mapred.map.tasks 改版后变成了 mapreduce.job.maps
mapred.reduce.tasks 改版后变成了 mapreduce.job.reduces
Apache 的官方文档链接:
https://hadoop.apache.org/docs/r2.7.2/hadoop-mapreduce-client/hadoop-mapreduce-client-core/
mapred.map.tasks 改版后变成了 mapreduce.job.maps
mapred.reduce.tasks 改版后变成了 mapreduce.job.reduces
Apache 的官方文档链接:
https://hadoop.apache.org/docs/r2.7.2/hadoop-mapreduce-client/hadoop-mapreduce-client-core/