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

Apache Ambari 2.4 发布，Hadoop 管理监控