Ambari Reference Guide
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Configure core-site.xml for LZO

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

  2. Find the io.compression.codecs property key.

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

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

  5. Expand the Custom core-site.xml section.

  6. Select Add Property.

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

    Property Key

    Property Value

    io.compression.codec.lzo.class

    com.hadoop.compression.lzo.LzoCodec

  8. Choose Save.

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

  10. Restart the HDFS, MapReduce2 and YARN services.

    [Note]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.