The method, computer program, and system which manage data - INTERNATIONAL BUSINESS MACHINES CORPORATION

Title:

The method, computer program, and system which manage data

Document Type and Number:

Japanese Patent JP6113199

Kind Code:

B2

Abstract:

Provided are a computer program product, system, and method for managing data in a first cache and a second cache. A reference count is maintained in the second cache for the page when the page is stored in the second cache. It is determined that the page is to be promoted from the second cache to the first cache. In response to determining that the reference count is greater than zero, the page is added to a Least Recently Used (LRU) end of an LRU list in the first cache. In response to determining that the reference count is less than or equal to zero, the page is added to a Most Recently Used (LRU) end of the LRU list in the first cache.

More Like This:

WO/2008/155812	PROCESSOR AND PREFETCH SUPPORT PROGRAM
WO/2012/161659	A MEMORY STORAGE DEVICE, AND A RELATED ZONE-BASED BLOCK MANAGEMENT AND MAPPING METHOD
JPS6243745	INFORMATION PROCESSOR

Inventors:

Gupta, Rokesh, Mohan
Elev Seriu, Evangelos, Stavros
Colt Cidas, Ioannis
Fu, Xiao-Yu
Presser, roman
Hearth, Robert
Brinnik, Stephen
Benas, Michael, Thomas

Application Number:

JP2014560468A

Publication Date:

April 12, 2017

Filing Date:

February 18, 2013

Export Citation:

Click for automatic bibliography generation Help