Tag: <span>CDH</span>

Tag: CDH

How to use Cloudera Manager API to check a service role exited unexpectedly

This blog explains the steps to use Cloudera Manager API to check for a service role in CDH that was exited unexpectedly, so that proper action can be taken. To check a service role’s status via Cloudera Manager API, please follow the steps below (I am taking Impala as an …


Timestamp stored in Parquet file format in Impala Showing GMT Value

This article explains why Impala and Hive return different timestamp values on the same table that was created and value inserted from Hive. It also outlines the steps to force Impala to apply local time zone conversion when reading timestamp field stored in Parquet file format. When Hive stores a timestamp …


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