About nsabharwal

nsabharwal · ‎01-19-2016

Raid 10 for OS disks No RAID for HDFS disks make sure you do this / - enough space /usr/hdp - separate mount of 20 to 50 GB /var/log - separate mount of 200 to 300GB /hadoop - HDFS data/disk ( size is based on your use case) - No RAID Do check this http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.0.0/bk_Installing_HDP_AMB/content/_operating_systems_requirements.html Important link

nsabharwal · ‎01-19-2016

@niraj nagle Use Mozilla in case you are using Chrome.

nsabharwal · ‎01-19-2016

@Pradeep Allu You can combine these 2 to see if it works. If does then please do submit an article. link1 link2

nsabharwal · ‎01-19-2016

@Ancil McBarnett I see no issues on having OS on disk backed up by SAN as long as there is strong bandwidth between Servers and SAN "in your case it is there" On Separate note Cisco doc Cisco UCS Big Data Updated Sept. 2015 Version

nsabharwal · ‎01-19-2016

Thanks for closing the thread. @Erik Nor

nsabharwal · ‎01-19-2016

@rbalam See this Source The history can be stored in memory or in a leveldb database store; the latter ensures the history is preserved over Timeline Server restarts. The single-server implementation of the Timeline Server places a limit on the scalability of the service; it also prevents the service being High-Availability component of the YARN infrastructure.

nsabharwal · ‎01-19-2016

@Mehdi TAZI Hope it was helpful.

nsabharwal · ‎01-19-2016

Looking at the explanation of the property and looks like used needs to be there to create repo and policies.

nsabharwal · ‎01-19-2016

@Erik Nor Have you enabled any plugin? Try enabling the plugin to see if it creates the user or not

nsabharwal · ‎01-19-2016

@Erik Nor It should if install went fine. Try searching again ...Is ranger working fine? Try restarting the service

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