===== hbase ===== ==== HMaster ==== * HMaster是一个轻量级进程,不需要太多资源 * 要做好主备 ==== RegionServer ==== * RegionServer总是和Datanode部署在一起,他们为吞吐量提供服务 * RegionServer对内存需求较高,且对延迟敏感(垃圾回收是他的克星) ===== zookeeper ===== * 轻量级进程,但是对延迟非常敏感,建议单独配置一个硬盘 ===== hdfs ===== ==== namenode ==== * 对内存要求很高 ==== datanode ==== * 资源需求较均衡 ==== journalnode ==== * 资源消耗非常少 ==== zkfc ==== * 资源消耗非常少 ===== YARN ===== ==== resourcemanager ==== * 对内存要求很高 ==== nodemanager ==== * 资源需求较均衡