Page cache management for a shared file

Details Page cache management for a shared file Page cache management for a shared file

2004-10-08

2010-11-09

Jalil, Neveen Abel (Department: 2165)

Data processing: database and file management or data structures

File management

File systems

C711S163000

Reexamination Certificate

active

07831642

ABSTRACT:
A method, system, computer system, and computer-readable medium to efficiently coordinate caching operations between nodes operating on the same file while allowing different regions of the file to be written concurrently. More than one program can concurrently read and write to the same file. Pages of data from the file are proactively and selectively cached and flushed on different nodes. In one embodiment, range locks are used to effectively flush and invalidate only those pages that are accessed on another node.

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“The Design and Implementation of a Locking Mechanism for a Distributed Computing Environment”, Sep. 23, 2004.

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