Cloudera Search provides the ability to batch index documents using MapReduce jobs.
If you did not install MapReduce tools required for Cloudera Search, do so on hosts where you want to submit a batch indexing job as described in Installing MapReduce Tools for use with Cloudera Search.
For information on tools related to batch indexing, continue reading:
Running an Example Indexing Job
For examples of running a MapReduce job to index documents, see Cloudera Search Tutorial