cache consistency

cache consistency

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(6) Cache Mode (CM): CM = {[cm.sub.1] and [cm.sub.2], cubic CM}, where [cm.sub.1] stand for memory cache whose cache efficiency is high and is difficult to share and maintain; [cm.sub.2] stand for file cache which is difficult to share synchronized copy; [cm.sub.3] stand for memory file caching, has advantages of the two cache mentioned above, to maintain cache shared and cache consistency.
In our design does not required to produce an Invalidation report, thread agent maintain a log and thread synchronization in client and server, maintain the cache consistency. The following subsection describe the proposed algorithm in detail
To maintain the cache consistency, the server periodically broadcasts an invalidation report (IR) so that each client can invalidate obsolete data items from its cache.
In this paper, we focus on the performance of cache investment when used in conjunction with an invalidation-based cache consistency policy.
In the original N-Chance algorithm the file server is responsible for maintaining cache consistency and block location information.
The memory model tells us when the stores must propagate and the cache consistency protocol must propagate them in time for a subsequent read by a remote processor.
Similarly, a number of caching and cache consistency techniques can be employed to reduce the communication overhead.
An Efficient Fault-Tolerant Mechanism for Distributed File Cache Consistency. Proceedings of SOSP, 202 210.
It provides read and write caching with a weak cache consistency policy.
Intertransaction caching requires the use of a cache consistency maintenance protocol to ensure that all clients see a consistent (serializable) view of the database.
If the machine uses a cache with virtual address tags, cache consistency operations may also be required.
In order to ensure that such caching does not result in the violation of transaction semantics, a transactional cache consistency maintenance algorithm is required.