur: 7 posts Jeff Miller: 7 posts Jhuang: 7 posts Andy Isaacson: 6 posts HARRY POTTER: 6 posts Henriko: 6 posts Mg: 6 posts
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