Virmach VPS资源使用限制

Virmach作为廉价VPS的代表广为人知。但是,VPS也和其它商品一样,一分钱一分货。Virmach的稳定性还是相当不错的,可能会影响到使用的就是比较严格的资源限制了,我手上的几台VPS都遇到了因为资源使用过高导致被关机甚至挂起,特将Virmach关于VPS资源限制的条款翻译出来,防止各位踩坑。

Virmach实际使用

Virmach的资源限制是保证低价服务稳定运行的基础,如果不加以严格的限制,极有可能变成其它垃圾商家那样,因为个别用户的滥用影响到其他所有客户服务的稳定。下面就我实际使用及其他用户的反馈说一下:

  • PHP5被恶意CC攻击导致CPU过高被suspend停机,更换PHP7之后缓解
  • 短时间内多次重装系统导致IO过高被suspend停机
  • 流量用光后suspend停机,这个基本所有主机商都这样限制,下月流量重置后自动重新开机

建议优先选择搬瓦工等机型以求更稳定和更高的性能。或者抱着一个良好的心态购买这种价格极低的机器,资源不够用之后及时升级或者更换到更好的VPS。总体来说Virmach是所有低价VPS服务提供商中(KVM年付低于15美金)最值得推荐的一家。

Virmach资源限制条款

  1. High CPU: Customer’s Service cannot burst to 95-100% usage for more than five (5) minutes and cannot average higher than 50% usage within any two (2) hour period. Packages advertised to include dedicated CPU, Services with the high CPU option, and any customized Service plans that include high CPU option may burst to 100% at all times.
    高CPU占用: 客户的VPS不能占用95%~100%超过5分钟或者两小时内平均超过50%。高CPU选项机型,独占CPU机型不能一直占用100%。
  2. High Load: Customer’s Service cannot have a 15-minute load average higher than the number of full logical cores assigned and cannot have a 1-day load average higher than 70% of the number of full logical cores assigned.
    高负载: 客户的VPS不能高于所分配核心数15分钟,或者一天内不能高于平均70%。
  3. High Mail Volume: VirMach reserves the right to block port 25 on Customer’s Service. Customer cannot send more than 100 maximum e-mails per hour, and must maintain a similar average volume of mail on a week-to-week basis—no bursting permitted. VirMach reserves the right to waive this requirement for the purpose of a customized Service plan.
    大量邮件发送: Virmach保留屏蔽25端口的权利。客户不能发送高于100封邮件/小时,或者是每周不能超过16800封,没有突发值。Virmach保留废除此条款的权利以便给客户定制服务。
  4. High I/O: Customer’s Service cannot average more than 80 IOPS within any two (2) hour period, cannot burst above 300MB/s disk write average for more than ten (10) minutes, cannot average more than 300 write operations per second for more than 1 hour, and cannot be above 20% average utilization within any six (6) hour period.
    高I/O占用: 客户的机型在2小时内不能超过平均80IOPS,10分钟突发值不能超过300MB/s, 平均值超过300次/秒持续时间不能超过1个小时,6小时内不能高于20%平均利用率
  5. High Network Usage: Customer’s Service cannot have more than 50,000 conntrack sessions at any given time, and cannot use more than the allocated bandwidth. Customer understands that the network is shared and utilizing maximum network speed will not always be possible.
    高网络占用:客户机型在任何时间内不能超过50000 conntrack session, 不能超过分配的带宽; 客户同意所标注网络值为共享值,在实际使用中并非总能达到最大速率。

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