Apache Ambari 2.4 发布了，Apache Ambari是一种基于Web的工具，支持Apache Hadoop集群的供应、管理和监控。Ambari目前已支持大多数Hadoop组件，包括HDFS、MapReduce、Hive、Pig、 Hbase、Zookeper、Sqoop和Hcatalog等。
Apache Ambari 支持HDFS、MapReduce、Hive、Pig、Hbase、Zookeper、Sqoop和Hcatalog等的集中管理。也是5个顶级hadoop管理工具之一。
该版本一些新特性：
| Feature | Description |
|---|---|
Improved Host Filtering Control | Ability to filter hosts using a new host filtering control. Refer to Filtering the Hosts List for more information. |
Customizing Alert Thresholds | Ability to configure alert thresholds for SCRIPT alerts. Refer to Alert Types for more information. |
Setting Alert Check Counts | Ability to set number of alert checks to perform before dispatching a notification. Refer to Alert Check Counts for more information. |
Role-based Access Control | Ability to setup additional cluster operator roles. Refer to Managing Cluster Roles for more information. |
Remove Service | Ability to remove a service. Refer to Removing a Service for more information. |
Version Definition File Support for Registration and Upgrade | Ability to specify an HDP version (for install/upgrade) via a Version Definition File. Refer to Managing Versions for more information. |
Customizable Ambari Log and PID Directories | Ability to customize the Ambari Server and Agent Log and PID directories. Refer to Customizing Ambari Log + PID Directories for more information. |
Automated Ambari Server Kerberos Setup | If you enable Kerberos using the Automated Setup option, Ambari Server will also get the requisite principal and keytab automatically. Refer to the Ambari Security Guide for more information. |
Customizable Agent Registration SSH Port | When adding hosts to the cluster, and choosing Agent registration via SSH, you can now customize the SSH port to use. |
Views Framework: View URLs | Ability to create view instance short URLs. Refer to the Ambari Admin Guide for more information. |
Views Framework: View Refresh | Ability to deploy new views without an Ambari Server restart. |
Views Framework: Inherit Cluster Permissions | If you configure a view instance to use a Local Cluster, you can optionally choose to inherit view USE permission based on the cluster roles. Refer to the Ambari Admin Guide for more information. |
Views Framework: Remote Cluster Configuration | Ability to configure a view instance based on a Remote Cluster (that is Ambari-managed). Refer to the Ambari Admin Guide for more information. |
Log Search | Ambari includes a new “Log Search” service that can be installed into your cluster. Refer to Ambari Log Search for more information. This feature is Technical Preview. |
SLES 12 SP1 | Added support for installing and running Ambari on SUSE Linux Enterprise Server (SLES) v12 SP1 |
下载地址：https://cwiki.apache.org/confluence/display/AMBARI/Installation+Guide+for+Ambari+2.4.0