Home Database Mysql Tutorial Oracle ORION:存储系统性能测试工具

Oracle ORION:存储系统性能测试工具

Jun 07, 2016 pm 05:28 PM

ORION(Oracle I/O Calibration Tool)是Oracle提供的、用于测试存储系统性能瓶颈,由于 ORION 是一个独立工具,用户不需要创建和

㈠ 定义
 
  ORION(Oracle I/O Calibration Tool)是Oracle提供的、用于测试存储系统性能瓶颈
  由于 ORION 是一个独立工具,用户不需要创建和运行 Oracle 数据库
  ORION的使用非常简单,从官网上down下来的包直接解压就可以使用
  下载地址
 
  解压:
  # gunzip orion_linux_x86.gz
 
 
㈡ 优点
 
  ● 不需要运行Load Runner以及配置大量的虚拟用户
  ● 不需要运行Oracle数据库,以及准备大量的测试数据
  ● 测试结果更具有代表性,如随机IO测试中,该软件可以让存储的命中率接近为0,更仿真出了磁盘的真实的IOPS
      而load runner很难做到这些,最终的磁盘IOPS需要换算得到
  ● 可以根据需要定制一定比例的写操作(默认没有写操作),但是需要注意,如果磁盘上有数据,需要小心数据被覆盖掉
 
 
㈢ 输出文件
 
  ORION 执行结束会输出5个文件:
  ● _summary.txt - Summary of the input parameters along with min. small latency, max large MBPS and/or max.small IOPS.
  ● _mbps.csv - Performanceresults of large IOs in MBPS(吞吐量)
  ● _iops.csv - Performanceresults of small IOs in IOPS(每秒IO次数)
  ● _lat.csv - Latency of smallIOs(响应时间)
  ● _tradeoff.csv - Shows largeMBPS / small IOPS combinations that can be achieved at certain small latencies
  ● _trace.txt - Extended,unprocessed output(跟踪信息,最详细的数据)
 
 
㈣ 三个强制参数
 
  运行ORAION必须包含run,testname,num_disks 三个参数
  ● run 
      Type of workload to run(simple, normal, advanced)
      simple - tests random 8K small IOs at various loads,then random 1M largeIOs at various loads.
      normal - tests combinations of random8K small IOs and random 1M large IOs
      advanced - run theworkload specified by the user using optional parameters
  ● testname                Name of the test run
  ● num_disks            Number of disks (physicalspindles)
 
 
㈤ 一次简单的测试
 
  ORION的执行需要一个参数文件,,用于指定测试的磁盘
  # cat /dev/sda1 > rocky
  # cat /dev/sda2 > rocky
  # ./orion_linux_x86 -run simple -testname rocky -num_disks 1
  测试的结果会生成以上所说的5个文件

linux

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