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我想使用 org.apache.hadoop.mapreduce.Reducer.Context.getCounter API将自定义计数器添加 到我的Apache Crunch作业中。有人知道如何从 Crunch 管道访问上下文吗？
显而易见的地方是
org.apache.crunch.DoFn#getCounter
你猜怎么着？在那里...