B. Lyon and R. Sandberg, "Breaking through the NFS Performance Barrier," technical report, Legato Systems, Inc., 1990. Home/Search Document Not in Database Summary Related Articles Check |
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The Design and Verification of the Rio File Cache - Ng, Chen (2001) (1 citation) (Correct)
....response. 7.4 Low Latency Writes The main techniques for doing low latency writes to disk is by staging the writes to a faster nonvolatile device like NVRAM or by minimizing disk head movements during disk writes. The former technique is used extensively in commercial products like Prestoserve [47] and NetApp Filer [29] But, it is expensive as it uses SRAM or dual batterybacked DRAM. It is also slower than main memory as the NVRAM typically resides on an I O bus. The latter approach is traditionally done by writing data to sequential locations in disk. Write ahead logging systems [25] ....
B. Lyon and R. Sandberg, "Breaking through the NFS Performance Barrier," technical report, Legato Systems, Inc., 1990.
Unix I/O Performance in Workstations and Mainframes - M.Chen, A.Patterson (1994) (Correct)
....the accesses are writes. Put another way, for all but the most heavily read oriented workloads, the SPARCStation client operates at disk speed while the HP client runs at main memory speed. Adding non volatile RAM such as Legato System s Prestoserve board, would increase NFS performance somewhat [Lyon90]. However, writing through to NVRAM on a server is still limited by network speeds. In this experiment, Ethernet would limit write performance of NFS to 1 MB s. 5 A New I O benchmark: Self scaling and Predicted Performance This section describes the I O benchmark used to collect the data seen in ....
Bob Lyon and Russel Sandberg. Breaking Through the NFS Performance Barrier. Technical report, Legato Systems, Inc., 1990.
File System Design for an NFS File Server Appliance - Hitz, Lau, Malcolm (1995) (72 citations) (Correct)
....file system from getting too far out of date. Logging NFS requests to NVRAM has several advantages over the more common technique of using NVRAM to cache writes at the disk driver layer. Lyon and Sandberg describe the NVRAM write cache technique, which Legato s Prestoserve TM NFS accelerator uses [Lyon89]. Processing an NFS request and caching the resulting disk writes generally takes much more NVRAM than simply logging the information required to replay the request. For instance, to move a file from one directory to another, the file system must update the contents and inodes of both the source ....
Bob Lyon and Russel Sandberg. Breaking Through the NFS Performance Barrier. SunTech Journal 2(4): 21-27, Autumn 1989.
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