The Performance of PFS, the Compaq Sierra Product's Parallel File System

Uselton, A C

Lawrence Livermore National Laboratory

关键词: Communications;    Velocity;    Testing;    Performance;    99 General And Miscellaneous//Mathematics, Computing, And Information Science;   

DOI  :  10.2172/15006183
RP-ID  :  UCRL-ID-144018
RP-ID  :  W-7405-ENG-48
RP-ID  :  15006183

美国|英语

来源: UNT Digital 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.