CN104679746A - 去重复数据的恢复方法及装置 - Google Patents

去重复数据的恢复方法及装置 Download PDF

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Publication number
CN104679746A
CN104679746A CN201310612870.XA CN201310612870A CN104679746A CN 104679746 A CN104679746 A CN 104679746A CN 201310612870 A CN201310612870 A CN 201310612870A CN 104679746 A CN104679746 A CN 104679746A
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CN
China
Prior art keywords
data block
storage medium
access
threshold
file
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310612870.XA
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English (en)
Chinese (zh)
Inventor
崔飞
程佳佳
程宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing ZTE New Software Co Ltd
Original Assignee
Nanjing ZTE New Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing ZTE New Software Co Ltd filed Critical Nanjing ZTE New Software Co Ltd
Priority to CN201310612870.XA priority Critical patent/CN104679746A/zh
Priority to RU2016124319A priority patent/RU2665272C1/ru
Priority to PCT/CN2014/075850 priority patent/WO2015078136A1/zh
Publication of CN104679746A publication Critical patent/CN104679746A/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/17—Details of further file system functions
    • G06F16/174—Redundancy elimination performed by the file system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/13—File access structures, e.g. distributed indices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/17—Details of further file system functions
    • G06F16/176—Support for shared access to files; File sharing support
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Computing Systems (AREA)
CN201310612870.XA 2013-11-26 2013-11-26 去重复数据的恢复方法及装置 Pending CN104679746A (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201310612870.XA CN104679746A (zh) 2013-11-26 2013-11-26 去重复数据的恢复方法及装置
RU2016124319A RU2665272C1 (ru) 2013-11-26 2014-04-21 Способ и устройство для восстановления дедуплицированных данных
PCT/CN2014/075850 WO2015078136A1 (zh) 2013-11-26 2014-04-21 去重复数据的恢复方法及装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310612870.XA CN104679746A (zh) 2013-11-26 2013-11-26 去重复数据的恢复方法及装置

Publications (1)

Publication Number Publication Date
CN104679746A true CN104679746A (zh) 2015-06-03

Family

ID=53198283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310612870.XA Pending CN104679746A (zh) 2013-11-26 2013-11-26 去重复数据的恢复方法及装置

Country Status (3)

Country Link
CN (1) CN104679746A (ru)
RU (1) RU2665272C1 (ru)
WO (1) WO2015078136A1 (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9672248B2 (en) 2014-10-08 2017-06-06 International Business Machines Corporation Embracing and exploiting data skew during a join or groupby
US10650011B2 (en) * 2015-03-20 2020-05-12 International Business Machines Corporation Efficient performance of insert and point query operations in a column store
US9922064B2 (en) 2015-03-20 2018-03-20 International Business Machines Corporation Parallel build of non-partitioned join hash tables and non-enforced N:1 join hash tables
US10108653B2 (en) 2015-03-27 2018-10-23 International Business Machines Corporation Concurrent reads and inserts into a data structure without latching or waiting by readers
US10831736B2 (en) 2015-03-27 2020-11-10 International Business Machines Corporation Fast multi-tier indexing supporting dynamic update

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN101877725A (zh) * 2010-06-25 2010-11-03 中兴通讯股份有限公司 分布式存储系统中的副本管理方法及装置
CN103034592A (zh) * 2012-12-05 2013-04-10 华为技术有限公司 数据处理方法和装置
US8458193B1 (en) * 2012-01-31 2013-06-04 Google Inc. System and method for determining active topics

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Publication number Priority date Publication date Assignee Title
RU2315349C1 (ru) * 2006-07-12 2008-01-20 Михаил ТОПР Способ репликации информации в распределенных базах данных и система для его осуществления
US8489832B1 (en) * 2009-12-10 2013-07-16 Guidance-Tableau, Llc System and method for duplicating electronically stored data
CN102385554B (zh) * 2011-10-28 2014-01-15 华中科技大学 重复数据删除系统的优化方法
CN102375893A (zh) * 2011-11-17 2012-03-14 浪潮(北京)电子信息产业有限公司 一种分布式文件系统及其建立副本的方法
US8903764B2 (en) * 2012-04-25 2014-12-02 International Business Machines Corporation Enhanced reliability in deduplication technology over storage clouds
CN103220367A (zh) * 2013-05-13 2013-07-24 深圳市中博科创信息技术有限公司 数据复制方法及数据存储系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101877725A (zh) * 2010-06-25 2010-11-03 中兴通讯股份有限公司 分布式存储系统中的副本管理方法及装置
US8458193B1 (en) * 2012-01-31 2013-06-04 Google Inc. System and method for determining active topics
CN103034592A (zh) * 2012-12-05 2013-04-10 华为技术有限公司 数据处理方法和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王刚: "《Linux典藏大系 Linux命令、编辑器与Shell编程》", 30 June 2012, 清华大学出版社 *

Also Published As

Publication number Publication date
WO2015078136A1 (zh) 2015-06-04
RU2016124319A (ru) 2018-01-09
RU2665272C1 (ru) 2018-08-28

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Application publication date: 20150603