Andreas Kostyrka wrote:
java.lang.StackOverflowError
at
org.apache.hadoop.mapred.MapTask$MapOutputBuffer.compare(MapTask.java:494)
at org.apache.hadoop.util.QuickSort.fix(QuickSort.java:29)
at org.apache.hadoop.util.QuickSort.sort(QuickSort.java:58)
at org.apache.hadoop.util.QuickSort.sort(QuickSort.java:82)
Quicksort is known to cause stack overflows when sorting large,
already-sorted data. Could that be the issue here?
http://safari.oreilly.com/0201361205/ch07lev1sec3
http://www.finesse.demon.co.uk/steven/sorting.html#quicksort
http://www.seeingwithc.org/topic2html.html
Doug
