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Cloud Connect大会Day2:开源与云数据中心

Jun 07, 2016 pm 03:27 PM
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【CSDN报道】如果你想了解大会第一天的内容,请点击《 Cloud Connect大会Day1:OCP与SwiftStack》。 图:展厅内巨大的广告牌,Azure、OpenStack与Dell PayPal的PaaS之旅 在《云数据中心》专题论坛首先聆听了PayPa平台工程与运营副总裁Nat Rajesh Natarajan的

【CSDN报道】如果你想了解大会第一天的内容,请点击《 Cloud Connect大会Day1:OCP与SwiftStack》。

Cloud Connect大会Day2:开源与云数据中心

图:展厅内巨大的广告牌,Azure、OpenStack与Dell

PayPal的PaaS之旅

在《云数据中心》专题论坛首先聆听了PayPa平台工程与运营副总裁Nat Rajesh Natarajan的分享,他介绍了PayPal的云化过程。

Cloud Connect大会Day2:开源与云数据中心

图:PayPa平台工程与运营副总裁Nat Rajesh Natarajan

大约半年前,PayPal从VMware的管理平台迁移到OpenStack,倍受OpenStack玩家的关注,本场的听众数量也如所料的爆满。Nat介绍说,PayPal为开发者提供平台,从而能够更容易开发新业务,PayPal一开始就选择开源软件,因为这没有供应商锁定。PayPal一年前开始使用OpenStack,并刚刚开始使用OpenShift。他认为,开源并不是最省钱的方式,但却能带来更多创新,从而面对未来许多不确定性。Nat透露,PayPal目前25%的流量通过OpenStack支持,但仍需要做很多调整。在整个的云化过程中,并非一路顺风:

  • 如何让用户使用IaaS?
  • 脚本还是代码?

Cloud Connect大会Day2:开源与云数据中心

图:OpenShift符合PayPal的全面需求

Nat表示,脚本的大量使用,可能让许多工程师失业。随着不断云化的过程,Nat认为PayPal的工作重心不再是硬件设备,也不再是OS,而是工程师。

当然,云化之后带来的效益是分明显:

  • 应用上线时间速度提升10倍。
  • 1500个虚机只需要一周时间上线,而同样的工作在去年4个工程师用了3个月时间。

关于如何从原有的基础设施平台迁移到OpenStack,Nat并没有详细介绍。他只是表示,原有的基础设备用OpenStack来代替,而新的应用平台直接通过PaaS实现,即OpenShift。Nat如此评价OpenShift:“我们看到许多希望,但未来不清楚还有哪些挑战。”

Nat还分享了在OpenStack获得的一些经验,包括:

  • 与供应商合作,帮助使用OpenStack。
  • 比开源版延迟一个版本,每2个月做一次升级。

开源的价值

Cloud Connect大会Day2:开源与云数据中心

图:Metacloud创始人兼总裁 Steve Curry

我聆听的第二场分享是《开源云》专题论坛Steve Curry带来的,他是Metacloud创始人兼总裁,这是一家在OpenStack生态圈十分有影响力的公司。Steve主要介绍了开源软件和OpenStack带来的价值。

Cloud Connect大会Day2:开源与云数据中心

图:商业软件与开源软件对比

为什么使用开源?Steve认为:你可以创建理想的产品。同时回馈社区,让企业员工更有责任感,社区也愿意听取所有用户的反馈,并对产品作出调整。而商业软件更愿意服务大型客户,并不能很好的为小客户服务。

Cloud Connect大会Day2:开源与云数据中心

图:CloudStack简单易用是他的特点

Steve强调,中国是OpenStack社区中最大的部分,他感谢了国内供应商99cloud和UnitedStack。他同时肯定了CloudStack的优势,CloudStack在中国非常受欢迎,因为搭建初期相对容易。

Steve认为,存储就是一场赌博。Ceph是很好的解决方案,它可以将离散的管理器集中在一起。同时SwiftStack也很好。Steve预测,未来开源存储厂商会通过硬件来部署他们的软件,并成为伟大的公司。

在Hypervisor这一层,Steve将所有平台进行了评级,A级只有KVM,Xen、Hyper-V等平为B级或C级。

国内OpenStack进展

Cloud Connect大会Day2:开源与云数据中心

图:UnitedStack CEO兼创始人 程辉

UnitedStack正在帮助一些互联网公司部署OpenStack,程辉分享了几个正在互联网公司内部发生的趋势:

  • OpenStack正在替换原有的基础设施管理平台以及相关的软件栈;
  • OpenStack正在替换内部研发的虚拟化平台;
  • OpenStack正在成为DevOps的平台,工程师参与研发。

Cloud Connect大会Day2:开源与云数据中心

图:爱奇艺OpenStack平台

程辉分享了爱奇艺采用OpenStack的案例,提供了5000台虚机的能力,支撑其广告系统、推荐搜索、视频开放平台等服务。

Cloud Connect大会Day2:开源与云数据中心

图:上海交通大学的云平台

在国内的高校有不少积极的开发者,包括上海交通大学已经将SDN项目Neutron在生产环境中运行起来,并提供了VDC功能,同时上海交通大学还在使用Cloud Foundry。另外,国防科技大学的工程师正在帮助国内的超级计算机部署OpenStack,并在香港OpenStack Summit上提交了演讲申请。

Cloud Connect大会Day2:开源与云数据中心

图:OpenStack官方项目,其中Trove相当于RDS

Cloud Connect大会Day2:开源与云数据中心

图:AWS与OpenStack项目对比

Cloud Connect大会Day2:开源与云数据中心

图:StackForge是托管在Github上的OpenStack社区项目管理平台,相当于进入孵化项目前的准备

OpenStack的孵化项目集合,Trove相当于AWS的RDS,可以替代DBA的功能。Fuel是Mirantis的自动化部署和管理平台,不少国内的玩家已经在使用。Savanna是将Hadoop与OpenStack结合的项目。

程辉认为,OpenStack正在高速追赶AWS。目前,AWS每个月新增2个左右新功能,OpenStack可以新增10个功能。虽然可用性还有差距,但与AWS的差距不断在缩小。

感受

听众对开源的热情非常高,尤其对Nat和程辉提问不断,会后也被围住交流。大家非常关注PayPal的迁移到OpenStack过程中遇到的问题,以及OpenShift上可能产生的问题,但可能由于商业机密或仍然不够成熟的原因,Nat并没有详细展开。

在《云数据中心》和《开源云》两个专题论坛上,有不少本土的小型集成商的身影。他们对OpenShift、Cloud Foundry等非常感兴趣,希望通过与同行的交流获取一些经验以及选型建议。

Cloud Connect大会Day2:开源与云数据中心

图:OpenStack基金会BD总监Heidi

在现场还与OpenStack基金会BD总监Heidi进行了简短交流,她介绍OpenStack正在快速发展,许多新功能将在香港OpenStack Summit上公布。谈到对中国市场的期待,她表示中国是一个巨大的市场,手机用户已经是美国总人口的两倍。她希望本土的公司能在OpenStack上投入更多的资源。

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