Is it possible that some intermediate data produced by mappers and written to the local file system resides in memory in the file system cache and is never flushed to disk ? Eventually reducers will retrieve this data via HTTP - possibly without the data ever being written to disk ?
thanks Paula -- View this message in context: http://www.nabble.com/Is-intermediate-data-produced-by-mappers-always-flushed-to-disk---tp23617347p23617347.html Sent from the Hadoop core-user mailing list archive at Nabble.com.
