阿里巴巴云原生镜像分发系统dragonfly 的相关内容

文章 2018-11-20 来自：开发者社区

深度解读阿里巴巴云原生镜像分发系统 Dragonfly

Dragonfly 的由来随着阿里集团业务爆炸式增长，2015 年时发布系统日均发布量突破两万，很多应用的机器规模开始破万，发布失败率开始增高，而根本原因则是发布过程需要大量的文件拉取，文件服务器扛不住大量的请求，当然第一时间会想到服务器扩容，可是扩容后又发现后端存储成为瓶颈且扩容成本也非常巨大（按照我们的计算，为了满足业务需求，不阻碍业务的发展，后续至少需要 2000 台高配物理机且上不封顶....

文章 2018-11-16 来自：开发者社区

深度解读阿里巴巴云原生镜像分发系统 Dragonfly

Dragonfly 是一个由阿里巴巴开源的云原生镜像分发系统，主要解决以 Kubernetes 为核心的分布式应用编排系统的镜像分发难题。随着企业数字化大潮的席卷，行业应用纷纷朝微服务架构演进，并通过云化平台优化业务管理。Dragonfly 源于阿里巴巴，从实际落地场景出发，前瞻性地解决了云原生镜像分发的__效率、流控与安全__三大难题。 Dragonfly 目前承载了阿里全集团 90%以上的文....

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