Prerequisites

Review the prerequisites in this topic before you move on to integrating Impala with Kudu.

• To use Impala to query Kudu data as described in this topic, you will require Cloudera Manager and CDH 5.10.x or higher.

• The syntax described in this topic is specific to Impala included in CDH 5.10 and higher, and will not work on previous versions. If you are using an lower version of Impala (including the IMPALA_KUDU releases previously available), upgrade to CDH 5.10 or higher.

  Note that this topic does not describe Impala installation or upgrade procedures. Refer to the Impala documentation to make sure you are able to run queries against Impala tables on HDFS before proceeding.

• Lower versions of CDH and Cloudera Manager used an experimental fork of Impala which is referred to as IMPALA_KUDU. If you have previously installed the IMPALA_KUDU service, make sure you remove it from your cluster before you proceed. Install Kudu 1.2.x (or higher) using Cloudera Manager.