Title:
METHOD AND DEVICE FOR INDEXING DIRTY DATA IN STORAGE SYSTEM PAGE
Document Type and Number:
WIPO Patent Application WO/2018/149278
Kind Code:
A1
Abstract:
A method and device for indexing dirty data in a storage system page. The method comprises: obtaining the number of storage points in a storage page and dirty data distribution information; creating a bitmap on the basis of the number of the points and the dirty data distribution information; creating an extended segment set on the basis of the dirty data distribution information, and obtaining the number of current extended segments in the extended segment set; obtaining, according to the number of the points, a first storage cost for indexing dirty data using the bitmap in the target storage page; obtaining, according to the number of current extended segments and the segment capacity, a second storage cost for indexing dirty data using an extended segment in the target storage page; and determine, according to the first storage cost and the second storage cost, to index the dirty data in the target storage page by means of the bitmap or the extended segment.
Inventors:
LUO SHENGMEI (CN)
SHU JIWU (CN)
LU YOUYOU (CN)
YANG HONGZHANG (CN)
SHU JIWU (CN)
LU YOUYOU (CN)
YANG HONGZHANG (CN)
Application Number:
PCT/CN2018/073967
Publication Date:
August 23, 2018
Filing Date:
January 24, 2018
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
G06F17/30
Foreign References:
| CN103530322A | 2014-01-22 | |||
| CN102420831A | 2012-04-18 | |||
| CN103645995A | 2014-03-19 | |||
| CN106126443A | 2016-11-16 |
Other References:
See also references of EP 3584720A4
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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