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How to set up and configure Pentaho (Kettle, Pentaho Data Integration, Pentaho Business Analytics Suite) for your specific Hadoop distribution.

This page applies to Pentaho Suite version 5.1. For 5.0 or earlier, gohere">This page applies to Pentaho Suite version 5.1. For 5.0 or earlier, go here

Pentaho supports different versions of Hadoop distributions from several vendors such as Cloudera, Hortonworks and MapR. To support this many versions, Pentaho uses an abstraction layer, called a shim, that connects to the different Hadoop distributions. A shim is a small library that intercepts API calls and either redirects or handles them, or changes the calling parameters. Periodically, Pentaho develops new shims as vendors develop new Hadoop distributions and versions. These big data shims are tested and certified by Pentaho engineers. The following steps will help you get Pentaho set up to work with your Hadoop cluster.

Shim support policy

Pentaho provides Enterprise Edition support for distributions by Cloudera, Hortonworks and MapR. It is Pentaho's intention to support new distro's and versions by these vendors as soon as we can within 90 days of general availability. This support is made available via monthly service packs.

Due to the rapid pace of development and frequency of releases on the part of the distro vendors, Pentaho can only test and fully support the last two major releases for each vendor. There is no reason that previous shims would stop working as new ones are released but we have to draw the line at 2.

This page, and the version matrix on it, reference both supported and unsupported distributions. References to un-supported versions is for community users and does not imply support.

Determine the proper shim for your Hadoop Distro and version

Pentaho is pre-configured for Apache Hadoop 0.20.2. If you are using this distribution and version, no further configuration is required.

In the following table, click the tab of the Hadoop distribution that you are interested in, then locate the version of the distribution you want to use. Note the name of the corresponding shim and the minimum version of the Pentaho software that supports it.

For example, if you want to use the Cloudera's CDH 4.2.1, click the Cloudera tab, then look in the Hadoop version column. CDH4.2.x is supported with shim cdh42. You need to have Pentaho Business Analytics (or Pentaho Data Integration) version 5.0 or later installed to use this shim.


Pentaho Shim Support Matrix

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Version

Shim

Pentaho Suite Ver+

Download

Notes

0.20.x

hadoop-20

5.0

included in 5.0, 5.1

 

1.0.x

NS*

 

 

No Support planned

1.1.x

NS*

 

 

No Support planned

1.2.x

NS*

 

 

No Support planned

2.x.x

NS*

 

 

No Support planned

Go to Apache releases

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Version

Shim

Pentaho Suite Ver+

Download

Notes

CDH4.0, 4.0.1, 4.1, 4.1.1

cdh4

5.0

download

The cdh42 shim also supports this configuration

CDH4.1.2

cdh412

5.0

download

The cdh42 shim also supports this configuration

CDH4.1.3

cdh413

5.0

download

The cdh42 shim also supports this configuration

CDH4.2.x

cdh42

5.0

included in 5.0, 5.1

Backward compatible with all earlier cdh4.x distributions

CDH4.3 - CDH4.6

cdh42

5.0

included in 5.0, 5.1

 

CDH4.7

++cdh42

NS

included in 5.0, 5.1

++Not yet QA tested but minor releases rarely have issues PDI-12313

CDH5

cdh50

**5.0.4

included with 5.0.6, 5.1

 

CDH5.1

cdh51

5.2

included with 5.2

 

Go to Cloudera releases

*NOTE: the cdh42 shim supports all versions of CDH from 4.0 through 4.6.x

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Version

Shim

Pentaho Suite Ver+

Download

Notes

HDP 1.2.x

hdp12

4.8 + BD Plugin 1.3.2+

download

 

HDP 1.3.x

hdp13

4.8 + BD Plugin 1.3.2+

download

 

HDP 1.3 for Win

*NS

 

 

Testing and support is waiting for customer demand. Vote here: PDI-10266

HDP 2.0

hdp20

**5.0.4

included in 5.0.4 and 5.1

 

HDP 2.1

hdp21

5.2

included in 5.2

 

Go to Hortonworks releases

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Version

Shim

Pentaho Suite Ver+

Download

Notes

IDH 2.3

idh23

4.8 + BD Plugin 1.3.2+

download

 

Go to Intel releases

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Version

Shim

Pentaho Suite Ver+

Download

Notes

1.1.3, 1.2.0

mapr

4.8+

download

 

2.0.x

NS*

 

 

No Support planned PDI-9648

2.1.x

mapr21

4.8 + BD Plugin 1.3.2+

included

 

3.0.x

mapr30

**5.0.4

included with 5.0.4

 

3.1.x

mapr31

**5.0.4

included with 5.0.6, 5.1, 5.2

This shim is available with the Enterprise Edition of Pentaho products and must be downloaded from Pentaho Support

4.0.x

*NS

 

 

Support planned PDI-12091

Go to MapR releases

* NS - Not supported. See Hadoop Configurations for information on how to create or modify a shim to support your configuration

+ Pentaho Suite Ver is the earliest version of the Pentaho suite that supports this shim. Subsequent Pentaho versions will also support this shim unless otherwise noted.

** 5.0.4 - Only supported with Big Data Plugin 5.0.4 or later. EE Customers can upgrade to 5.0.4 by going to support.pentaho.com CE Users can upgrade by following the Upgrade Hadoop in Community Edition to 5.0.4 instructions.


If the Hadoop distribution you want is supported but not installed by default

You need to download the shim from our support site, click the Download link for the shim in the above table. For a list of all available shims, go to 5.0.0 shims for version 5.0.0 to 5.0.3 and 5.0.4 shims. We recommend that you upgrade to 5.0.4 if possible

Go to Install Hadoop Distribution Shim for instructions on how to install the shim.

If the Hadoop distribution you want is not listed as supported in the table.

  • Look at the table of Jira cases below. The shim you want might be scheduled for development, but not yet released.
  • You can request that Pentaho develop one, fill out a Jira ticket.
  • It is possible to develop it yourself, check out the Hadoop Configuration page for more information.

Set Active Hadoop Distribution

These steps apply to DI and BA Servers as well as the design tools Spoon, Report Designer, and Metadata Editor.

Specify which Hadoop Distribution (shim) you want to make active. You must do this for each Pentaho application that needs access to the Hadoop cluster. Only one distribution can be active at a time; so each time you change the distributions or version, you will need to reset the active Hadoop distribution.

  1. Stop the application (e.g. Spoon, DI Server, Report Design, BA Server, Metadata Editor) if it is running.
  2. Navigate to the pentaho-big-data-plugin folder. This folder is different for each application and located:
    • DI Server - data-integration-server/pentaho-solutions/system/kettle/plugins/pentaho-big-data-plugin
    • BA Server - biserver-ee/pentaho-solutions/system/kettle/plugins/pentaho-big-data-plugin
    • Spoon - data-integration/plugins/pentaho-big-data-plugin
    • Report Designer - report-designer/plugins/pentaho-big-data-plugin
    • Metadata Editor - metadata-editor/plugins/pentaho-big-data-plugin
  3. Edit the plugin.properties file.
  4. Set the active.hadoop.configuration property to match the name of the shim you want to make active. For example, if the name of the shim is cdh42, then the code would look like this: active.hadoop.configuation=cdh42.
  5. Save and close the plugin.properties file.

YARN shims require additional configuration.  See Additional Configuration for YARN Shims for more detail. 

MapR users need to do further configuration as described in Additional Configuration for MapR Shims.

CDH 5 users who want to configure CDH 5 to use Map Reduce 1 instead of Map Reduce 2, follow the instructions in Additional Configuration for using MR1 with CDH5.

Open JIRA Cases for Hadoop Distribution Support

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Next Steps

Now that you've configured Pentaho for your Hadoop distribution, there are many things you can do.  Here are a few links to get you started!

Want to switch gears and read something a little different? Check out these articles on the evolution of Hadoop.

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