Hi Naresh, You may be better off rephrasing your question at a higher level. What exactly are you trying to accomplish? The code you're citing is very "internal" and not meant to be touched by user-level code.
-Todd On Sun, Jul 5, 2009 at 11:13 AM, Naresh Rapolu <nareshreddy.rap...@gmail.com > wrote: > > Hello, > > In ReduceTask.java , MapOutputCopier# getMapOutput() function. > What do the following variables contain. > > long decompressedLength = > Long.parseLong(connection.getHeaderField(RAW_MAP_OUTPUT_LENGTH)); > long compressedLength = > Long.parseLong(connection.getHeaderField(MAP_OUTPUT_LENGTH)); > > Can i get the number of map output records in this copied file using any > of these variables ?? > None of these seems to be a multiple of Record<K,V> size. I understand > there might be some header information and checksum content inside these > length, but can any one let me know how should i subtract them to get the > aggregate size of map-output-records. > > Thanks, > Naresh Rapolu. > -- > View this message in context: > http://www.nabble.com/Need-help-understanding-the-source-tp24345474p24345474.html > Sent from the Hadoop core-dev mailing list archive at Nabble.com. > >
