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From Edison Su <Edison...@citrix.com>
Subject RE: 超出Host的VM
Date Tue, 17 Jul 2012 01:28:14 GMT
你的机器得硬件可以支持内存hot plug吗?如果可以,不就可以手动实现memory
balloon了

> -----Original Message-----
> From: Lu Heng [mailto:h.lu@anytimechinese.com]
> Sent: Monday, July 16, 2012 4:20 PM
> To: cloudstack-users-cn@incubator.apache.org
> Subject: Re: 超出Host的VM
> 
> 对啊,我们类似这种客户案列很多,全部配置负载平衡的话很累的。
> 
> 不知道你们的客户怎么解决这个问题的,特别大规模部署的时候,配置很多小VM做集群?
> 
> On Tue, Jul 17, 2012 at 1:15 AM, Frank Zhang <Frank.Zhang@citrix.com>
> wrote:
> > 那没有办法了,毕竟软件是受硬件限制的
> >
> >> -----Original Message-----
> >> From: Lu Heng [mailto:h.lu@anytimechinese.com]
> >> Sent: Monday, July 16, 2012 2:36 PM
> >> To: cloudstack-users-cn@incubator.apache.org
> >> Subject: Re: 超出Host的VM
> >>
> >> 但这个会大大提高部署复杂程度,比如说我们最近一个客户的部署实例:
> >>
> >> 客户要求在美国128GB内存的数据库服务器一台,64GB的前端HTTP服
> >> 务器一台,需要冗余备份。客户在欧洲有一套物理服务器的解决方案
> >> (同样是64GB的前端网页服务器,128GB的数据库服务器)。两地使
> >> 用Any-Cast
> >>
> >> 我们在美国给客户推荐使用我们的云解决方案,给客户做的解决方案如
> >> 下:
> >> 32GB的WEB VM两台,做负载平衡。
> >> 128GB的VM一台,做数据库服务器,和欧洲的同步。
> >>
> >> 但目前的问题是,我们的HOST标准内存都是32GB,在不改动硬件的情
> >> 况下,只能调整为以下
> >> 16GB的WEB VM四台,做负载平衡。
> >> 16GB的数据库服务器8台,做负载平衡,同时和欧洲同步(负载平衡+
> >> 与欧洲数据库实时同步),这个增加配置难度N倍。
> >>
> >> 而且客户的应用程序方面还要做调整,但如果我们增加HOST的内存到
> >> 144GB,我们又需要即时增加硬件投资,即使我们目前的可用内存在集
> >> 群里的,目前全部可用内存超过1000GB。
> >>
> >> 有任何的idea关于更好的解决方案嘛?
> >> On Mon, Jul 16, 2012 at 7:52 PM, Frank Zhang
> <Frank.Zhang@citrix.com>
> >> wrote:
> >> > 个人觉得没有希望,而且这不是将来的方向。
> >> > 单个VM超出host的资源,在非虚拟化世界里其实就类似于大型机,
> >> 单个机器拥有大量资源用于运算。
> >> > 但目前的趋势是通过软件方法将普通机器集群起来,例如分布式计算,
> >> 来达到甚至超过大型机的。
> >> >
> >> >
> >> >> -----Original Message-----
> >> >> From: Lu Heng [mailto:h.lu@anytimechinese.com]
> >> >> Sent: Monday, July 16, 2012 12:58 AM
> >> >> To: cloudstack-users-cn@incubator.apache.org
> >> >> Subject: Re: 超出Host的VM
> >> >>
> >> >> 但如果单个VM永远大不过单个HOST的话。。。大规模计算永远得
> >> 靠
> >> >> 老办法(多个服务器做平衡等等)。
> >> >>
> >> >> 未来有希望嘛。。。?
> >> >>
> >> >> On Mon, Jul 16, 2012 at 6:50 AM, Edison Su <Edison.su@citrix.com>
> wrote:
> >> >> >
> >> >> >
> >> >> > Sent from my iPhone
> >> >> >
> >> >> > On Jul 14, 2012, at 2:13 PM, "Lu Heng"
> <h.lu@anytimechinese.com>
> >> wrote:
> >> >> >
> >> >> >> Hey colleagues:
> >> >> >>
> >> >> >> 我想问的是目前似乎不能让单个VM使用资源超出HOST服务器的
> >> 资
> >> >> 源。如,如果Host server是32GB
> >> >> >> RAM的话,单个VM能同时使用多个HOST server的资源吗?
> >> >> >>
> >> >> >> 如果HOST SERVER不能实现资源整合分配的话,似乎和云的概念
> >> 有些
> >> >> 不符合。
> >> >> >>
> >> >> >> 目前市面上的其他解决方案似乎都不能让单个VM使用超过HOST
> >> 的
> >> >> 物理资源。
> >> >> >
> >> >> > 有个公司叫3leaf system,做的东西就跟你说的很像,把多个x86服
> >> 务器
> >> >> 整合成一个服务器,但是这个公司已经破产了。。。
> >> >> >>
> >> >> >> --
> >> >> >> --
> >> >> >> Kind regards.
> >> >> >> Lu
> >> >> >>
> >> >> >> This transmission is intended solely for the addressee(s)
> shown above.
> >> >> >> It may contain information that is privileged, confidential
or
> >> >> >> otherwise protected from disclosure. Any review, dissemination
> or
> >> >> >> use of this transmission or its contents by persons other
than
> the
> >> >> >> intended addressee(s) is strictly prohibited. If you have
> received
> >> >> >> this transmission in error, please notify this office
> immediately
> >> >> >> and e-mail the original at the sender's address above by
> replying
> >> >> >> to this message and including the text of the transmission
> received.
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> --
> >> >> Kind regards.
> >> >> Lu
> >> >>
> >> >> This transmission is intended solely for the addressee(s) shown
> above.
> >> >> It may contain information that is privileged, confidential or
> >> >> otherwise protected from disclosure. Any review, dissemination or
> use
> >> >> of this transmission or its contents by persons other than the
> >> >> intended addressee(s) is strictly prohibited. If you have
> received
> >> >> this transmission in error, please notify this office immediately
> and
> >> >> e-mail the original at the sender's address above by replying to
> this
> >> >> message and including the text of the transmission received.
> >>
> >>
> >>
> >> --
> >> --
> >> Kind regards.
> >> Lu
> >>
> >> This transmission is intended solely for the addressee(s) shown
> above.
> >> It may contain information that is privileged, confidential or
> otherwise
> >> protected from disclosure. Any review, dissemination or use of this
> >> transmission or its contents by persons other than the intended
> addressee(s)
> >> is strictly prohibited. If you have received this transmission in
> error, please
> >> notify this office immediately and e-mail the original at the
> sender's address
> >> above by replying to this message and including the text of the
> transmission
> >> received.
> 
> 
> 
> --
> --
> Kind regards.
> Lu
> 
> This transmission is intended solely for the addressee(s) shown above.
> It may contain information that is privileged, confidential or
> otherwise protected from disclosure. Any review, dissemination or use
> of this transmission or its contents by persons other than the
> intended addressee(s) is strictly prohibited. If you have received
> this transmission in error, please notify this office immediately and
> e-mail the original at the sender's address above by replying to this
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