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Re: Log Analysis - Data Ingestion

by Master Mentor in Support Questions
‎10-01-2016 10:04 PM
‎10-01-2016 10:04 PM
Apache Nifi is more feature-rich, battle tested and servers many purposes. Simply, it has bidirectional flow whereas Flume only moves data to HDFS. There's also visual UI for real time command and control as opposed to Flume with only configuration property files to deal with. If you are in the beginning stages, do yourself a favor and go with Nifi. ... View more

Re: Is there a chance to bring the nfs gateway on ...

by Master Mentor in Support Questions
‎10-01-2016 02:58 PM
1 Kudo
‎10-01-2016 02:58 PM
1 Kudo
@Marc Schriever according to release notes for HDP 2.5 Sandbox, nfs is up automatically http://hortonworks.com/hadoop-tutorial/hortonworks-sandbox-guide/#section_1 HDFS Portmap – org.apache.hadoop.portmap.Portmap NameNode – org.apache.hadoop.hdfs.server.namenode.NameNode DataNode – org.apache.hadoop.hdfs.server.datanode.DataNode Nfs Portmap – Unlike the other processes that are launched by hdfs user, these are run as root user. The nfs process doesn’t show up as a name for jps output ... View more

Re: Does Hive table to relational database export ...

by Master Mentor in Support Questions
‎09-29-2016 04:41 PM
‎09-29-2016 04:41 PM
@Amit Dass please review the latest documentation for all available arguments with export https://sqoop.apache.org/docs/1.4.6/SqoopUserGuide.html#_literal_sqoop_export_literal ... View more

Re: what infomation should yarn-site.xml contain w...

by Master Mentor in Support Questions
‎09-29-2016 04:36 PM
‎09-29-2016 04:36 PM
@X Long please accept the answer if it solved your problem. Thank you ... View more

Re: Does Hive table to relational database export ...

by Master Mentor in Support Questions
‎09-29-2016 01:51 PM
‎09-29-2016 01:51 PM
@Amit Dass yes it is possible, please see my tutorial https://community.hortonworks.com/content/kbentry/14802/sqoop-importexport-tutorial.html ... View more

Re: hbase snapshot accessing older version of cell

by Master Mentor in Support Questions
‎09-27-2016 05:45 PM
‎09-27-2016 05:45 PM
@Randy Gelhausen confirmed with @Devaraj Das snapshot captures all info including version information for completeness, here's an example http://stackoverflow.com/questions/28334940/how-to-get-all-versions-of-an-hbase-cell-in-a-spark-newapihadooprdd just need to apply to snapshot rather than table ... View more

Re: hbase snapshot accessing older version of cell

by Master Mentor in Support Questions
‎09-27-2016 05:24 PM
‎09-27-2016 05:24 PM
I'll give it a whirl and let you know, until then you get +1 ... View more

Re: hbase snapshot accessing older version of cell

by Master Mentor in Support Questions
‎09-27-2016 05:19 PM
‎09-27-2016 05:19 PM
@Randy Gelhausen I don't see any reference to HBase cell versions here ... View more

hbase snapshot accessing older version of cell

by Master Mentor in Support Questions
‎09-27-2016 05:05 PM
1 Kudo
‎09-27-2016 05:05 PM
1 Kudo
I don't see the levels of detail in hbase reference guide whether cell version can be accessed via hbase snapshot. Use case is I'd like to access an older version of cell via hive over hbase snapshot or via spark, is that information retained in snapshot and do I need HBase to access it or this info is retained in hfile and I can access it with anything other than hbase? ... View more
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Re: HDPCD: Access to the Piggybank?

by Master Mentor in Support Questions
‎09-27-2016 01:57 AM
‎09-27-2016 01:57 AM
@Andrew Blum I think the answer is no, here's discussion if you're referring to the same exam question https://community.hortonworks.com/questions/20487/store-output-file-as-3-files-using-pig.html ... View more
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