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Hi guys. I recently installed Impala on a 3-node MapR cluster. When I run a simple query.The performance is not as good as Impala+HDFS. Here is the query: SELECT * FROM ft_test, ft_wafer WHERE = and month = 1 and day = 8 and param = 2913; It took about 3s. But when using the same query but with

Issue:   Some times you may come across an issue like this  while running spark-shell or Oozie spark action   java.lang.NoClassDefFoundError: org/apache/tez/dag/api/SessionNotRunning         at org.apache.hadoop.hive.ql.session.SessionState.start(
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Hi All,    We installed and configured Grafana in our UAT cluster the UI which come up with default 3 dashboards cldb , node and volume. I see an exclamatory mark in red near Node Dashboard. I tried to fix it by adding a parameter in opentsdb.conf and then took a restart of opentsdb and grafana so was able to make CLDB Dashboard