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    • 2. 发明申请
    • TRANSACTION PROCESSING IN A DISTRIBUTED DATABASE MANAGEMENT SYSTEM
    • 分布式数据库管理系统中的交易处理
    • WO2016120722A1
    • 2016-08-04
    • PCT/IB2016/000103
    • 2016-01-27
    • CLUSTERPOINT GROUP LIMITED
    • RASSCEVSKIS, ZigmarsSERMULINS, Janis
    • G06F17/30
    • G06F17/30227G06F17/30212G06F17/30581
    • Systems and methods here include computerized handling of database transactions that can be employed on distributed architecture without requiring a single point of synchronization. Thus, examples can be embodied by a combination of algorithms that can be implemented in software and hardware allowing distributed deployment on the software. Such systems may be used for updating several documents within a single transaction which may provide, for example, atomicity, consistency, isolation and/or durability of such transactions. This may be accomplished by ensuring a distributed consensus within any of various database nodes, while requiring only a majority of nodes handling each individual shards to be available for transactions to complete successfully.
    • 这里的系统和方法包括可以在分布式架构上使用的数据库事务的计算机化处理,而不需要单点同步。 因此,可以通过可以在软件和硬件中实现的算法的组合来实现示例,从而允许在软件上的分布式部署。 这样的系统可以用于更新单个事务中的几个文档,其可以提供例如这种事务的原子性,一致性,隔离和/或持久性。 这可以通过确保在各种数据库节点之内的分布式共识来实现,同时仅需要大部分处理各个分片的节点可用于事务成功完成。
    • 3. 发明申请
    • LOG STRUCTURED CONTENT ADDRESSABLE DEDUPLICATING STORAGE
    • LOG结构化内容可寻址的重复存储
    • WO2010033962A1
    • 2010-03-25
    • PCT/US2009/057774
    • 2009-09-22
    • RIVERBED TECHNOLOGY, INC.MACE, James E.PARAB, Nitin
    • MACE, James E.PARAB, Nitin
    • G06F17/00
    • G06F11/1435G06F11/1471G06F11/1474G06F17/30156G06F17/30227
    • A log structured content addressable deduplicated data storage system may be used to store deduplicated data. Data to be stored is partitioned into data segments. Each unique data segment is associated with a label. The storage system maintains a transaction log. Mutating storage operations are initiated by storing transaction records in the transaction log. Additional transaction records are stored in the log when storage operations are completed. Upon restarting an embodiment of the data storage system, the transaction records from the transaction logs are replayed to recreate the state of the data storage system. The data storage system updates file system metadata with transaction information while a storage operation associated with the file is being processed. This transaction information serves as atomically updated transaction commit points, allowing fully internally consistent snapshots of deduplicated volumes to be taken at any time.
    • 可以使用日志结构化内容可寻址的重复数据删除数据存储系统来存储重复数据删除的数据。 要存储的数据被分割成数据段。 每个唯一数据段都与一个标签相关联。 存储系统维护事务日志。 通过将事务记录存储在事务日志中来启动变量存储操作。 存储操作完成后,其他事务记录将存储在日志中。 在重新启动数据存储系统的实施例时,重播来自事务日志的事务记录以重新创建数据存储系统的状态。 数据存储系统在处理与文件相关联的存储操作的同时,用事务信息更新文件系统元数据。 此事务信息用作原子更新的事务提交点,允许在任何时间完全内部一致地执行重复数据删除卷的快照。
    • 5. 发明申请
    • SYSTEM FOR ARCHIVE INTEGRITY MANAGEMENT AND RELATED METHODS
    • 存档整合管理系统及相关方法
    • WO2005015361A2
    • 2005-02-17
    • PCT/US2004/025648
    • 2004-08-06
    • JP MORGAN CHASE BANKTELKOWSKI, William, A.LEONG, Sang, F.
    • TELKOWSKI, William, A.LEONG, Sang, F.
    • G06F
    • G06F17/30073G06F11/0727G06F11/0772G06F17/30079G06F17/30227Y10S707/99953Y10S707/99955
    • A system for archive integrity management and related methods are disclosed. The invention includes one or more integrity manager applications, each of which monitor the integrity of an aspect of a data archive. Some integrity manager applications monitor the integrity of processes executed by the archive system, and other integrity manager applications monitor the integrity of communication paths in the archive system. A file input integrity manager application monitors the integrity of a plurality of processes associated with storing a new data file in the archive. A business content integrity manager application determines what documents are required for a transaction and monitors whether all of the required documents have been received by the archive system. Further, an event integrity manager application executes predetermined events triggered by characteristics of documents stored in the archive system and ensures that all events have been properly executed.
    • 公开了一种用于归档完整性管理和相关方法的系统。 本发明包括一个或多个完整性管理器应用程序,每个完整性管理器应用程序监视数据存档的方面的完整性。 一些完整性管理器应用程序监视由归档系统执行的进程的完整性,而其他完整性管理器应用程序监视归档系统中的通信路径的完整性。 文件输入完整性管理器应用程序监视与在存档中存储新的数据文件相关联的多个进程的完整性。 业务内容完整性管理器应用程序确定事务需要哪些文档,并监视归档系统是否已接收到所有必需的文档。 此外,事件完整性管理器应用程序执行由归档系统中存储的文档的特征触发的预定事件,并确保所有事件都已被正确执行。
    • 6. 发明申请
    • CHECKPOINTS FOR A FILE SYSTEM
    • 检查文件系统
    • WO2011159476A2
    • 2011-12-22
    • PCT/US2011038811
    • 2011-06-01
    • MICROSOFT CORP
    • CARGILLE JONATHAN MMILLER THOMAS JTIPTON WILLIAM R
    • G06F17/30
    • G06F11/1435G06F11/1461G06F17/30G06F17/30088G06F17/30171G06F17/30227G06F2201/84
    • Aspects of the subject matter described herein relate to checkpoints for a file system. In aspects, updates to the file system are organized into checkpoint buckets. When a checkpoint is desired, subsequent updates are directed to another checkpoint bucket. After global tables have been updated for updates in the current checkpoint bucket, a logical copy of the global tables is created. This logical copy is stored as part of the checkpoint data. To assist in recovery, a checkpoint manager may wait until all updates of the current checkpoint bucket have been written to storage before writing final checkpoint data to storage. This final checkpoint data may refer to the logical copy of the global tables and include a validation code to verify that the checkpoint data is correct.
    • 本文描述的主题的方面涉及文件系统的检查点。 在方面,文件系统的更新被组织到检查点桶中。 当需要检查点时,后续更新将定向到另一个检查点存储区。 在为当前检查点存储区中的更新更新了全局表之后,将创建全局表的逻辑副本。 该逻辑副本作为检查点数据的一部分存储。 为了帮助恢复,检查点管理员可能会等待当前检查点数据桶的所有更新已写入存储,然后才能将最终检查点数据写入存储。 该最终检查点数据可以引用全局表的逻辑副本,并且包括验证码以验证检查点数据是否正确。
    • 9. 发明申请
    • SYSTEM FOR ARCHIVE INTEGRITY MANAGEMENT AND RELATED METHODS
    • 存档整合管理系统及相关方法
    • WO2005015361A3
    • 2005-06-09
    • PCT/US2004025648
    • 2004-08-06
    • JP MORGAN CHASE BANKTELKOWSKI WILLIAM ALEONG SANG F
    • TELKOWSKI WILLIAM ALEONG SANG F
    • G06F20060101G06F17/30G06F17/40
    • G06F17/30073G06F11/0727G06F11/0772G06F17/30079G06F17/30227Y10S707/99953Y10S707/99955
    • A system for archive integrity management and related methods are disclosed (Figure 1). The invention includes one or more integrity manager applications (50), each of which monitor the integrity of an aspect of a data archive. Some integrity manager applications monitor the integrity of processes executed by the archive system (100), and other integrity manager applications monitor the integrity of communication paths in the archive system. A file input integrity manager application monitors the integrity of a plurality of processes associated with storing a new data file in the archive. A business content integrity manager application determines what documents are required for a transaction and monitors whether all of the required documents have been received by the archive system. Further, an event integrity manager application executes predetermined events triggered by characteristics of documents stored in the archive system and ensures that all events have been properly executed.
    • 公开了一种用于归档完整性管理和相关方法的系统(图1)。 本发明包括一个或多个完整性管理器应用(50),每个完整性管理器应用程序监视数据存档的一个方面的完整性。 一些完整性管理器应用程序监视由归档系统执行的进程的完整性(100),而其他完整性管理器应用程序监视归档系统中的通信路径的完整性。 文件输入完整性管理器应用程序监视与在存档中存储新的数据文件相关联的多个进程的完整性。 业务内容完整性管理器应用程序确定事务需要哪些文档,并监视归档系统是否已接收到所有必需的文档。 此外,事件完整性管理器应用程序执行由归档系统中存储的文档的特征触发的预定事件,并确保所有事件都已被正确执行。
    • 10. 发明申请
    • OBJECT-BASED STORAGE DEVICE WITH IMPROVED RELIABILITY AND FAST CRASH RECOVERY
    • 具有改进的可靠性和快速恢复的基于对象的存储设备
    • WO0250684A3
    • 2004-03-25
    • PCT/US0148511
    • 2001-12-13
    • SUN MICROSYSTEMS INC
    • HOWARD JOHN H
    • G06F12/00G06F15/16G06F17/30
    • G06F17/30227
    • An object-based storage may employ a transactional interface and a copy on write protocol. The inode for the file (which is identified by the I-number and indicates one or more blocks storing the file data) may be copied to a working copy of the inode, and the working copy may be updated to indicate the newly allocated blocks. In response to a file commit (e.g. a file close or a file synchronization command), the working copy of the inode may be atomically written to a non-volatile storage. In this manner, the updates performed during the transaction may be atomically committed to the file. The inode itself may be stored in a file (referred to as the inode file), and the storage may perform updates to the inode file atomically as well. The inode file may be modified using the copy on write protocol described above, and the master inode (mapping the blocks of the inode file) may be atomically written to non-volatile storage to atomically update the inode file. In one particular embodiment, the storage employs a journal technique for updates to the inode file.
    • 基于对象的存储可以使用事务接口和写协议上的副本。 文件的inode(由I号码表示并表示存储文件数据的一个或多个块)可以被复制到inode的工作副本,并且可以更新工作副本以指示新分配的块。 响应于文件提交(例如文件关闭或文件同步命令),可以将inode的工作副本原子地写入非易失性存储器。 以这种方式,在事务期间执行的更新可以被原子地提交到该文件。 inode本身可以存储在文件(称为inode文件)中,并且存储器也可以以原子方式执行对inode文件的更新。 可以使用上述的写入协议复制来修改inode文件,并且可以将master inode(映射inode文件的块)原子地写入非易失性存储器以原子更新inode文件。 在一个特定实施例中,存储器采用日志技术来更新inode文件。