Cassandra 数据库 性能指标 JMX 监控接口语法

Cassandra 数据库阿木 发布于 16 天前 7 次阅读

摘要：

本文将围绕 Cassandra 数据库的性能指标 JMX 监控接口进行深入探讨，包括 JMX 的基本概念、Cassandra JMX 接口的语法结构，以及如何通过代码实现对 Cassandra 数据库性能指标的监控。文章将结合实际代码示例，帮助读者更好地理解和应用 Cassandra 的 JMX 监控功能。

一、

Cassandra 是一款高性能、可伸缩的分布式 NoSQL 数据库，广泛应用于大数据场景。为了确保 Cassandra 数据库的稳定运行，对其进行性能监控至关重要。JMX（Java Management Extensions）是 Java 平台提供的一种用于监控和管理应用程序的框架。本文将详细介绍 Cassandra 数据库性能指标 JMX 监控接口的语法，并通过代码实现对其进行监控。

二、JMX 基本概念

1. JMX 概述

JMX 是 Java 平台提供的一种用于监控和管理应用程序的框架，它允许应用程序被其他程序监控和管理。JMX 包括以下主要组件：

（1）MBean（Managed Bean）：被管理的对象，通常是一个 Java 对象。

（2）MBean Server：JMX 的核心组件，负责管理 MBean 的注册、查询、操作等。

（3）JMX Agent：负责将应用程序注册到 MBean Server，并提供 JMX 接口。

2. JMX 通信协议

JMX 支持多种通信协议，包括 RMI、JMXMP、SNMP 等。本文主要介绍 RMI 和 JMXMP 两种协议。

（1）RMI：Java 远程方法调用，通过 RMI 协议，JMX Agent 可以远程访问 MBean。

（2）JMXMP：基于 HTTP/HTTPS 的通信协议，适用于跨网络环境。

三、Cassandra JMX 接口语法

1. JMX ObjectNames

Cassandra JMX 接口使用 ObjectNames 来标识 MBean。ObjectNames 由 domain、type 和 key 组成，格式如下：

ObjectNames.valueOf("domain:type=key");

其中：

- domain：表示 MBean 的域，通常为 Cassandra 的名称，如 "org.apache.cassandra.db"。

- type：表示 MBean 的类型，通常为 MBean 的名称，如 "Table"。

- key：表示 MBean 的键，通常为 MBean 的标识符，如 "KeyspaceName"。

2. JMX Operations

Cassandra JMX 接口提供了一系列操作，用于获取和设置 MBean 的属性。以下是一些常见的操作：

- getAttribute：获取 MBean 的属性值。

- setAttribute：设置 MBean 的属性值。

- invoke：调用 MBean 的方法。

3. JMX Attributes

Cassandra JMX 接口提供了一系列属性，用于描述 MBean 的状态和性能指标。以下是一些常见的属性：

- "com.datastax.bdp.cassandra.db.Table:KeyspaceName=KeyspaceName,Name=Name,Type=Type,ReplicationStrategy=ReplicationStrategy,Partitioner=Partitioner,PartitionKeys=PartitionKeys,ClusteringKeys=ClusteringKeys,ReadRepairChance=ReadRepairChance,ReadRepairParallelism=ReadRepairParallelism,WriteRepairChance=WriteRepairChance,WriteRepairParallelism=WriteRepairParallelism,CompactionStrategy=CompactionStrategy,CompactionThroughputMB=CompactionThroughputMB,CompactionThreshold=CompactionThreshold,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=CompactionMinThreshold,CompactionMaxSSTableSizeInMB=CompactionMaxSSTableSizeInMB,CompactionMinSSTableSizeInMB=CompactionMinSSTableSizeInMB,CompactionMaxThreshold=CompactionMaxThreshold,CompactionMinThreshold=