ZFS Storage Appliance 包括一个名为 DTrace Analytics 的综合性能分析工具。 DTrace 分析是一种用于监视重要子系统性能记帐统计信息的框架。应监视部分可用记帐统计信息,以提供有关 Oracle RMAN 备份和恢复工作负荷的有效性和性能的综合数据。
当在 ZFS Storage Appliance 上配置了高级分析时("Configuration"(配置)> "Preferences"(首选项)> "Enable Advanced Analytics"(启用用高级分析)),以下 Analytics(分析)可用:
CPU: Percent utilization broken down by CPU mode(CPU:按 CPU 模式细分的利用率百分比)
Disk: Average number of I/O operations broken down by state of operation(磁盘:按操作状态细分的平均 I/O 操作数)
Disk: I/O bytes per second broken down by type of operation(磁盘:按操作类型细分的每秒 I/O 字节数)
Disk: I/O operations per second broken down by latency(磁盘:按延迟细分的每秒 I/O 操作数)
Disk: Disks with utilization of at least 95 percent broken down by disk(磁盘:按磁盘细分的利用率至少为 95% 的磁盘)
Network: Interface bytes per second broken down by direction(网络:按方向细分的每秒接口字节数)
Network: Interface bytes per second broken down by interface(网络:按接口细分的每秒接口字节数)
Protocol: NFSv3 operations per second broken down by size(协议:按大小细分的每秒 NFSv3 操作数)
Protocol: NFSv3 operations per second broken down by type of operation(协议:按操作类型细分的每秒 NFSv3 操作数)
Protocol: NFSv3 operations per second of type read broken down by latency(协议:按延迟细分的每秒读取类型的 NFSv3 操作数)
Protocol: NFSv3 operations per second of type write broken down by latency(协议:按延迟细分的每秒写入类型的 NFSv3 操作数)
Protocol: NFSv3 operations per second of type read broken down by size(协议:按大小细分的每秒读取类型的 NFSv3 操作数)
Protocol: NFSv3 operations per second of type write broken down by size(协议:按大小细分的每秒写入类型的 NFSv3 操作数)
实施这些记帐统计信息可帮助最终用户在一定程度上了解具体实施的资源消耗的即时和历史情况及服务质量 (quality of service, QoS)。