1.高可用简介 Hadoop 高可用 (High Availability) 分为 HDFS 高可用和 YARN 高可用，两者的实现基本类似，但HDFS NameNode 对数据存储及其一致性的要求比 YARN ResourceManger 高得多，所以它的实现也更加复杂。HDFS的高可用实质是主备共享存储系统，不管是zookeeper还是QJM都是这个原理，一下是基于zookeeper的高可.....

问答 2023-10-18 来自：开发者社区

在阿里云容器服务ACK自建高可用集群，master节点到clb网络不通，这个问题怎么解决？

在阿里云容器服务ACK自建高可用集群，用clb做api-server的controlPlaneEndpoint。但是master节点到clb网络不通，这个问题怎么解决。上自建高可用集群，用clb做api-server的controlPlaneEndpoint。但是master节点到clb网络不通，怎么办？

阿里云文档 2023-09-03

如何组建高可用网络接入阿里云_智能接入网关(SAG)

如果您的业务对可用性要求高，在设计网络拓扑时，可考虑通过两台智能接入网关设备组成高可用网络接入阿里云。

文章 2023-07-18 来自：开发者社区

RDMA网络下重思数据库高可用

RDMA网络下重思数据库高可用摘要高可用数据库系统常常使用用数据复制来达到容错的目的。Active-passive和active-active复制算法都是严重依赖于时延，网络常常成为性能的主要瓶颈。从某种意义上说，这些技术旨在最小化副本之间的网络通信。然而，下一代网络的出现，以期高吞吐低延迟的特性，使得需要重视这些假设。首先提出，现代RDMA网络使得瓶颈转向CPU，因此现代网络优化的复制技术不再....

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