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Re: Running Jobs with capacity scheduler on hadoop in eclipseSwathi V 2011-09-16, 10:26
It might be in safemode. turn off the safemode by using
*bin/hadoop dfsadmin safemode -leave* to see the task tracker. On Fri, Sep 16, 2011 at 2:09 PM, arun k <[EMAIL PROTECTED]> wrote: > Hi ! > > I have setup hadoop0.20.2 on eclipse Helios and able to run the Example > wordcount using ExampleDriver class as mentioned by Faraz in > http://lucene.472066.n3.nabble.com/HELP-configuring-hadoop-on-ECLIPSE-td1086829.html#a2241534 > > Two questions ? > 1. I am unable to see the jobtracker & others in browser at http addr > mentioned in mapred- default.xml. i have not edited any site.xml files. > I have tried to edit site.xml files as per Michael noll site but that > didn't help. > > 2.Capacity Scheduler :I see the capacity -*- jar in lib folder. I have > modified mapred-site.xml and capacity-scheduler.xml as required. How do i > run some application jobs by submitting a job to a queue in this case ? > I have tried to run: > Program & Args as : wordcount -Dmapred.job.queue.name=myqueue1 > input_file_loc output_file_loc > But i get error : > Exception in thread "main" java.lang.Error: Unresolved compilation > problems: > ProgramDriver cannot be resolved to a type > ProgramDriver cannot be resolved to a type > DistributedPentomino cannot be resolved to a type > ................. > > Thanks, > Arun > > > On Fri, Sep 16, 2011 at 12:46 PM, Harsh J <[EMAIL PROTECTED]> wrote: > >> Arun, >> >> Good to know. Happy Hadoopin'! >> >> On Fri, Sep 16, 2011 at 12:34 PM, arun k <[EMAIL PROTECTED]> wrote: >> > Hi ! >> > Thanks Harsh ! >> > The problem was that i have set up queue info in mapred-site.xml instead >> of >> > capacity-scheduler.xml . >> > Arun >> > >> > On Fri, Sep 16, 2011 at 10:52 AM, Harsh J <[EMAIL PROTECTED]> wrote: >> >> >> >> Arun, >> >> >> >> Please do not cross-post to multiple lists. Lets continue this on >> >> mapreduce-user@ alone. >> >> >> >> Your problem isn't the job submission here, but your Capacity >> >> Scheduler configuration. For every queue you configure, you need to >> >> add in capacities: Please see the queue properties documentation at >> >> >> >> >> http://hadoop.apache.org/common/docs/current/capacity_scheduler.html#Queue+properties >> >> for the vital configs required in additional to mapred.queue.names. >> >> Once done, you should have a fully functional JobTracker! >> >> >> >> On Fri, Sep 16, 2011 at 10:17 AM, arun k <[EMAIL PROTECTED]> wrote: >> >> > Hi all ! >> >> > >> >> > Harsh ! Namenode appears to be out of safe mode : >> >> > In http://nn-host:50070 i see in time >> >> > >> >> > T1>Safe mode is ON. The ratio of reported blocks 0.0000 has not >> reached >> >> > the >> >> > threshold 0.9990. Safe mode will be turned off automatically. >> >> > 7 files and directories, 1 blocks = 8 total. Heap Size is 15.06 MB / >> >> > 966.69 >> >> > MB (1%) >> >> > >> >> > T2>Safe mode is ON. The ratio of reported blocks 1.0000 has reached >> the >> >> > threshold 0.9990. Safe mode will be turned off automatically in 17 >> >> > seconds. >> >> > 7 files and directories, 1 blocks = 8 total. Heap Size is 15.06 MB / >> >> > 966.69 >> >> > MB (1%) >> >> > >> >> > T3>9 files and directories, 3 blocks = 12 total. Heap Size is 15.06 >> MB / >> >> > 966.69 MB (1%) >> >> > >> >> > Added properties : >> >> > >> >> > mapred.jobtracker.taskScheduler org.apache.hadoopertiep.mapred.CTS >> >> > >> >> > mapred.queue.names myqueue1,myqueue2 >> >> > mapred.capacity-scheduler.queue.myqueue1.capacity 25 >> >> > mapred.capacity-scheduler.queue.myqueue1.capacity 75 >> >> > ${HADOOP_HOME}$ bin/hadoop jar hadoop*examples*.jar wordcount >> >> > -Dmapred.job.queue.name>> >> > myqueue1 /user/hduser/wcinput /user/hduser/wcoutput >> >> > >> >> > I get the error: >> >> > java.io.IOException: Call to localhost/127.0.0.1:54311 failed on >> local >> >> > exception: java.io.IOException: Connection reset by peer >> >> > at org.apache.hadoop.ipc.Client.wrapException(Client.java:1065) Regards, Swathi.V. |