Some Consequences of Excess Load on the Echo Replicated File System
- Andy Hisgen ,
- Andrew Birrell ,
- Charles Jerian ,
- Timothy Mann ,
- Garret Swart
Proceedings of the IEEE Workshop on the Management of Replicated Data |
Understanding the workload is crucial for the success of a replicated file system. The system must continue to provide service in the presence of excess load, otherwise, its availability will be compromised. This paper presents some shortcomings of the Echo replicated file system in handling excess load. We discuss the consequences of excess load on our primary-secondary design, on our communication software, on our election algorithm, on memory usage in our file servers, and on our distributed client caching algorithm, and we speculate on possible solutions.