NGINX 最佳缓存实践

NGINX的缓存最佳实践
全新的硬盘

[root@main ~]# for s in {a..c}
> do
> echo "/dev/sd$s";
> smartctl --all /dev/sd$s | grep Power_On_Hours
> done
/dev/sda
  9 Power_On_Hours          0x0012   100   100   000    Old_age   Always       -       1
/dev/sdb
  9 Power_On_Hours          0x0012   100   100   000    Old_age   Always       -       1
/dev/sdc
  9 Power_On_Hours_and_Msec 0x0032   051   051   000    Old_age   Always       -       43429h+54m+43.880s

# 读写速度测试 Raid0
[root@main cache]# ls
lost+found
[root@main cache]# dd if=/dev/zero of=testfile bs=1G count=1 oflag=dsync && rm -rf testfile

1+0 records in
1+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.35152 s, 247 MB/s
[root@main cache]# dd if=/dev/zero of=testfile bs=512 count=1000 oflag=direct  && rm -rf testfile
1000+0 records in
1000+0 records out
512000 bytes (512 kB, 500 KiB) copied, 0.193716 s, 2.6 MB/s
[root@main cache]#

然后开始部署缓存