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7003531 |
Synchronization of plural databases in a database replication system
In a database synchronization process, a block of data is read from a source database at the first node. A marker is assigned to the block of data, and the marker is then written to an audit trail...
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7003631 |
System having address-based intranode coherency and data-based internode coherency
A system comprises a plurality of nodes, each node comprising one or more coherent agents coupled to an interconnect. Ownership of a coherency block accessed by a transaction on the interconnect is...
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6996633 |
System and method for synchronizing objects between two devices
A synchronization system synchronizes objects between a portable computer and a desktop computer. The portable computer is capable of communicating with a storage volume that can become...
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6996682 |
System and method for cascading data updates through a virtual copy hierarchy
A system and method for managing data updates by cascading those updates through a virtual copy hierarchy from parent copies to child copies are provided. Virtual copies are created and managed...
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6996590 |
Method and system for the garbage collection of shared data
A method of garbage collection of shared data in a system heap within a data processing system, the method comprising the steps of: (a) determining if the contents of the system heap has reached a...
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6995789 |
Method for managing images over a communication network
A method for providing digital images over a communication network to a user using instruction obtained from a roll of film containing images or wireless image capture device. The instruction may...
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6993631 |
L2 cache maintaining local ownership of remote coherency blocks
A first node includes a first cache and a plurality of coherent agents. In response to a transaction to a coherency block by a first coherent agent of the plurality of coherent agents, the first...
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6993539 |
System and method for determining changes in two snapshots and for transmitting changes to destination snapshot
A system and method for remote asynchronous replication or mirroring of changes in a source file system snapshot in a destination replica file system using a scan (via a scanner) of the blocks that...
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6988165 |
System and method for intelligent write management of disk pages in cache checkpoint operations
A system and method are disclosed for improving the efficiency of write operations by intelligently managing disk pages that are written during checkpoint operations so that write operations can...
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6985901 |
Controlling data collection, manipulation and storage on a network with service assurance capabilities
The present disclosure provides for controlling the collection, manipulation and storage of network performance data and network even data of a network with service assurance capabilities. Upon the...
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6983293 |
Mid-tier-based conflict resolution method and system usable for message synchronization and replication
A system, method and a computer usable medium tangibly embodying a program of instructions executable by the computer to perform a computer-based method for providing a conflict detection and...
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6983277 |
Method and system of database management for replica database
When a database area multi-written or replicated in an external storage unit is separated, a database management system writes consistent data into the external storage unit. A method and system...
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6981256 |
Methods and apparatus for enabling dynamic resource collaboration
Methods and apparatus for enabling collaboration with web pages and other resources is described. A method includes the step of establishing a collaboration session between a first client and a...
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6981097 |
Token based cache-coherence protocol
A cache coherence mechanism for a shared memory computer architecture employs tokens to designate a particular node's rights with respect to writing or reading a block of shared memory. The token...
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6981061 |
Method and system for updating a data system in conjunction with synchronized clock modules
In a system where a plurality of mobile terminals shares a data of the server, upon issuing an update request data of server from the mobile terminals, without depending on the stability of the...
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6976129 |
Mechanism for handling I/O transactions with known transaction length to coherent memory in a cache coherent multi-node architecture
A method and apparatus for a mechanism for handling i/o transactions with known transaction length to coherent memory in a cache coherent multi-node architecture is described. In one embodiment,...
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6976093 |
Web server content replication
This invention relates to managing multiple web servers, and more particularly to a web service system and method that allows a system operator to distribute content to each web server in the web...
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6973463 |
Replication architecture for a directory server
A directory server includes a supplier server, a consumer server in communication with the supplier server, a plurality of pluggable services that manage replication of data contained within the...
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6973472 |
Data synchronization system and method based on modification records and common formatting
A data synchronization system includes a first memory device in a handheld electronic device, a second memory device in a desktop computer, and a synchronization program installed in the desktop...
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6973464 |
Intelligent replication method
A replication method supports file replication across a plurality of file servers by tracking the changes to the local volume on the storage system. Each change is then ranked according to a number...
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6970866 |
Filter file system
Methods and apparatus implementing a technique for retrieving requested data. In general, in one aspect, the technique includes receiving a request from an application to read a portion of an...
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6970975 |
Method for efficient caching and enumerating objects in distributed storage systems
A method for performing efficient caching through an enumeration process is provided. The objects residing on the storage medium are cached in the order that these objects are kept in the directory...
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6970889 |
Synchronizing a store with write generations
Systems and methods for synchronizing a device and for ensuring that updates to the device occurring during synchronization are not re-synchronized to the synchronization partner. Generation...
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6968432 |
Method and system for altering a sequence number assignment pattern while preserving integrity and high concurrency in a multi-system shared disk environment
A system, computer usable medium and computer-based method for altering a sequence number assignment pattern while preserving integrity and high concurrency in an environment having a plurality of...
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6968516 |
LSI development support system
Information on a plurality of IPs (intellectual properties) serving as LSI design assets is stored in a registered-IP database, from which IP-based operation manual data, specification data and...
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6968335 |
Method and system for parallel processing of database queries
A system and methods for parallel processing of queries to one or more databases are described herein. One or more databases may be distributed among a subset of slave nodes of a global-results...
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6965892 |
Method, system and program products for concurrently accessing a global data repository by multithreaded clients
Threads of a multithreaded client application access data in one or more global data repositories via one or more local trees. Each local tree is associated with one or more locked resources of the...
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6965893 |
Techniques for granting shared locks more efficiently
Techniques are disclosed for managing resources that are accessible to a plurality of entities. In one embodiment, shared locks on a resource are granted more efficiently by maintaining data that...
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6965973 |
Remote line directory which covers subset of shareable CC-NUMA memory space
A node is coupled to receive a coherency command and coupled to a memory, wherein the node includes a directory configured to track a state of a first number of coherency blocks less than a total...
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6963882 |
Method and apparatus for processing a list structure
Various enhancements are made to the architecture of a list processor to facilitate its use in implementing a message queue that is shared by queue managers residing across a multisystem complex. A...
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6963865 |
Method system and program product for data searching
A method and apparatus for searching data to locate a portion identified by a search query. The data may comprise text files in a database. The search query comprises two or more data fragments...
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6963883 |
Method and apparatus for parallel execution of conduits during simultaneous synchronization of databases
Sharing information between a host computer system and a peripheral computer system. Conduit programs running simultaneously on the host computer system synchronize information between the two...
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6961909 |
System for displaying a hierarchical directory
A segmented-tree system for web browser display of a selected part of a tree-structured directory of hierarchically-related entities in a computer system. In the segmented-tree design of the...
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6961737 |
Serving signals
Output signals are served from a serving device to a plurality of browsing devices connected to a network. The output signals represent commands executable by each browsable device so as to display...
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6959311 |
Data logging method, apparatus, system and computer program
A technique of logging updates to a plurality of data records into discrete pages in non-volatile storage, wherein a page partially full of data is known as a partial page. Identical partial pages...
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6957234 |
System and method for retrieving data from a database using a data management system
A system ( 10 ) for retrieving data from a database ( 22 ) using a data management system ( 20 ) includes a change retrieval engine ( 50 ) that is coupled to the data management system ( 20 ). The...
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6952699 |
Method and system for migrating data while maintaining access to data with use of the same pathname
Data is migrated from an original host storage system to another replacement host storage system. An original host storage system is connected to the replacement host storage system. Data migration...
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6952717 |
Document and message exchange system for ASP model
Document and message exchange can be facilitated using a Application Service Provider model. Assigning unique identifiers for data fields allows multiple databases to exchange information using...
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6950833 |
Clustered filesystem
A cluster of computer system nodes share direct read/write access to storage devices via a storage area network using a cluster filesystem. Version information about subsystems is acquired by a...
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6947942 |
Methods of managing user and computer objects in directory service
A system and method of inventorying and managing users and their computer workstations in large organizations through automation. Data is organized in two distinctive ways into two computer...
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6944615 |
System and method for avoiding deadlock situations due to pseudo-deleted entries
In a database management system (DBMS) ( 60 ) for a database application ( 10 ) including a database ( 12 ) having a table ( 14, 16, 18 ) and a unique key index ( 42 ) having indexes ( 44, 46, 48 )...
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6938139 |
Method and system for data element change across multiple instances of data base cache
A method and system for updating and maintaining cache coherency across nodes in a cluster. The method uses a combination of read and write locks on the instances of the cache, with some...
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6938055 |
Data processing system and method and storage medium storing data processing program
A data processing system is provided for quickly and appropriately handling alteration to shared data stored in main-memory areas of a plurality of machines connected via a network. The system has...
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6938039 |
Concurrent file across at a target file server during migration of file systems between file servers using a network file system access protocol
A file system is migrated from a source file server to a target file server in a data network while permitting clients to have concurrent read/write access to the file system. The target file...
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6934724 |
Methods and apparatus for reducing resource contention in parallel data backup processes
Methods and apparatus for reducing resource contention in parallel data backup processes that share a variety of resources in a computer environment to access target data to be backed-up. The...
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6934720 |
Automatic invalidation of cached data
A system and method are provided for automatically invalidating cached data. A cache system caches data from a data server (e.g., web server, application server, database). When a request is...
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6934822 |
Organization of multiple snapshot copies in a data storage system
A file server maintains a production file system supported by a clone volume, and multiple snapshot file systems supported by respective save volumes in a snapshot queue. Before a data block is...
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6928412 |
Computerized system to improve process of bringing consumer product to market
A data management system for use in a consumer product development process comprises a computing device with a memory having a plurality of data bases including at least one database for each of a...
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6928466 |
Method and system for identifying memory component identifiers associated with data
This invention provides a negative cache management system and method for controlling valid and invalid memory component identifiers, and, thereby, accelerates performance of relatively high speed...
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6925477 |
Transferring records between two databases
In order to transfer data between two databases, a computer program automatically establishes a field map between the record structures of the two databases using information identifying the record...
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