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Re: LLAP debugging overview - logs, UIs, etc

by Explorer in Community Articles
‎12-05-2017 03:07 PM
‎12-05-2017 03:07 PM
Can you confirm the LLAP Monitor /iomem endpoint? I am getting a 404 on HDP 2.6.1 (hive-llap 2.1). ... View more

Re: HDFS Balancer (2): Configurations & CLI Option...

by Explorer in Community Articles
‎06-23-2017 04:29 PM
‎06-23-2017 04:29 PM
Thanks for the the very useful article. Will there be any follow ups coming? I am particularly interested in the changes that came about from https://issues.apache.org/jira/browse/HDFS-8818 and how settings like dfs.balancer.moverThreads needs to be increased from default when balancing a large number of unbalanced nodes. (e.g the setting used in the comment in HDFS-8188 herehttps://issues.apache.org/jira/browse/HDFS-8818?focusedCommentId=15997429&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15997429) ... View more

Re: Ranger policies failed to refresh after implem...

by Explorer in Support Questions
‎03-31-2017 01:03 AM
2 Kudos
‎03-31-2017 01:03 AM
2 Kudos
We were getting the same error and after troubleshooting for some time we found that Ranger policymgr_external_url (in Ambari under Ranger -> Configs -> Advanced -> Ranger Settings -> External URL) was improperly set to the Ranger hosts IP address. We changed that to the FQDN and restarted the effected service (e.g HS2 for hive, NN for HDFS, etc) and the problem was resolved. Give that a look and shot if applicable. ... View more
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