Error initializing SparkContext : ‘sparkDriver’ failed after 16 retries!

Hi All, I just came across this error 'sparkDriver' failed after 16 retries!' while starting the spark shell. From the above screenshot, I came to know the error occurred due to the SparkUI port was not available. For this scenario I used Cloudera sandbox using Oracle VirtualBox. I just solved this issue by the following …

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HBase, a hadoop NoSQL database – Backup Process Explained

Hi Readers, I am happy to post another blog post on how to take HBase backup of a HBase data/ tables in hortonworks sandbox 2.5. Important:  You may get the following error in hbase shell. ERROR: Can't get master address from ZooKeeper; znode data == null Just open ambari(Hortonworks Sandbox) / cloudera manager(Cloudera Sandbox) start the …

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Hbase, a hadoop NoSQL database-snapshot explained

Hi Readers, I am happy to post another blog post on how to take HBase snapshot of a table in hortonworks sandbox 2.5. I have created a table named 'person' in HBase. hbase(main):032:0> list TABLE person 1 row(s) in 0.080 seconds. I use the scan command to show the data inside the person table. hbase(main):033:0> scan …

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How can I check version of Hive, Pig, Hbase, Sqoop in Cloudera 4.3.0?

How can I check version of Hive, Pig, Hbase, Sqoop in Cloudera 4.3.0? by Jose Praveen Answer by Jose Praveen: I think you are using cloudera sandbox. My solution would be Open a terminal in the cloudera sandbox and type cat /usr/lib/hadoop/cloudera/cdh_version.properties You will get the cloudera package release version. Check the release version in …

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