phpor – 第58页 – PHPor 的Blog

图形化sar

linux下的sar很强大，但是是命令行的，尤其是一大堆数据看趋势的时候，非常不直观，其实有人已经都想过来，看 …

docker资源限制之IO

原理：通过cgroup限制，相关cgroup项如下： [crayon-685199288ce54058181 …

docker 文件系统问题

[root@bs2 ~]# top
top - 18:08:43 up 149 days,  6:41,  4 users,  load average: 396.86, 356.44, 250.94
Tasks: 2776 total,   2 running, 2764 sleeping,   1 stopped,   9 zombie
%Cpu(s):  0.8 us,  3.8 sy,  0.0 ni,  6.3 id, 89.1 wa,  0.0 hi,  0.1 si,  0.0 st
KiB Mem : 66059044 total,   629988 free, 53493632 used, 11935424 buff/cache
KiB Swap:  8191996 total,        0 free,  8191996 used.  7737832 avail Mem

   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
 45674 root      20   0       0      0      0 R  99.7  0.0   5:18.03 kworker/u289:6
 18863 root      20   0 3459280 256908   5816 S  22.7  0.4   6902:42 cadvisor

[root@bs2 ~]# top

top - 18:08:43 up 149 days, 6:41, 4 users, load average: 396.86, 356.44, 250.94

Tasks: 2776 total, 2 running, 2764 sleeping, 1 stopped, 9 zombie

%Cpu(s): 0.8 us, 3.8 sy, 0.0 ni, 6.3 id, 89.1 wa, 0.0 hi, 0.1 si, 0.0 st

KiB Mem : 66059044 total, 629988 free, 53493632 used, 11935424 buff/cache

KiB Swap: 8191996 total, 0 free, 8191996 used. 7737832 avail Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND

45674 root 20 0 0 0 0 R 99.7 0.0 5:18.03 kworker/u289:6

18863 root 20 0 3459280 256908 5816 S 22.7 0.4 6902:42 cadvisor

[crayon-6851992 …

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crontab 依赖

crontab不大，但是依赖却不少

==================================================================================================================
 Package                      Arch                Version                              Repository            Size
==================================================================================================================
Installing:
 crontabs                     noarch              1.10-33.el6                          base                  10 k
Installing for dependencies:
 cronie                       x86_64              1.4.4-16.el6_8.2                     updates               75 k
 cronie-anacron               x86_64              1.4.4-16.el6_8.2                     updates               31 k
 dbus-glib                    x86_64              0.86-6.el6                           base                 170 k
 hwdata                       noarch              0.233-16.1.el6                       base                 1.3 M
 initscripts                  x86_64              9.03.53-1.el6.centos.1               updates              947 k
 iproute                      x86_64              2.6.32-54.el6                        base                 389 k
 iptables                     x86_64              1.4.7-16.el6                         base                 254 k
 iputils                      x86_64              20071127-21.el6                      base                 120 k
 libdrm                       x86_64              2.4.65-2.el6                         base                 136 k
 libpciaccess                 x86_64              0.13.4-1.el6                         base                  24 k
 logrotate                    x86_64              3.7.8-26.el6_7                       base                  58 k
 plymouth                     x86_64              0.8.3-27.el6.centos.1                base                  89 k
 policycoreutils              x86_64              2.0.83-29.el6                        base                 663 k
 redhat-logos                 noarch              60.0.14-12.el6.centos                base                  15 M
 rsyslog                      x86_64              5.8.10-10.el6_6                      base                 650 k
 ssmtp                        x86_64              2.61-22.el6                          epel                  53 k
 sysvinit-tools               x86_64              2.87-6.dsf.el6                       base                  60 k
 udev                         x86_64              147-2.73.el6_8.1                     updates              358 k
 util-linux-ng                x86_64              2.17.2-12.24.el6                     base                 1.6 M

Transaction Summary
==================================================================================================================
Install      20 Package(s)

Total download size: 21 M
Installed size: 42 M