seattle hadoop announce: meeting December 2nd @ 7:15 pm, Mahout and S4

2010-12-01 Thread sean jensen-grey
Hello Fellow Mappers and Reducers, We are meeting at 7:15 pm on December 2nd at the University Heights Community Center 5031 University Way NE Seattle WA 98105 Room #110 The meetings are informal and highly conversational. If you have questions about Hadoop and map reduce this is a great place

Re: FILE_BYTES_WRITTEN and HDFS_BYTES_WRITTEN

2010-12-01 Thread Pedro Costa
This is not what I ask. Maybe I haven't expressed correctly. 1 - I suppose that the map tasks are the only tasks that write to local disks. This happens during the creation of the map output. The FILE_BYTES_WRITTEN corresponds only to the total of number of bytes produced by all map tasks during t