https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/io/ReadaheadPool.html
ReadaheadPool (Hadoop 1.2.1 API)
hadoopapi
https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/io/ReadaheadPool.ReadaheadRequest.html
ReadaheadPool.ReadaheadRequest (Hadoop 1.2.1 API)
hadoopapi