Throughput Analysis and Improvement of PVFS
Hu Yu · 2003
With the rapid developments of cluster systems, the problem of I/O bottleneck becomes more and more severe. A good file system is crucial to the whole systems. Throughput, which means the jobs done per unit tune,is an important index of the systems' performance. In this paper,through testing,the authors find that the throughput of PVFS(Parallel Virtual File Systems), which now is popular in the field of parallel processing, is abnormally low. This paper discusses the cause of this phenomenon and improves the throughput of PVFS drastically by eliminating this bottleneck. The performance before and after this improvement has also been compared.