reducers
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how to find the id of each map task?
I want to get the id of each mapper and reducer task because I want to tag the output of these mappers and reducers according to the mapper and reducer id. How can I retrieve the ids of each?[详细]
2023-01-06 02:54 分类：问答Stopping a program if the next process in the pipeline was stopped
when I\'m running the following pipeline: cat my_large_file.txt | head | wc the process stops almost immediately. OK.[详细]
2022-12-17 15:04 分类：问答Amazon MapReduce no reducer job
I am trying to create a mapper only job via AWS (a streaming job). The reducer field is required, so I am giving a dummy executable, and adding -jobconf mapred.map.tasks=0 to the Extra Args box. In th[详细]
2022-12-15 00:29 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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