Description

Apache Pig is a platform for creating MapReduce programs used with Hadoop.
It consists of a high-level language (Pig Latin) for expressing data analysis
programs, coupled with infrastructure for evaluating these programs.

This charm provides version 0.15.0 of the Pig application from Apache Bigtop.


Overview

Apache Pig is a platform for creating MapReduce programs used with Hadoop.
It consists of a high-level language (Pig Latin) for expressing data analysis
programs, coupled with infrastructure for evaluating these programs. Learn more
at pig.apache.org.

This charm deploys version 0.15.0 of the Pig component from Apache Bigtop.

Deploying

This charm requires Juju 2.0 or greater. If Juju is not yet set up, please
follow the getting-started instructions prior to deploying this charm.

This charm is intended to be deployed via one of the apache bigtop bundles.
For example:

juju deploy hadoop-processing

This will deploy an Apache Bigtop Hadoop cluster. More information about this
deployment can be found in the bundle readme.

Now add Pig and relate it to the cluster via the hadoop-plugin:

juju deploy pig
juju add-relation pig plugin

Network-Restricted Environments

Charms can be deployed in environments with limited network access. To deploy
in this environment, configure a Juju model with appropriate proxy and/or
mirror options. See Configuring Models for more information.

Verifying

Status

Apache Bigtop charms provide extended status reporting to indicate when they
are ready:

juju status

This is particularly useful when combined with watch to track the on-going
progress of the deployment:

watch -n 2 juju status

The message column will provide information about a given unit's state.
This charm is ready for use once the status message indicates that it is
ready.

Smoke Test

This charm provides a smoke-test action that can be used to verify the
application is functioning as expected. Run the action as follows:

juju run-action pig/0 smoke-test

Watch the progress of the smoke test actions with:

watch -n 2 juju show-action-status

Eventually, the action should settle to status: completed. If it
reports status: failed, the application is not working as expected. Get
more information about a specific smoke test with:

juju show-action-output <action-id>

Using

Once the deployment has been verified, Apache Pig will be available to execute
Pig Latin jobs on your data. You can run Pig in a variety of modes:

Local Mode

Run Pig in local mode on the Pig unit with the following:

juju ssh pig/0
pig -x local

MapReduce Mode

MapReduce mode is the default for Pig. To run in this mode, ssh to the Pig unit
and run pig as follows:

juju ssh pig/0
pig

Issues

Apache Bigtop tracks issues using JIRA (Apache account required). File an
issue for this charm at:

https://issues.apache.org/jira/secure/CreateIssue!default.jspa

Ensure Bigtop is selected as the project. Typically, charm issues are filed
in the deployment component with the latest stable release selected as the
affected version. Any uncertain fields may be left blank.

Contact Information

Resources

Configuration

bigtop_version
(string) Apache Bigtop release version. The default, '1.2.1' will use the current GA release, Bigtop 1.2.1, for all hiera data, puppet recipes, and installable packages. Set this to 'master' to use the latest upstream bits.
1.2.1
cuda-version
(string) The cuda-repo package version to install.
8.0.61-1
install-cuda
(boolean) Install the CUDA binaries if capable hardware is present. This option is False by default, as not all applications support GPU acceleration.