Collaborative cache consistency strategy based on object-based storage file system

To speed up file access speed,object-based storage file system introduces the client caching mechanism,which also brought the problem of the cached data consistency.When multi-clients try to access to shared files,given the delay,heavy load of network and server,too much network consumption and other issues of cache update strategy,object-based storage Lustre file system achieved an improved collaborative cache coherency strategy.The experimental results show that improved cache update strategy not only can guarantee the consistency of cached data but also reduce interactions between client and server,and the access latency and the system I/O performance is improved.