我刚刚实现了 G-WAN Web 服务器并测试了我的代码,但是很奇怪我的服务器响应有时非常快(20 毫秒),有时超过几秒(6-7 秒)甚至超时......
我尝试简化我的代码,并向客户端返回一个字符串,问题仍然存在......此外,我记录了我的代码消耗的时间,它从未超过 1 秒,那么是什么原因造成的?!
我猜这是网络延迟造成的,并测试了同一台服务器的网络速度,它非常快,有什么想法吗?(是否会包含一些 3rd 方库,如 MySQL 引起的问题?)
这是我的 G-WAN 日志:
*------------------------------------------------
*G-WAN 4.3.14 64-bit (Mar 14 2013 07:33:12)
* ------------------------------------------------
* Local Time: Mon, 29 Jul 2013 10:09:05 GMT+8
* RAM: (918.46 MiB free + 0 shared + 222.81 MiB buffers) / 1.10 GiB total
* Physical Pages: 918.46 MiB / 1.10 GiB
* DISK: 3.27 GiB free / 6.46 GiB total
* Filesystem Type Size Used Avail Use% Mounted on
* /dev/mapper/vg_centos6-root
* ext4 6.5G 3.2G 3.0G 52% /
* tmpfs tmpfs 1004M 8.2M 995M 1% /dev/shm
* /dev/xvda1 ext4 485M 129M 331M 28% /boot
* 105 processes, including pid:10874 '/opt/gwan/gwan'
* Page-size:4,096 Child-max:65,535 Stream-max:16
* CPU: 1x Intel(R) Xeon(R) CPU E5506 @ 2.13GHz
* 0 id: 0 0
* Cores: possible:0-14 present:0 online:0
* L1d cache: 32K line:64 0
* L1i cache: 32K line:64 0
* L2 cache: 256K line:64 0
* L3 cache: 4096K line:64 0
* NUMA node #1 0
* CPU(s):1, Core(s)/CPU:0, Thread(s)/Core:2
* Bogomips: 4,256.14
* Hypervisor: XenVMMXenVMM
* using 1 workers 0[1]0
* among 2 threads 0[]1
* 64-bit little-endian (least significant byte first)
* CentOS release 6.3 (Final) (3.5.5-1.) 64-bit
* user: root (uid:0), group: root (uid:0)
* system fd_max: 65,535
* program fd_max: 65,535
* updated fd_max: 500,000
* Available network interfaces (3):
* 127.0.0.1
* 192.168.0.1
* xxx.xxx.xxx.xxx
* memory footprint: 1.39 MiB.
* Host /opt/gwan/0.0.0.0_8080/#0.0.0.0
* loaded index.c 3.46 MiB MD5:afb6c263-791c706a-598cc77b-e0873517
* memory footprint: 3.40 MiB.