Installing Impala
This section describes how to use package managers to download and install Impala from the MEP repository.
Impala is comprised of a set of components that you install and run on a single node or on multiple nodes in a cluster. To run Impala in your cluster, you install the required Impala packages on designated nodes. The Impala packages contain the following Impala components:
- Impala daemon
- Impala statestore
- Impala catalog
- Impala binaries
The following table lists the Impala packages and their descriptions:
Package |
Description |
|
A package that contains all of the Impala binaries, including the Impala server, impala-shell, statestore, and catalog. |
|
The role package that installs the Impala daemon role on the node. This package enables Warden to manage the service. It is recommended (not required) that you install the Impala daemon on a node with the MapR fileserver installed. |
|
The role package that installs the Impala statestore role on the node. This package enables Warden to manage the service. |
|
The role package that installs the Impala catalog role on the node. This package enables Warden to manage the service. |
Verify that your system meets the prerequisites and then install Impala.