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From Venkateswara Rao Dokku <dvrao....@gmail.com>
Subject Re: Hbase Clustering
Date Thu, 20 Sep 2012 12:19:04 GMT
please find the attached master & slave hbase logs.

> On Thu, Sep 20, 2012 at 5:14 PM, Monish r <monishsvce@gmail.com> wrote:
>
>> Hi,
>> From the *jps* status i can see that  u have started region server in both
>> the servers
>>
>> *NameNode:*
>> 11578 HMaster
>> 11476 HQuorumPeer
>> 10921 TaskTracker
>> 10246 NameNode
>> 12430 Main
>> 10746 JobTracker
>> 12538 Jps
>> 11798 *HRegionServer*
>> 10618 SecondaryNameNode
>> 10433 DataNode
>>
>> *DataNode:*
>> 2202 NC
>> 10772 Jps
>> 10495 TaskTracker
>> 2112 -- process information unavailable
>> 10697 *HRegionServer*
>> 10331 DataNode
>>
>> From the log i can see that hbase master has only one region server in its
>> list and it is not access able.
>>
>> 2012-09-18 23:59:13,841 DEBUG
>> org.apache.hadoop.hbase.master.AssignmentManager: No previous
>> transition plan was found (or we are ignoring an existing plan) for
>> -ROOT-,,0.70236052 so generated a random one; hri=-ROOT-,,0.70236052,
>> src=, dest=localhost,60020,1347968702214; 1 *(online=1, exclude=0)
>> available servers *
>>
>> 2012-09-18 23:59:13,841 INFO org.apache.hadoop.ipc.HBaseRPC: Server at
>> *localhost/127.0.0.1:60020 could not be reached after 1 tries, giving
>> up.*
>>
>>
>> The problem may be with u r cluster set up , check the region server logs
>> and see if they are alive , u cannot rely on jps
>> and tell for sure the process is up , since it can go down after u r  look
>> up.
>>
>> Check u r region server logs , if u still have issues , post the region
>> server logs in paste bin and reply.
>>
>> Regards,
>> R.Monish
>>
>>
>> *
>> *
>>
>>
>>
>> On Thu, Sep 20, 2012 at 10:03 AM, Venkateswara Rao Dokku <
>> dvrao.584@gmail.com> wrote:
>>
>> >
>> >
>> > On Tue, Sep 18, 2012 at 10:43 PM, Jean-Daniel Cryans <
>> jdcryans@apache.org>wrote:
>> >
>> >> What's in the master's log?
>> >>
>> >> J-D
>> >> Please find the attached master logs.
>> >>
>> >> On Tue, Sep 18, 2012 at 3:41 AM, Venkateswara Rao Dokku
>> >> <dvrao.584@gmail.com> wrote:
>> >> > Hi,
>> >> >       I am new to Hbase & I wanted to Cluster Hbase on 2 nodes.
I put
>> >> one
>> >> > of my nodes as hadoop-namenodeas well as hbase-master & the other
>> node
>> >> as
>> >> > hadoop-datanode1 as well as hbase-region-server1. I started hadoop
>> >> cluster
>> >> > as well as Hbase on the name-node side. They started fine. But when
I
>> >> try
>> >> > to create tabes in Hbase shell I got the following error.
>> >> >
>> >> > hbase(main):001:0> create 't1','f1'
>> >> >
>> >> > ERROR: org.apache.hadoop.hbase.MasterNotRunningException: Retried 7
>> >> times
>> >> >
>> >> > Here is some help for this command:
>> >> > Create table; pass table name, a dictionary of specifications per
>> >> > column family, and optionally a dictionary of table configuration.
>> >> > Dictionaries are described below in the GENERAL NOTES section.
>> >> > Examples:
>> >> >
>> >> >   hbase> create 't1', {NAME => 'f1', VERSIONS => 5}
>> >> >   hbase> create 't1', {NAME => 'f1'}, {NAME => 'f2'}, {NAME
=> 'f3'}
>> >> >   hbase> # The above in shorthand would be the following:
>> >> >   hbase> create 't1', 'f1', 'f2', 'f3'
>> >> >   hbase> create 't1', {NAME => 'f1', VERSIONS => 1, TTL =>
2592000,
>> >> > BLOCKCACHE => true}
>> >> >   hbase> create 't1', 'f1', {SPLITS => ['10', '20', '30', '40']}
>> >> >   hbase> create 't1', 'f1', {SPLITS_FILE => 'splits.txt'}
>> >> >
>> >> > But I could see HMaster running with Jps. The below given are the
>> >> processes
>> >> > running on the name-node & datanode.
>> >> > *NameNode:*
>> >> > *
>> >> > *
>> >> > 11578 HMaster
>> >> > 11476 HQuorumPeer
>> >> > 10921 TaskTracker
>> >> > 10246 NameNode
>> >> > 12430 Main
>> >> > 10746 JobTracker
>> >> > 12538 Jps
>> >> > 11798 HRegionServer
>> >> > 10618 SecondaryNameNode
>> >> > 10433 DataNode
>> >> >
>> >> > *DataNode:*
>> >> > *
>> >> > *
>> >> > 2202 NC
>> >> > 10772 Jps
>> >> > 10495 TaskTracker
>> >> > 2112 -- process information unavailable
>> >> > 10697 HRegionServer
>> >> > 10331 DataNode
>> >> >
>> >> > Could You please let me know whats wrong with my approach of creating
>> >> > tables. Thanks for replying
>> >> >
>> >> > P.S: forgot to mention I am using hadoop-0.20.2 & hbase-0.92.1
>> >> versions. So
>> >> > to avoid version mismatches I copied the hadoop Jar file in hadoop
>> >> > installation directory into habse/lib/ in all the cluster nodes.
>> >> >
>> >> >
>> >> > --
>> >> > Thanks & Regards,
>> >> >
>> >> > Venkateswara Rao Dokku
>> >>
>> >
>> >
>> >
>> > --
>> > Thanks & Regards,
>> > Venkateswara Rao Dokku,
>> > Software Engineer,One Convergence Devices Pvt Ltd.,
>> > Jubille Hills,Hyderabad.
>> >
>> >
>>
>
>
>
> --
> Thanks & Regards,
> Venkateswara Rao Dokku,
> Software Engineer,One Convergence Devices Pvt Ltd.,
> Jubille Hills,Hyderabad.
>
>


-- 
Thanks & Regards,
Venkateswara Rao Dokku,
Software Engineer,One Convergence Devices Pvt Ltd.,
Jubille Hills,Hyderabad.

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