I have recreated all of our Hadoop cluster from scratch as the NN centos failed, we had no backup so it was real disaster! I would like to prevent this from happening again so please tell me what kind of backup do I need? I have one master- cloudera manager and DB Two NN And 4 workers Please let me know if you need more details... ... View more

Using Python version 2.6.6 (r266:84292, Jul 23 2015 15:22:56) SparkContext available as sc. >>> from pyspark.mllib.clustering import KMeans RuntimeError: module compiled against API version 0xa but this version of numpy is 0x7 ... View more

Using Python version 2.6.6 (r266:84292, Jul 23 2015 15:22:56) SparkContext available as sc. >>> from pyspark.mllib.clustering import KMeans RuntimeError: module compiled against API version 0xa but this version of numpy is 0x7 ... View more

Hi,   getting this error when trying to run select from the DB:   Your query has the following error(s): Error while compiling statement: FAILED: SemanticException Unable to determine if hdfs://hadoopb:8020/user/hive/warehouse/sherlock_1_3.db/t4 is encrypted: java.lang.IllegalArgumentException: Wrong FS: hdfs://hadoopb:8020/user/hive/warehouse/sherlock_1_3.db/t4, expected: hdfs://hadoopb.:8020   please advise, ... View more