Browse to Ambari Web > Services > HDFS > Configs, then expand Advanced core-site.

Find the io.compression.codecs property key.

Append to the io.compression.codecs property key, the following value: com.hadoop.compression.lzo.LzoCodec

Add a description of the config modification, then choose Save.

Expand the Custom core-site.xml section.

Select Add Property.

Add to Custom core-site.xml the following property key and value

Choose Save.

Add a description of the config modification, then choose Save.

Restart the HDFS, MapReduce2 and YARN services.

	Note
	If performing a Restart or a Restart All does not start the required package install, you may need to stop, then start the HDFS service to install the necessary LZO packages. Restart is only available for a service in the "Runnning" or "Started" state.