Re: Client usage with multiple clusters

2014-04-25 Thread Stanley Shi
My guess is to put two set of this dfs.ha.namenodes.clusterA=nn1,nn2 dfs.namenode.rpc-address.clusterA.nn1= dfs.namenode.http-address.clusterA.nn1= dfs.namenode.rpc-address.clusterA.nn2= dfs.namenode.http-address.clusterA.nn2= to the client setting, and then access it like hdfs://clusterA/tmp ...

Re: Differences between HistoryServer and Yarn TimeLine server?

2014-04-25 Thread Ashwin Shankar
Thanks Zhijie ! I had few more questions : 1. I played around with the timeline server ui today which showed the generic application history details, but I couldn't find any page for application specific data. Is the expectation that every application needs to build their own UI using the exposed

How do I get started with hadoop on windows system

2014-04-25 Thread ????
Hi everyone, I have subscribed hadoop mail list this morning. How do I get started with hadoop on my windows 7 PC. Thanks!

How do I get started with hadoop

2014-04-25 Thread ????
Hi, I'm new in hadoop, can I get some useful links about hadoop so I can get started with it step by step. Thank you very much!

Re: 答复: hdfsConnect always success

2014-04-25 Thread Stanley Shi
NoRouteToHost, please check your network setting Regards, *Stanley Shi,* On Fri, Apr 18, 2014 at 3:42 PM, td...@126.com wrote: Hi, No errors in hdfsConnect(). But if I call hdfsCreateDirectory() after hdfsConnect() , got errors as followed:

答复: 答复: hdfsConnect always success

2014-04-25 Thread tdhkx
Hi, Stanley Shi What I want to say is hdfsConnect should return NULL or error, but it doesn’t. Not the same as the declaration in hdfs.h. Thanks. 发件人: user-return-15164-tdhkx=126@hadoop.apache.org [mailto:user-return-15164-tdhkx=126@hadoop.apache.org] 代表 Stanley Shi 发送时间:

Re: Question about YARN security tokens

2014-04-25 Thread Oleg Zhurakousky
Without looking at the code its hard to say. Perhaps looking at a working code will put you in the right direction. For example, here is the DistributedShell from Hadoop (only few classes)

Re: How do I get started with hadoop

2014-04-25 Thread Shahab Yunus
Assuming, you are talking about basic stuff... Michael Noll has some good Hadoop (pre-Yarn) tutorials http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/ Then definitely go through the book Hadoop- The Definitive Guide by Tom White.

HDFS and YARN security and interface impacts

2014-04-25 Thread John Lilley
Hi, can anyone help me with this? From: John Lilley [mailto:john.lil...@redpoint.net] Sent: Sunday, April 20, 2014 3:40 PM To: user@hadoop.apache.org Subject: HDFS and YARN security and interface impacts We have an application that interfaces directly to HDFS and YARN (no MapReduce). It does

Re: What codes to chmod 755 to yarn.nodemanager.log-dirs?

2014-04-25 Thread sam liu
My version is 2.1.0 and the cluster uses DefaultContainerExecutor. Is it possible that DefaultContainerExecutor change the permission of existing nodemanager log-dir to 755? 2014-04-25 0:54 GMT+08:00 Vinod Kumar Vavilapalli vino...@apache.org: Which version of Hadoop are you using? This part

What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Steve Lewis
Assume I have a machine on the same network as a hadoop 2 cluster but separate from it. My understanding is that by setting certain elements of the config file or local xml files to point to the cluster I can launch a job without having to log into the cluster, move my jar to hdfs and start the

Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Oleg Zhurakousky
What version of Hadoop you are using? (YARN or no YARN) To answer your question; Yes its possible and simple. All you need to to is to have Hadoop JARs on the classpath with relevant configuration files on the same classpath pointing to the Hadoop cluster. Most often people simply copy

Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Steve Lewis
Thank you for your answer 1) I am using YARN 2) So presumably dropping core-site.xml, yarn-site into user.dir works do I need mapred-site.xml as well? On Fri, Apr 25, 2014 at 9:00 AM, Oleg Zhurakousky oleg.zhurakou...@gmail.com wrote: What version of Hadoop you are using? (YARN or no YARN)

Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Oleg Zhurakousky
Yes, if you are running MR On Fri, Apr 25, 2014 at 12:48 PM, Steve Lewis lordjoe2...@gmail.com wrote: Thank you for your answer 1) I am using YARN 2) So presumably dropping core-site.xml, yarn-site into user.dir works do I need mapred-site.xml as well? On Fri, Apr 25, 2014 at 9:00 AM,

Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Steve Lewis
so if I create a Hadoop jar file with referenced libraries in the lib directory do I need to move it to hdfs or can it sit on my local machine? if I move it to hdfs where does it live - which is to say how do I specify the path? On Fri, Apr 25, 2014 at 9:52 AM, Oleg Zhurakousky

Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Steve Lewis
I am using MR and know the job.setJar command - I can add all dependencies to the jar in the lib directory but I was wondering if Hadoop would copy a jar from my local machine to the cluster - also is I ran multiple jobs with the same jar whether the jar would be copied N times (I typically chain

Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster

2014-04-25 Thread Oleg Zhurakousky
Yes, it will be copied since it goes to each job's namesapce On Fri, Apr 25, 2014 at 1:14 PM, Steve Lewis lordjoe2...@gmail.com wrote: I am using MR and know the job.setJar command - I can add all dependencies to the jar in the lib directory but I was wondering if Hadoop would copy a jar

Re: Differences between HistoryServer and Yarn TimeLine server?

2014-04-25 Thread Zhijie Shen
1 and 4: We have thought about that in addition to service application specific data, the timeline server should accept the web UI plugin from the application, install it and render the data on the web page according the application's design, but still need to figure out the plan. Before that, the