IOR and mdtest - measure parallel file system I/O performance at both the POSIX and MPI-IO level.

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This parallel program performs writes and reads to/from files under several sets of conditions and reports the resulting throughput rates. 

IOR 设计用于测量POSIX和MPI-IO级别的并行文件系统的I/O的性能;mdtest 被设计用于测试文件系统的元数据性能并生成测试报告;

官方网站:

https://www.nersc.gov/users/computational-systems/cori/nersc-8-procurement/trinity-nersc-8-rfp/nersc-8-trinity-benchmarks/ior/  

https://www.nersc.gov/users/computational-systems/cori/nersc-8-procurement/trinity-nersc-8-rfp/nersc-8-trinity-benchmarks/mdtest/ 

https://github.com/hpc/ior 

https://ior.readthedocs.io/en/latest/ 官方文档

mdtest 工具已经变成了ior 工具的一部分了。我们可以安装ior套件,并使用 其中mdtest命令来进行测试文件系统元数据的性能;该工具由美国洛斯阿拉莫斯国家实验室(Los Alamos National Laboratory)开发并开源,具有较高的权威性;

安装说明:

 

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