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    LOW IMPACT SNAPSHOT DATABASE PROTECTION IN A MICRO-SERVICE ENVIRONMENT
    81.
    发明申请
    LOW IMPACT SNAPSHOT DATABASE PROTECTION IN A MICRO-SERVICE ENVIRONMENT 审中-公开

    公开(公告)号：US20180173562A1

    公开(公告)日：2018-06-21

    申请号：US15381569

    申请日：2016-12-16

    Applicant: Red Hat, Inc.

    Inventor： Huamin Chen ,  Jay Vyas

    IPC: G06F9/48 ,  G06F11/14

    CPC classification number: G06F11/1461 ,  G06F11/3006 ,  G06F16/128 ,  G06F2201/80 ,  G06F2201/84 ,  G06F2201/87

    Abstract: An implementation of the disclosure provides a system for generating low impact snapshots comprising a memory to store application data and a processing device coupled to the memory. The processing device is to identify a plurality of transactions within a cloud computing environment. Each of the transactions comprising an operation associated with a storage device of the cloud computing environment. A transaction queue that is storing identifiers of high and low priority database operations to be performed by an application on the storage device is monitored. The monitoring indicates how many transactions are currently being processed. A snapshot policy that stores conditions in which a snapshot can be generated without adversely impacting performance of the storage device is evaluated based on the monitored transaction queue. In view of the evaluating, a point-in-time snapshot is generated which includes at least part of the storage device comprising state information for the application.

    Database storage system based on optical disk and method using the system
    82.
    发明授权
    Database storage system based on optical disk and method using the system 有权

    公开(公告)号：US09996557B2

    公开(公告)日：2018-06-12

    申请号：US14417492

    申请日：2013-04-24

    Applicant: Guangyi Tao ,  Yachun Lian ,  Zichuan Lian

    Inventor： Guangyi Tao ,  Yachun Lian ,  Zichuan Lian

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F17/30289 ,  G06F11/1456 ,  G06F11/1458 ,  G06F11/1469 ,  G06F17/30091 ,  G06F2201/80

    Abstract: A database storage system based on optical disk includes a database management system installed on a server, a magnetic disk storage device and an optical disk storage device connecting, via a data connection, to the server. The database management system processes database management and data management in response to data requests and a database is created in the magnetic disk storage device, and includes a field structure generation module, a record index generation module, a storage space allocation module, a storage space status module, a record linkage module, a record split module and a database creation on optical disk module. The integrity of data is maintained during a database backup process. The optical disk containing a subdatabase accepts the management of the database management system to serve as a normal data source. The databases are hierarchically stored using the storage devices. The methods for database backup and restoration are provided.

    DATABASE SYSTEM RECOVERY USING PRELIMINARY AND FINAL SLAVE NODE REPLAY POSITIONS
    86.
    发明申请
    DATABASE SYSTEM RECOVERY USING PRELIMINARY AND FINAL SLAVE NODE REPLAY POSITIONS 审中-公开

    公开(公告)号：US20180143884A1

    公开(公告)日：2018-05-24

    申请号：US15358489

    申请日：2016-11-22

    Applicant: SAP SE

    Inventor： Martin Brunzema

    IPC: G06F11/14 ,  G06F17/30

    CPC classification number: G06F11/1471 ,  G06F2201/80 ,  G06F2201/82

    Abstract: Technologies are described for facilitating database system recovery in a distributed database environment having a master node and at least one slave node. The at least one slave node receives a preliminary slave log backup position. The at least one slave node replays at least a portion of one or more log backups until the preliminary log backup position is reached. The at least one slave node receives a final slave log backup position. The slave node replays at least a portion of one or more log backups until the final slave log backup position is reached.

    ASSISTED PROBLEM IDENTIFICATION IN A COMPUTING SYSTEM
    87.
    发明申请
    ASSISTED PROBLEM IDENTIFICATION IN A COMPUTING SYSTEM 审中-公开

    公开(公告)号：US20180137152A1

    公开(公告)日：2018-05-17

    申请号：US15349591

    申请日：2016-11-11

    Applicant: International Business Machines Corporation

    Inventor： Michael Reichert ,  Matthias Tschaffler

    IPC: G06F17/30 ,  G06F11/30 ,  G06F11/34

    CPC classification number: G06F16/217 ,  G06F11/3409 ,  G06F2201/80 ,  G06F2201/805 ,  G06F2201/86

    Abstract: A method, system and computer program product for providing support for identification of the problem root cause in a computing system. Knowledge base mapping monitoring programs with respective to one or more technical problem definitions and a predefined system configuration are provided. The technical problems are defined using a predefined data structure. An inquiry relating to the computing system is received from a requester. The inquiry indicates a technical problem statement of the computing system. The received inquiry is parsed for constructing a problem description in accordance with the predefined data structure. A set of monitoring programs of the knowledge base may be identified using the problem description. Using software and/or hardware configuration data of the computing system, the set of monitoring programs may be instantiated in a monitor system. The instantiated programs may be provided to the requester as support for identification of the problem root cause.

    METHOD AND TECHNIQUE OF ACHIEVING EXTRAORDINARILY HIGH INSERT THROUGHPUT
    89.
    发明申请
    METHOD AND TECHNIQUE OF ACHIEVING EXTRAORDINARILY HIGH INSERT THROUGHPUT 审中-公开

    公开(公告)号：US20180129677A1

    公开(公告)日：2018-05-10

    申请号：US15866329

    申请日：2018-01-09

    Applicant: International Business Machines Corporation

    Inventor： Oliver Draese ,  Robert W. Lyle ,  Kalpana Shyam ,  George F. Wang ,  Julie A. Watts ,  Shirley Zhou

    IPC: G06F17/30 ,  G06F11/14

    CPC classification number: G06F11/1474 ,  G06F16/22 ,  G06F2201/80

    Abstract: In a high insert throughput in a database system, the database management system (DBMS) caches, asynchronously from data insert transactions, a list of storage location identifiers for storage locations in a table space in the database system. When a request for an insert transaction with an insert size is received from an agent, the DBMS identifies a storage location on the list with an amount of free space meeting the insert size. The DBMS removes the storage location identifier from the list and returns the storage location identifier for the storage location. When the insert transaction completes, the DBMS determines a remaining free space at the storage location and adds the storage location identifier to the list according to the remaining free space. By removing storage location identifiers from the list, another agent cannot receive the same storage location identifier for a parallel task. Thus, space contention is avoided.

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