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大数据分析 R语言实现_170.docx - Hiidoop mid MapReduce Framework fdr...

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Hiidoop mid MapReduce Framework fdr RAgain, as the output is quite long, we ve decided to include only a short snapshot ofreturned memory metrics. A similar output can be achieved using the vmstat command withthe -s option, as follows:$ vmatat-sFor more in-depth monitoring of memory usage for specific processes we recommend thetop command or an additional tool called htop. Both return roughly the same metrics, htopbeing, however, a little bit more human-readable:$ topS XCPUWENSHRETIME*COMMANDPID USERtop-11:19:22 up 1:20, 2 users, load average: 2.37, 2.56, 2.16Tasks: 193 total, 1 running, 192 sleeping, 0 stopped, 0 zombieCpu(s):I.CMJS,9.2X$y.98.8X2. 8.(Wa, O.eWii. 8.0XSI. 8.0Xst
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24m, 144 4688 m, 275 984 4396 m, 345 5192 m, 1232 323 m

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