关于服务器核心数和CPU占比的信息

查看系统CPU的相关信息
cat /proc/cpuinfo
然后对照网址中的这个表
>查看有多少个CPU：
结果显示如下：
Status of processor 0 as of: 07/28/05 11:24:23 Processor has been on-line since 05/27/05 17:43:26 The sparcv9 processor operates at 900 MHz, and has a sparcv9 floating point processorStatus of processor 1 as of: 07/28/05 11:24:23 Processor has been on-line since 05/27/05 17:43:26 The sparcv9 processor operates at 900 MHz, and has a sparcv9 floating point processorStatus of processor 2 as of: 07/28/05 11:24:23 Processor has been on-line since 05/27/05 17:43:26 The sparcv9 processor operates at 900 MHz, and has a sparcv9 floating point processorStatus of processor 3 as of: 07/28/05 11:24:23 Processor has been on-line since 05/27/05 17:43:12 The sparcv9 processor operates at 900 MHz, and has a sparcv9 floating point processor
表明是有四颗CPU跑在该服务器上
查看CPU的利用率：#topor#mpstat均可

1查看物理cpu个数
grep 'physical id' /proc/cpuinfo | sort -u
2查看核心数量
grep 'core id' /proc/cpuinfo | sort -u | wc -l
3查看线程数
grep 'processor' /proc/cpuinfo | sort -u | wc -l
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阿里云服务器，你看到的并不说，真正的服务器就1个cpu，肯定是大于好多cpu和1g内存的，只不过给你分配了那么点，当然肯定是比你pc机要稳定一些的。做个小网站还是没问题的，大了就不行了。

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