About aervits

aervits · ‎03-29-2016

A great source of information is the Apache Phoenix FAQ, your question has been answered there https://phoenix.apache.org/faq.html#How_I_map_Phoenix_table_to_an_existing_HBase_table I won't copy the whole answer Our composite row keys are formed by simply concatenating the values together, with a zero byte character used as a separator after a variable length type.

aervits · ‎03-29-2016

Please refer to this article to troubleshoot Oozie workflows https://community.hortonworks.com/content/kbentry/9148/troubleshooting-an-oozie-flow.html

aervits · ‎03-29-2016

I would restart the VM, clear the browser cache by hitting ctrl-shft-R and make sure sandbox is in your hosts file with proper IP of your VM

aervits · ‎03-29-2016

If you do a search for "hdp documentation" and get to our documentation index page we have a security section. There you can find ranger documentation and user guide http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.4.0/bk_Ranger_User_Guide/content/hbase_policy.html Here's a tutorial for HBase and ranger as well http://hortonworks.com/hadoop-tutorial/manage-security-policy-hive-hbase-knox-ranger/

aervits · ‎03-28-2016

Have you seen this thread Vadim? https://community.hortonworks.com/questions/24092/how-to-use-spark-mllib-model-in-storm.html Also if you're having dependency issues you can use exclude tag in pom.XML to resolve those issues. https://maven.apache.org/guides/introduction/introduction-to-optional-and-excludes-dependencies.html

aervits · ‎03-28-2016

Sandbox 2.3+ requires 8gb of RAM.

aervits · ‎03-28-2016

Your job ran out of memory, please follow this guide to configure memory for your cluster https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.3.4/bk_installing_manually_book/content/determine-hdp-memory-config.html If you have specific query tuning question, please provide the query

aervits · ‎03-28-2016

Did it work before? Did it ever pass service check? Did you attempt an upgrade? Please post logs from /var/log/hive

aervits · ‎03-28-2016

Nifi just added QueryDatabaseTable for simple change capture https://cwiki.apache.org/confluence/display/NIFI/Release+Notes

aervits · ‎03-28-2016

Nifi 0.6 release adds ability to run simple change capture cases with QueryDatabaseTable by maintaining timestamps. This might start turning the needle towards nifi away from sqoop https://cwiki.apache.org/confluence/display/NIFI/Release+Notes

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