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（腾云科技ty300.com）。Ambari目前已支持大多数Hadoop组件，包括HDFS、MapReduce、Hive、Pig、 Hbase、Zookeper、Sqoop和Hcatalog等（基础教程qkxue.net）。
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
AMBARI-15210
Ability to filter hosts using a new host filtering control. Refer to Filtering the Hosts List for more information.
Customizing Alert Thresholds
AMBARI-14898
Ability to configure alert thresholds for SCRIPT alerts. Refer to Alert Types for more information.
Setting Alert Check Counts
AMBARI-15686
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
AMBARI-13977
Ability to setup additional cluster operator roles. Refer to Managing Cluster Roles for more information.
Remove Service
AMBARI-14759
Ability to remove a service. Refer to Removing a Service for more information.
Version Definition File Support for Registration and Upgrade
AMBARI-15724
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
AMBARI-15300
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
AMBARI-15561
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
AMBARI-13450
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
AMBARI-15821
Ability to create view instance short URLs. Refer to the Ambari Admin Guide for more information.
Views Framework: View Refresh
AMBARI-15682
Ability to deploy new views without an Ambari Server restart.
Views Framework: Inherit Cluster Permissions
AMBARI-16177
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
AMBARI-16274
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-14827
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
AMBARI-16007
Added support for installing and running Ambari on
SUSE Linux Enterprise Server (SLES) v12 SP1