1、CDH 的 Cloudera Manager 免费与收费版的对比表CDH 特性 免费版 付费版Deployment, Configuration set user and group-based quotas; and track MapReduce, Impala, YARN and HBase usage1.当前及历史磁盘用量展示2.基于用户和组的配额设置3.跟踪 MapReduce、Impala、YARN和 Hbase的用量 Configuration History & Rollbacks 记录配置历史及回滚Maintain a trail of all actions and a c
2、omplete record of configuration changes, including the ability to roll back to previous states保留所有活动及配置变化的痕迹档案，包含回滚到之前状态的能力。 Rolling Updates 滚动升级Stage service updates and restarts to portions of the cluster sequentially to minimize downtime when upgrading or updating your cluster分阶段升级和重启群集各部分，最小化宕机时
3、间。 AD Kerberos Integration AD与 Kerberos的集成Integrate directly with Active Directory to get started easily with Kerberos直接与 AD集成，可以方便的与Kerberos一起工作 Kerberos Wizard Kerberos向导Easily configure Kerberos and trigger automated workflows to secure clusters方便配置 Kerberos，可以自动触发工作流来保证群集安全。 Hadoop SSL Related C
4、onfigs Hadoop SSL相关配置Simplify configs and eliminates need for safety valves 简化配置并减少安全阀的需求 LDAP/SAML Integration LDAP/SAML的集成 Integrate user credentials with Active Directory and enable single sign-on (SSO) capabilities集成了基于 AD的用户验证，并提供了 SSO能力。SNMP Support 对 SNMP的支持Send Hadoop-specific events and ale
5、rts to global monitoring tools as SNMP traps以 SNMP 异常报告的方式向全局监控工具发送 Hadoop特定的事件和告警。（参见文末 注 1） Scheduled Diagnostics cloudera技术诊断的支持Take a snapshot of the cluster state and automatically send it to Cloudera support to assist with optimization and issue resolution优化和解决问题时，收集群集状态快照并自动发送至 cloudera支持。 Automated Backup & Disaster Recovery 自动化备份和灾难恢复Centrally configure and manage snapshotting and replication workflows for HDFS, Hive and HBase集中配置和管理快照，复制HDFS、Hive、HBase 工作流。
