The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 02, 2014

Filed:

Nov. 08, 2011
Applicant:

Yukio Taniyama, Kawasaki, JP;

Inventor:

Yukio Taniyama, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 13/00 (2006.01); G06F 13/28 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0608 (2013.01); G06F 3/0686 (2013.01); G06F 3/0643 (2013.01); G06F 3/0664 (2013.01); G06F 2212/401 (2013.01); G06F 3/064 (2013.01);
Abstract

A data processing apparatus includes a calculating unit configured to calculate a compression ratio when a block selected from among the plurality of blocks is compressed; a determining unit configured to determine whether a block is to be compressed by comparing the calculated compression ratio with a threshold; a recording unit configured to record the block on the storage device in a compressed or uncompressed state on a basis of a result of the determination; a management information creating unit configured to create a management information in association with data identification information for identifying the data, state information indicating a compressed or uncompressed state is recorded to the management information in association with each block, when the each block is recorded on the storage device; and a storage processing unit configured to store the management information created by the management information creating unit on a memory.


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