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<p>风起亚洲公共云主要有以下特点:</p><ul><li><strong>快速</strong>:几乎接近本地机器的性能,ARC(Adaptive Replacement Cache)缓存技术,CPU爆发技术(调用闲置CPU满足突发业务需求,最高可瞬间增加至原有CPU的4倍资源),裸金属化(bare metal)的性能,无论在磁盘IO,CPU还是内存上,基于SmartOS的主机都能提高相比现有任何云主机更快的性能。</li><li><strong>可扩展</strong>:精益的虚拟化技术可以提供快速扩展和配置机器,是目前唯一无需重启便能做到scale up(CPU/RAM/存储)的公共云平台。</li><li><strong>可信任</strong>:ZFS文件系统可以很好的保证数据完整性,避免数据损坏和丢失。 ZFS 中有类似于 RAID 的一种完整性冗余机制——写时备份(COW,copy-on-write)解决了RAID-5的“write hole”问题</li><li><strong>安全</strong>:虚拟化技术使用Zone域保证安全,任何其他人都没有权力读写/进入专属于您的存储和数据库。</li><li><strong>可靠</strong>:轻松回滚至历史数据镜像,保证业务可靠运行。</li><li><strong>弹性</strong>:Crossbow网络虚拟化组件,以及公平的共享机制,对CPU和磁盘IO进行节流控制,以确保所有业务都能在风起亚洲公共云上达到最好的性能。</li><li><strong>可视化</strong>:DTrace(可选功能模块)可以让用户以可视化的形式实时看到软件栈中发生的一切,从而可快速定位问题所在,或更好的优化应用程序。</li></ul><p><img class="confluence-embedded-image image-center" width="600" src="/download/attachments/3245481/test.png?version=1&modificationDate=1714668001826&api=v2" data-image-src="/download/attachments/3245481/test.png?version=1&modificationDate=1714668001826&api=v2" data-linked-resource-id="3219235" data-linked-resource-type="attachment" data-linked-resource-default-alias="test.png" data-base-url="http://wiki.fengqi.asia" data-linked-resource-container-id="3245481" title="null > test.png" data-location="null > test.png"></p><p>我们从以下评测也可以看出风起亚洲公共云的的独特之处与卓越性能:</p><ul><li>风起亚洲公共云官方网站上给出了国内外主流云平台的测试数据,链接为:<a href="http://www.fengqi.asia/cn/benchmark.html">http://www.fengqi.asia/cn/benchmark.html</a></li><li>Joyent 的官网上亦给出了Joyent与Amazon(亚马逊)EC2的对比,链接为:<a href="http://joyent.com/products/joyent-cloud/aws-comparison">http://joyent.com/products/joyent-cloud/aws-comparison</a></li><li>美国第三方机构Pazugo Group对SmartMachine和Amazon(亚马逊)EC2在CPU及磁盘IO方面的对比,链接为:<a href="http://cloud.libero.it/en/documents/JoyentBenchMarkResultsSummary.pdf">http://cloud.libero.it/en/documents/JoyentBenchMarkResultsSummary.pdf</a></li></ul>
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