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§28.3.3 查看当前数据库是否有信号量...................................................................427
§28.3.4 删除 Oracle 数据库的信号量 ......................................................................427
§28.3.5 显示操作系统日志信息...............................................................................428
§28.4 UNIX 操作系统性能监控命令...............................................................................428
§28.4.1 top 实用程序...................................................................................................428
§28.4.2 显示服务器内核.............................................................................................428
§28.4.3 系统活动报告 sar...........................................................................................429
§28.4.4 系统活动报告 glance .....................................................................................429
§28.4.5 vmstat 实用程序 ..............................................................................................430
§28.6 解决操作系统性能问题............................................................................................431
§28.6.1 调整服务器内存相关参数.............................................................................431
§28.6.2 调整服务器内存相关参数调整.....................................................................432
§28.6.2 基于 UNIX 系统的执行.................................................................................435
§28.6.3 基于 NT 系统的执行 .....................................................................................435
§28.6.4 基于大型系统的执行.....................................................................................435
第 29 章 网络管理与调整 ..........................................................................................................436
§29.1 网络的一般管理......................................................................................................436
§29.1.1 检查 Net 的配置 .............................................................................................436
§29.1.2 连接到远程服务准备.....................................................................................436
§29.1.3 查看 NET 的配置 ...........................................................................................437
§29.1.4 管理 Oracle 的监听器 ....................................................................................437
§29.2 网络的连接模式......................................................................................................438
§29.2.1 MTS 配置 ........................................................................................................438
§29.2.2 注册检查.........................................................................................................439
§29.2.3 预产生专用服务配置.....................................................................................440
§29.3 检查网络连接故障..................................................................................................442
§29.3.1 使用动态数据字典检测.................................................................................442
§29.3.2 了解网络环境速率.........................................................................................442
§29.4 解决网络故障..........................................................................................................443
§29.4.1 分析网络瓶颈
.................................................................................................443
§29.4.2 分析网络瓶颈信息.........................................................................................443
§29.4.3 调整阵列接口.................................................................................................444
§29.4.4 调整数据单元缓冲区大小.............................................................................444
§29.4.5 加 TCP.NODELAY 参数-- .............................................................................444
§29.4.6 使用连接管理器--..........................................................................................445
第 30 章 配置实例恢复性能.......................................................................................................446
§30.1 理解实例恢复............................................................................................................446
§30.2 检查点和高速缓存恢复............................................................................................446
§30.3 减少检查点频率以优化运行时间............................................................................446
§30.4 配置高速缓存恢复的持续时间................................................................................447
§30.4.1 oracle 如何响应 OLTP 数据访问请求........................................................447
§30.4.2 使用快速检查点限制持续时间...................................................................447
§30.4.3 设置 LOG_CHECKPOINT_TIMEOUT ......................................................448
§30.4.4 设置 LOG_CHECKPOINT_INTERVAL .....................................................448