I have tested the backup/restore solution and seems to be working like charm with spark :  -First, check and record the names as given in the list of the kudu_master (or the primary elected master in case of multi masters )  http://Master1:8051/tables    -Download the kudu-backupX.X.jar in case you can't find it in /opt/cloudera/parcels/CDH-X.Xcdh.XX/lib/ and put it there  -In kuduMasterAddresses you put the name of your Kudu_master or the names of your three masters separated by ',' -Backup :  sudo -u hdfs spark2-submit --class org.apache.kudu.backup.KuduBackup  /opt/cloudera/parcels/CDH-X.Xcdh.XX/lib/kudu-backup2_2.11-1.13.0.jar --kuduMasterAddresses MASTER1(,MASTER2,..) --rootPath hdfs:///PATH_HDFS impala::DB.TABLE -COPY : sudo -u hdfs hadoop distcp -i - hdfs:///PATH_HDFS/DB.TABLE hdfs://XXX:8020/kudu_backups/ -Restore: sudo -u hdfs spark2-submit --class org.apache.kudu.backup.KuduRestore /opt/cloudera/parcels/CDH-X.Xcdh.XX/lib/kudu-backup2_2.11-1.13.0.jar --kuduMasterAddresses MASTER1(,MASTER2,..) --rootPath hdfs:///PATH_HDFS impala::DB.TABLE finally INVALIDATE METADATA  ... View more

Hi @Harish19, There is SSL Options button somewhere in the ODBC driver configuration window, please click through and confirm if you have SSL enabled on the client side. Cheers Eric ... View more

Hi,   Could you please share the Entire Error log console for analysis purpose and also share the Pyspark command that you are submitting.     Thanks AK ... View more

from spark or pyspark shell use the below commands to access hive database objects.   spark.sql("show databases;") spark.sql("select * from databasename.tablename;") or spark.read.table("databasename.tablename")   You can give any query inside spark.sql which will give you results. ... View more

Have you thought about the option of using Cloudera Navigator? Queries can be passed along to Navigator and you can perform search through its interface. ... View more

Just enter the corresponding OU's where users or groups are found. Please make sure that setting are correct and allow users and it's member groups can be found in LDAP. We suggest to test your settings using the jmldap.jar tool first, for ease of testing and debugging. ... View more

The OIV tool is documented at https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HdfsImageViewer.html and includes some examples. Try its Delimiter related options on a copy of your HDFS fsimage file and checkout the result. ... View more

Have you gone over Kafka documentation? Are there specific parts or scenarios beyond the ones mentioned that you have these questions about? > data loss Kafka provides topic partition replication. > data duplication Kafka does not do anything specific for deduplicating data. Assuming you're asking about exactly-once processing semantics, it depends on your application and how it leverages Kafka. One record of this is at https://www.confluent.io/blog/exactly-once-semantics-are-possible-heres-how-apache-kafka-does-it/ ... View more