Performance of PFs, the Compaq Sierra Product's Parallel File System.

Uselton, A. C.

Technical Information Center Oak Ridge Tennessee

关键词: Clustering;    Data systems (Computers);    Mass storage;    Parallel processing (Computers);    Input/Output routines;   

RP-ID  :  DE200415006183

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

In FY 2000 Livermore Computing took delivery of serial number one of the Compaq Sierra high performance cluster product. The Sierra product employs a derivative of the Tru64 UNIX operating system called Tru-Cluster, which provides a cluster-wide parallel file system called PFS. This report documents the observed performance of PFS along with the performance of some of the underlying file system components. Testing reveals that the underlying AdvFS file system does a good job of read-ahead and write-behind I/O performance enhancement at the expense of a high CPU utilization. On the other hand, PFS performs at only a fraction of the speed that the underlying I/O and communication hardware allow.