JP2017215961A - データ複製方法及びその装置 - Google Patents
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- JP2017215961A JP2017215961A JP2017105778A JP2017105778A JP2017215961A JP 2017215961 A JP2017215961 A JP 2017215961A JP 2017105778 A JP2017105778 A JP 2017105778A JP 2017105778 A JP2017105778 A JP 2017105778A JP 2017215961 A JP2017215961 A JP 2017215961A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- 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
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2282—Tablespace storage structures; Management thereof
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- 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
- G06F16/275—Synchronous replication
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- 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
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- 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
- G06F16/18—File system types
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/184—Distributed file systems implemented as replicated file system
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
- G06F16/214—Database migration support
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/35—Clustering; Classification
- G06F16/355—Class or cluster creation or modification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1471—Saving, restoring, recovering or retrying involving logging of persistent data for recovery
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/951—Indexing; Web crawling techniques
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Abstract
Description
Claims (7)
- マスターノード及び少なくとも1つ以上のデータノードで構成された時系列データベースのデータ複製方法であって、
データベースシステムを構成するノード装置により、
複数のデータ領域及び複数のインデックス領域で構成されるテーブル領域にデータ及びインデックスを格納するステップと、
前記複数のインデックス領域を1つのインデックス領域に併合するステップと、
前記複数のデータ領域及び1つのインデックス領域で構成されたテーブル領域を他のノードに複製するステップと、を含むことを特徴とするデータ複製方法。 - 前記格納するステップは、
テーブル領域の割り当てを受けるステップと、
前記割り当てされたテーブル領域にデータ及びインデックスを格納するステップと、を含むことを特徴とする、請求項1に記載のデータ複製方法。 - 前記インデックスは、ビットマップ方式で所定個数のデータの格納位置及びデータ値に関する情報を含むことを特徴とする、請求項1または2に記載のデータ複製方法。
- 前記併合するステップは、
前記複数のインデックス領域にそれぞれ格納されたビットマップを1つのビットマップに併合して1つのインデックス領域に格納するステップを含むことを特徴とする、請求項3に記載のデータ複製方法。 - 前記複数のインデックス領域に格納された各インデックスがLSMT(Log Structured Merge Tree)インデックスであることを特徴とする、請求項1または4に記載のデータ複製方法。
- データを受信するデータ受信部と、
複数のデータ領域及び複数のインデックス領域で構成されるテーブル領域にデータ及びインデックスを格納するデータ格納部と、
前記複数のインデックス領域を1つのインデックス領域に併合し、前記複数のデータ領域及び前記1つのインデックス領域で構成されたテーブル領域を他のノードに複製する複製部と、を含むことを特徴とするデータベースのノード装置。 - 請求項1乃至5の何れか一項に記載の方法を行うためのプログラムを記録したコンピュータにより読み取り可能な記録媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2016-0066375 | 2016-05-30 | ||
KR1020160066375A KR101736406B1 (ko) | 2016-05-30 | 2016-05-30 | 데이터 복제 방법 및 그 장치 |
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JP2017215961A true JP2017215961A (ja) | 2017-12-07 |
JP6440773B2 JP6440773B2 (ja) | 2018-12-19 |
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JP2017105778A Active JP6440773B2 (ja) | 2016-05-30 | 2017-05-29 | データ複製方法及びその装置 |
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US (1) | US10452685B2 (ja) |
EP (1) | EP3252624B1 (ja) |
JP (1) | JP6440773B2 (ja) |
KR (1) | KR101736406B1 (ja) |
CN (1) | CN107451176B (ja) |
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KR102287774B1 (ko) | 2019-11-01 | 2021-08-06 | 연세대학교 산학협력단 | 비휘발성 메모리를 이용한 로그 구조 병합 트리 기반의 데이터 베이스의 데이터 처리 방법 |
WO2021258360A1 (zh) * | 2020-06-24 | 2021-12-30 | 智协慧同(北京)科技有限公司 | 一种车载数据存储方法及系统 |
KR102389609B1 (ko) | 2020-09-25 | 2022-04-21 | 연세대학교 산학협력단 | 쓰기 최적화 데이터베이스에서의 디스크 스캔 연산 gpu 오프로딩 방법 |
KR102357314B1 (ko) * | 2020-10-28 | 2022-02-07 | 주식회사 마크베이스 | 센서 데이터 복제 방법을 수행하는 클라우드 시스템 |
KR20230171300A (ko) | 2022-06-13 | 2023-12-20 | 연세대학교 산학협력단 | 심층 유전 알고리즘을 사용한 데이터베이스 튜닝 방법 |
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- 2017-05-26 US US15/607,038 patent/US10452685B2/en active Active
- 2017-05-29 EP EP17173254.8A patent/EP3252624B1/en active Active
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US20170344619A1 (en) | 2017-11-30 |
CN107451176B (zh) | 2021-06-18 |
CN107451176A (zh) | 2017-12-08 |
US10452685B2 (en) | 2019-10-22 |
EP3252624A1 (en) | 2017-12-06 |
EP3252624B1 (en) | 2021-07-14 |
JP6440773B2 (ja) | 2018-12-19 |
KR101736406B1 (ko) | 2017-05-29 |
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