Hybrid Caching for Scalable Object Systems Think Globally, Act Locally
نویسندگان
چکیده
Object-based client caching allows clients to keep more frequently accessed objects while discarding colder objects that reside on the same page. However, when these objects are modi ed and sent to the server, it may need to read the corresponding page from disk to install the update. These installation reads are not required with a page-based cache because whole pages are sent to the server. We describe a hybrid system that permits clients to cache objects and pages. The system uses a simple cache design that combines the best of object caching and page caching. The client increases its cache hit ratio as in object-based caching. The client avoids some installation reads by sending pages to the server when possible. Using simulated workloads we explore the performance of our design and show that it can o er a signi cant performance improvement over both pure object caching and pure page caching on a range of workloads.
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تاریخ انتشار 1994