JP7296197B2 - 損失データ圧縮方法 - Google Patents
損失データ圧縮方法 Download PDFInfo
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- JP7296197B2 JP7296197B2 JP2018111018A JP2018111018A JP7296197B2 JP 7296197 B2 JP7296197 B2 JP 7296197B2 JP 2018111018 A JP2018111018 A JP 2018111018A JP 2018111018 A JP2018111018 A JP 2018111018A JP 7296197 B2 JP7296197 B2 JP 7296197B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0608—Saving storage space on storage systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/60—General implementation details not specific to a particular type of compression
- H03M7/6064—Selection of Compressor
- H03M7/6082—Selection strategies
- H03M7/6088—Selection strategies according to the data type
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0482—Interaction with lists of selectable items, e.g. menus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/064—Management of blocks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0659—Command handling arrangements, e.g. command buffers, queues, command scheduling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/60—General implementation details not specific to a particular type of compression
- H03M7/6064—Selection of Compressor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Description
2 バリュー
3 データ圧縮予測器
4 客体拡張子辞典
5 客体署名辞典
6 エントロピー推定アルゴリズムのライブラリー
7 圧縮器
11 受信スイッチ
12 出口スイッチ
13 出力
14 QoSの優先データファイル
15 装置性能のプロファイル
16 圧縮アルゴリズム性能のチャート
17 データ圧縮アルゴリズムのライブラリー
110 従来の損失データ圧縮方式
120 本発明の損失データ圧縮方式
112、122 ホスト
113、123 データ圧縮
114、124 圧縮されたデータファイル
116、126 ドライブ
118、128 ローデータファイル
125 格納
Claims (2)
- ストレージ装置による損失データの圧縮方法であって、
ストレージ装置でローデータ(raw data)を受信するステップと、
圧縮する要請を受信するステップと、
損失データ圧縮方式にそれぞれ対応する多様なデータ圧縮アルゴリズムを含むデータ圧縮アルゴルズムのライブラリーにアクセスするステップと、
前記ローデータに対応するキー-バリューのペアのキーに関連するメタデータに基づいて前記データ圧縮アルゴリズムの中の1つを選択するステップと、
前記選択されたデータ圧縮アルゴリズムを実行するステップと、を有し、
前記データ圧縮アルゴリズムの中の1つを選択するステップは、
客体署名又は客体拡張子に対応する前記ローデータに関連付けられたメタデータを読み出すステップと、
前記ストレージ装置上の客体署名辞典又は前記ストレージ装置上の客体拡張子辞典にアクセスして、前記客体署名又は前記客体拡張子に基づいて前記ローデータのデータタイプをそれぞれ判別するステップと、
前記判別されたデータタイプに基づいて前記データ圧縮アルゴリズムを選択するステップと、を含み、
前記キーは、前記受信されたデータがローデータであることを示し、前記ローデータの圧縮がどのように遂行されるかに関する情報を含み、
前記キーに関連するメタデータは、前記ローデータが修正/圧縮されなければならないか、またデータ圧縮がどのように遂行されなければならないかを判別するために使用され、
ここで、前記ストレージ装置は、
前記受信されたローデータが前記ストレージ装置により圧縮され、圧縮されたデータとして前記ストレージ装置に格納されるように、前記選択されたデータ圧縮アルゴリズムがオンラインで実行される第1モード、又は
前記ローデータが一旦前記ストレージ装置に格納され、前記選択されたデータ圧縮アルゴリズムに従い前記ストレージ装置により後で圧縮され、圧縮されたデータとして前記ストレージ装置に再格納されるように、前記選択されたデータ圧縮アルゴリズムがオフラインで実行される第2モード、に従って前記データ圧縮アルゴリズムを遂行するように構成され、
前記ストレージ装置は、オンライン又はオフラインで動作するかの決定を、圧縮のために必要な可用時間及び/又はシステムリソースの推定された量に対応する前記ストレージ装置の予測に依存することを特徴とする損失データ圧縮方法。 - 前記メタデータを提供するために前記ローデータを圧縮するように使用者要請を促すステップを更に含むことを特徴とする請求項1に記載の損失データ圧縮方法。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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US201762522423P | 2017-06-20 | 2017-06-20 | |
US62/522423 | 2017-06-20 | ||
US201762542008P | 2017-08-07 | 2017-08-07 | |
US62/542008 | 2017-08-07 | ||
US15/728,261 US10715177B2 (en) | 2017-06-20 | 2017-10-09 | Lossy compression drive |
US15/728261 | 2017-10-09 |
Publications (3)
Publication Number | Publication Date |
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JP2019009774A JP2019009774A (ja) | 2019-01-17 |
JP2019009774A5 JP2019009774A5 (ja) | 2021-07-26 |
JP7296197B2 true JP7296197B2 (ja) | 2023-06-22 |
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JP2018111018A Active JP7296197B2 (ja) | 2017-06-20 | 2018-06-11 | 損失データ圧縮方法 |
Country Status (5)
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US (1) | US10715177B2 (ja) |
JP (1) | JP7296197B2 (ja) |
KR (1) | KR102435046B1 (ja) |
CN (1) | CN109101522A (ja) |
TW (1) | TWI729284B (ja) |
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TWI729284B (zh) | 2021-06-01 |
JP2019009774A (ja) | 2019-01-17 |
TW201905689A (zh) | 2019-02-01 |
US10715177B2 (en) | 2020-07-14 |
KR102435046B1 (ko) | 2022-08-22 |
KR20180138127A (ko) | 2018-12-28 |
US20180367161A1 (en) | 2018-12-20 |
CN109101522A (zh) | 2018-12-28 |
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