Officially ORC formatted data is not supported and well implemented in Spark 2.4.x. So if you want to access ORC data from Spark, use below ...
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How to install CDH patch without downtime (ZERO downtime)
1. Update new patch parcel location in parcel configuration 2. Then come to parcel page and click on "check for new parcels...
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Zookeeper not starting "org.apache.zookeeper.server.quorum.QuorumPeer Unable to load database on disk "
You will find below error messages in zookeeper logs Solution: 1. Shutdown the Zookeeper service if it is runni...
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How to find disk failures
There are couple of methods to find disk errors or disk failures, below are some of the methods to find failures. 1. dmesg dmesg (Disp...
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ProtocolError- Cloudera Installation
Some times you may encounter below error, while installing Cloudera Manager packages. These are the cases where you will see this error 1...
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