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nsabharwal
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Master Mentor

Re: I can't get establish a connection using Storm...

by Master Mentor in Support Questions
‎12-16-2015 02:16 PM
‎12-16-2015 02:16 PM
@Yue Chen Can you share the error messages please? ... View more

Re: Benchmark Hortonworks, cloudera and mapR

by Master Mentor in Support Questions
‎12-16-2015 01:39 PM
‎12-16-2015 01:39 PM
@lobna tonn You get Spark 1.4.1 when you install HDP 2.3.2 but if you want to upgrade to 1.5.2 then we can help you on that. Core business model means 100% open source. Read this ... View more

Re: Namenode Txid Error

by Master Mentor in Support Questions
‎12-16-2015 01:24 PM
‎12-16-2015 01:24 PM
@Nilesh Solution will be to treat production as production 🙂 and have backups of name nodes directories. ... View more

Re: hive host proxy setting clarification

by Master Mentor in Support Questions
‎12-16-2015 12:49 PM
‎12-16-2015 12:49 PM
hadoop.proxyuser.hive.hosts is Hostname from where superuser hive can connect Based on the above definition, try running the test for hive user. http://docs.hortonworks.com/HDPDocuments/HDP1/HDP-.. @Manoj A ... View more

Re: Where and how can I find the peer.adr value in...

by Master Mentor in Support Questions
‎12-16-2015 12:34 PM
1 Kudo
‎12-16-2015 12:34 PM
1 Kudo
@Alex Raj Example n1, n2 , n3 = zk address hbase org.apache.hadoop.hbase.mapreduce.CopyTable --peer.adr=n1,n2,n3:2181:/hbase table ... View more

Re: Namenode Txid Error

by Master Mentor in Support Questions
‎12-16-2015 12:02 PM
1 Kudo
‎12-16-2015 12:02 PM
1 Kudo
@Nilesh I believe there was recent crash or reboot of servers or some operation that caused the lag. Recent Txid is 293929 , NN is looking for 221561 You have to provide the edit logs. If it's dummy or lab cluster then you may be able to restart the nn by formatting it **It can cause data loss** ... View more

Re: Benchmark Hortonworks, cloudera and mapR

by Master Mentor in Support Questions
‎12-16-2015 11:57 AM
1 Kudo
‎12-16-2015 11:57 AM
1 Kudo
@lobna tonn Please see this https://hortonworks.com/press-releases/hortonworks-accelerates-spark-at-scale-for-the-enterprise/ Spark 1.5.2 is part of HDP stack. You can try running wordcount but I highly recommend to look into the core business model too. ... View more

Re: ambari showing corrupt blocks but not fsck

by Master Mentor in Support Questions
‎12-16-2015 11:54 AM
‎12-16-2015 11:54 AM
@Anshul Sisodia Please provide log file entries or snapshot ... View more

Re: Benchmark Hortonworks, cloudera and mapR

by Master Mentor in Support Questions
‎12-16-2015 11:46 AM
2 Kudos
‎12-16-2015 11:46 AM
2 Kudos
@lobna tonn Hi Lobna, I highly recommend to do more research on the business model and core technology of these vendors. You can start with a POC (prepare a use case) to load your own data or start with https://github.com/hortonworks/hive-testbench once cluster is up. My linkedin address is in my profile. Please feel free to add me and we can talk about it. ... View more

Re: Uninstall HDP 2.3.2 from SuSE

by Master Mentor in Support Questions
‎12-16-2015 03:02 AM
2 Kudos
‎12-16-2015 03:02 AM
2 Kudos
@Divya S rpm -qa | grep -i hadoop then you can run zypper remove package Also, when you install ambari, you will get warnings and will give you script to cleanup the existing install example: python /usr/lib/python2.6/site-packages/ambari_agent/HostCleanup.py This is for CentOS https://community.hortonworks.com/content/idea/138... ... View more
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