Hadoop环境的基准测试不建议在自己的电脑上搭建虚拟机进行基准测试；我的主板几乎烧毁

 [user@NewBieMaster sbin]$ hadoop jar /home/user/hadoop-3.2.2/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-3.2.2-tests.jar TestDFSIO -write -nrFiles 10 -fileSize 8MB

    
 2021-07-03 15:28:52,823 INFO fs.TestDFSIO: TestDFSIO.1.8
    
 2021-07-03 15:28:52,825 INFO fs.TestDFSIO: nrFiles = 10
    
 2021-07-03 15:28:52,825 INFO fs.TestDFSIO: nrBytes (MB) = 8.0
    
 2021-07-03 15:28:52,825 INFO fs.TestDFSIO: bufferSize = 1000000
    
 2021-07-03 15:28:52,825 INFO fs.TestDFSIO: baseDir = /benchmarks/TestDFSIO
    
 2021-07-03 15:28:54,350 INFO fs.TestDFSIO: creatin