通告

无奈 (2008-7-22)

上周开始账号被停用,网站打不开,原因是由于CPU Exceeds。
和客服来回了不知道多少英文信,知道一个虚拟主机上居然跑了500个网站,让我查了log,查到了很多SQL运行时间很慢,也有很多超出CPU运行限制的请求。删了自己的Photo Gallery,看来只能用其他例如Google picasa等图片网站了。
终于连哄带骗地让Supporter同意重新恢复网站。但是心中已经有了搬家的想法。
 今年已经两次停账号了,一点感想:
1、不要在自己网站上建立 Photo Gallery等巨耗系统资源的应用,疯狂的爬虫会把你的网站拖死。
2、不要用过多Fancy的功能和插件,性能还是第一位的。
3、要注意各大搜索引擎的爬虫才是真正让网站性能降低的关键。
4、考虑建立静态页面。
 这次由于停用,导致很多用户访问不了,请大家见谅。

周五网站宕机 (2008-6-21)

晕,周五登录,发现打不开,以为被GFW和谐了,想想不会吧,两年以来都没有被和谐过,今年走霉运了。
ping不通,然后siteuptime.com发来邮件说,site is unavailable,才知道美国访问也是不行。
登录cPanel才发现有通告,说是服务器硬盘坏了,将进行修理和恢复,为期6-8小时,晕死。
今天去看了一下GoogleAnalytics发现了网站浏览数降到了个位数。当然原本也没多少。
 这样的事故级故障在做了这么多年成熟的webhosting的公司Bluehost.com来说,应该不多见啊,基本上Q2的KPI就没了。
所以要保持4个9还是难的,上次看了一下siteuptime.com对我的网站的统计,基本上都在98%左右,有一个月居然是95%,也就是说一个月30天中,有1.5天网站是宕机的。
天哪,要是搁在Alibaba.com,是多么的不可思议。前段时间看Donews,Amazon.com也宕机了,一宕就是2个小时,周五宕机的,周一又断断续续宕机,导致股票一下子跌了11%。Amazon新闻发言人说,没办法,架构太复杂了,已经尽全力解决了。根据我的经验来看,基本上是某个程序员发布了一个小需求或者小bugfix,导致一个很严重的问题,成为了压死骆驼的最后一根稻草。
互联网公司的质量是最重要的,这点都不能做好,顷刻间就损失好几千万,甚至上亿。

网站稳定性纪要 (2008-5-18)

虚拟主机这段时间也不稳定啊,2008年只有98%多的可用性,5月份更是惨,只有96%的多,有一些时间网站是打不开的。所以各位在访问时,如果遇到网站打不开时,请过段时间再来。没办法,我也控制不了。  
www.karlinabattle.net
Since: May 15, 2007 Outages: 85 Total Uptime: 99.149% Last Check: May 18, 2008 at 6:14 PM PST+15.0

Year
Outages
Uptime

2008
59
98.377%

Year
Month
Outages
Uptime
Downtime

2008
May
25
96.506%
3.494%

2008
April
20
95.565%
4.435%

2008
March
6
99.597%
0.403%

2008
February
3
99.714%
0.286%

2008
January
5
99.666%
0.334%

Average response time: 0.259 seconds

网站升级成功 (2008-2-1)

由于域名转移搞不定和其他种种原因,还是选择了原来的WebHosting供应商,稳定性等都不错,当时也是贪图便宜,多一事不如少一事。
另外网站的风格变了,这两天选了一块比较干净,简洁的主题,换了个脸,也改变一下心情。2008年确实需要新的生活主题。还有些bug和细节上的改动,等这两天空下来再改吧。
外面雪大,预祝过年回家的人
不再堵在路上,能够平平安安地回家,

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