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Posted to common-user@hadoop.apache.org by "Daniel,Wu" <ha...@163.com> on 2011/08/13 12:21:23 UTC

why two values in the log: data buffer = 79691776/99614720

They have 2 values in the log, do they mean max and min?

2011-08-13 18:18:16,661 INFO org.apache.hadoop.mapred.MapTask: data buffer = 79691776/99614720
2011-08-13 18:18:16,661 INFO org.apache.hadoop.mapred.MapTask: record buffer = 262144/327680