Abstract: The disclosed computer-implemented method for selectively restoring files from virtual machine backup images phrase may include (i) exposing a virtual disk image included in a target virtual machine backup image to an operating system of a host computing system, (ii) mounting the virtual disk image included in the target virtual machine backup image to the host computing system, (iii) determining at least one extent of a target file included in a file system included in the virtual disk image, (iv) associating the extent of the target file with a storage location included in the target virtual machine backup image, (v) generating a catalog comprising the extent of the target file associated with the storage location included in the target virtual machine backup image, and (vi) restoring the target file from the target virtual machine backup image by using the generated catalog.

Abstract: Example embodiments relate generally to systems and methods for continuous data protection (CDP) and more specifically to an input and output (I/O) filtering framework and log management system to seek a near-zero recovery point objective (RPO).

Abstract: A computer-implemented method according to one embodiment includes determining that a consistency group has not been created within a predetermined period of time; sending a request to create the consistency group, where the request includes an indication that a creation of the consistency group is mandatory; identifying one or more logical storage volumes associated with the request to create the consistency group; marking each of the identified one or more logical storage volumes to indicate that a point-in-time snapshot copy operation is not allowed for the one or more logical storage volumes; creating the consistency group; sending the consistency group from a source site to a destination site; and removing the marking from each of the identified one or more logical storage volumes to indicate that a point-in-time snapshot copy operation is allowed for the one or more logical storage volumes.

Abstract: Systems, methods, and software can be used to secure storage of personally identifiable information. In some aspects, a method includes receiving, by at least one hardware processor, a request to store a data record, wherein the data record comprises personally identifiable information for a person; dividing, by the at least one hardware processor, the data record into at least two data entries, each of the at least two data entry comprising a respective portion of the personally identifiable information; selecting, by the at least one hardware processor, a database cell for each of the at least two data entries to store the respective portion of the personally identifiable information, wherein the database cells for different data entries are in different database tables, different database rows, or different database columns; and storing, by the at least one hardware processor, the at least two data entries in the selected database cells.

Abstract: Securing data acquired by coordinate measurement devices including receiving a request from a requestor to access a data file including data that was acquired by a coordinate measurement device. The data file is retrieved and the content of the data file is authenticated. The authenticating includes retrieving an expected digital security attribute previously calculated by a digital security function based on content of the data file prior to the data file being retrieved. The authenticating also includes applying the digital security function to the data file to calculate an actual digital security attribute, and comparing the expected digital security attribute to the actual digital security attribute. Based on the comparing, a value of valid or not valid is assigned to an output of the authenticating.

Abstract: The techniques and systems described herein implement an improved peer matching service by coordinating peer matching requests across multiple peer matching nodes configured within a peer matching unit so that resource consumption can be spread out and resource limitations are not exceeded. Moreover, the peer matching service can determine if a peer matching unit is overloaded (e.g., experiencing an increased number of requests in a given time interval that is causing performance degradation), and the peer matching service can implement an action to scale out the number of requests within the peer matching unit (e.g., re-distribute some peer matching requests to another peer matching unit). In various examples, the peer matching service can determine if peer devices are co-located peer devices based on location information and can generate a list that prioritizes the co-located peer devices.

Abstract: Systems and methods for providing a database having a plurality of standard configuration settings are presented. Requests corresponding to modifications to some or all of the standard configuration settings are monitored during customization of the database. A determination of whether the modifications are allowed is made. Based on the determination, a message comprising allowance or denial for each of the modifications is generated. Data characterizing allowed modifications is logged. The logged data is used to update the database when the standard configuration settings of the database change as part of a database upgrade. Data characterizing the allowed modifications is extracted from the logged data and used to generate differences between a newer version of the database and an older version of the database.

Abstract: Some embodiments of the invention provide systems and methods for securing configuration information for cloud-based services. Some embodiments include a system comprising a data store and data sets including plant process information and configuration information. A memory device stores computer-executable instructions executable by a processor coupled to the cloud service. When executed, the instructions receive configuration information, store it in a data file, apply a generated certificate to the file, and deploy the resulting protected configuration data file to the cloud-based service. In addition, the protected configuration data file is made available by obtaining the file from the cloud-based service.

Abstract: A database platform receives query instructions for a query on a database, where the query instructions include a geospatial-function join that includes a geospatial-function predicate. The database platform generates a query-execution plan by replacing the geospatial-function join with a single interval join that has an interval-join predicate that is implied by the geospatial-function predicate, and by also inserting a filter above the single interval join to apply the geospatial-function predicate. The database platform executes the query-execution plan, and returns query results in response to the query.

Abstract: Systems and methods for securing configuration information for cloud-based services. A system comprises a data store and data sets including plant process information and configuration information. A memory device stores computer-executable instructions. When executed by a processor coupled to the cloud service, the instructions receive configuration information, store it in a data file, apply a generated certificate to the file, and deploy the resulting protected configuration data file to the cloud-based service. In addition, the protected configuration data file is made available by obtaining the file from the cloud-based service.

Abstract: Technologies are described herein for a health monitor that establishes and monitors a set of alive endpoints to be used as substitutes for a dead working window endpoints. The health monitor periodically monitors substitution endpoints. When a request manager determines that a working window endpoint is dead, the request manager sends a request to the health monitor for a substitute endpoint. The health monitor receives the request and identifies an appropriate substitution endpoint from the health monitor endpoints to provide to the request manager to substitute for the dead endpoint. The health monitor releases the identified substitution endpoint to the request manager.

Abstract: In a system and methods for secure ledger assurance tokenization, a request circuit is structured to access a first block of a first blockchain. The first block includes a first block identifier of the first blockchain and first block content. The request circuit is structured to audit the first block content so as to generate a first audit result. A secure ledger assurance token (SLAT) generation circuit is structured to generate a first SLAT, the first SLAT comprising the first block identifier of the first blockchain and the first audit result. The cryptographic circuit is structured to cryptographically protect the first SLAT. The SLAT generation circuit stores the cryptographically protected first SLAT in a journal, where the cryptographically protected first SLAT is accessible by an authorized stakeholder to provide integrity and origin authenticity of the first audit result.

Abstract: Systems and methods to process a topology change in a clustered database are described. The system communicates a query to a source storage platform enquiring of a topology change in a clustered database stored on the source storage platform. The system receives a message, at a control computer responsive to communicating the query. The message includes node identifiers identifying nodes including a first node identifier identifying a first node included in the clustered database. The system automatically identifies an addition of the first node to the clustered database on the source storage platform. The system initializes the first node on the source storage platform by communicating a first node agent to the first node. The first node agent is configured to execute on the first node to extract the data image at the source storage platform and stream the data image to the secondary storage platform.

Abstract: Apparatus for processing data uses memory access circuitry to enforce ownership rights of a plurality of memory regions within a memory, a given memory region among the plurality of memory regions having a given owning process specified from among a plurality of processes. A given owning process has exclusive rights to control access to given owned data stored within the given memory region. The memory access circuitry is responsive to a first access command from a first processing element for the given memory region to perform an access sequence comprising switching a lock flag for the given memory region to a locked state, performing an access operation specified by the access command, and switching the lock flag to an unlocked state. The memory access circuitry is responsive to a second access command from a second processing element for the given memory region while the lock flag is in said locked state to block action of the second access command.

Abstract: Embodiments for implementing intelligent web navigation by at least a portion of a processor. One or more uniform resource locators (URLs) may be accessed (e.g., opened) according a user history of Internet activities, user preferences, one or more current user activities, calendar data, or a combination thereof. Selected feedback may be gathered (e.g., collected) from the user relating to the one or more URLs according to activities of the user performed on the one or more URLs. The one or more URLs may be classified into one of a plurality of classifications to indicate a degree of relevancy to the user.

Abstract: A system includes a non-transitory memory and one or more hardware processors configured to perform operations including receiving, via a product model API, product model data for a product sold by a vendor, receiving from the vendor, via an offer API, offer data corresponding to one or more promotional offers for the product, processing, via a deal hub, the offer data, generating a catalog item for the product, and displaying the catalog item within a catalog.

Abstract: The present disclosure generally relates to creating virtualized block storage devices whose data is replicated across isolated computing systems to lower risk of data loss even in wide-scale events, such as natural disasters. The virtualized device can include at least two volumes, each of which is implemented in a distinct computing system. Due to separation between volumes, replication lag may occur, in which data persisted to a first volume is not immediately persisted to a second volume. Such lag can increase a potential for data loss in the event that the first volume fails. Embodiments of the present disclosure relate to managing data loss risk by determining an expected maximum difference between the data stored at the two volumes, in a manner that does not require decrypting the data written to the volumes or perfect knowledge of the state of the distributed system at a single point.

Abstract: The disclosed embodiments relate to a system that facilitates accessing audio files associated with a user from an online content management system. During operation, the online content management system receives a function call from a client to list audio files associated with the user. In response to the function call, the system filters through operations for files associated with the user to identify audio files. Next, the system returns metadata for the identified audio files associated with the user to the client. In some embodiments, filtering through the operations involves filtering an operation log to identify operations performed on audio files associated with the user, wherein the operations occurred since a preceding call to the function.

Abstract: Technical solutions are described to implement a scalable write ahead log using a distributed file system. A general aspect includes a method for providing consistency among metadata replicas and content in an enterprise content management cluster. The method includes recording a transaction log entry in response to receiving a content modification request, the transaction log entry including a version identifier set to a first version value. The method also includes updating the transaction log entry to a second version value in response to successfully modifying content and one of a plurality of metadata replicas containing metadata corresponding to the request. The method also includes updating the transaction log entry to a third version value in response to successfully modifying each of the metadata replicas. The present document further describes examples of other aspects such as methods, computer products.

Abstract: Disclosed are data storage, data reading, and data cleaning methods and devices, and a cloud storage system. Storage blocks of storage nodes are grouped into resource pools. A method can include: for each resource pool, determining a first number of occupied storage blocks in the resource pool (S401); determining whether the first number meets a preset data cleaning condition (S402); if so, sending a data cleaning instruction to a storage node where each occupied second storage block in the resource pool is located, such that the storage node cleans the data stored on the second storage block in the storage node (S403). That is to say, the management node determines the number of occupied storage blocks of a resource pool. When the number meets a preset data cleaning condition, the data in the storage block is cleaned. Such a process is simple, reducing the workload of management node.

Abstract: The present disclosure discloses a method and system for providing response to a user input. The system receives a user input, processes the user input by finding equivalents of the user input and dividing each of the user input and the equivalents into a frame. One or more keywords are generated for each of the one or more frames. Further, each of the one or more frames are classified into one or more domains present in a knowledge graph. Then, one or more objects are determined in each of the corresponding one or more domains based on the corresponding one or more keywords. Further, a processing means is determined for each of the one or more objects based on the metadata of the corresponding one or more objects. The processing means is processed by the system for providing response to the user input.

Abstract: Techniques to perform event-based synchronization of data are disclosed. In various embodiments, a synchronization is performed at a synchronization client, based at least in part on one or more synchronization events downloaded from a synchronization server. A result of said synchronization is verified at least in part by comparing a computed representation of synchronization set state as stored at the synchronization client with a corresponding computed representation of synchronization set state as stored at the synchronization server.

Abstract: In one embodiment, a method includes accessing multiple temporally synchronized video streams from multiple cameras operated by a first user. At least one of the cameras is a wireless camera worn on the first user's hand. The video streams are stitched together for presentation to one or more second users. The video streams as stitched together are provided for presentation to one or more second users.

Abstract: A technique for using expedited RCU grace periods to avoid avoiding out-of-memory conditions for offloaded RCU callbacks. In an example embodiment, one or more processors in a computer system may be designated as no-callbacks (No-CBs) processors that do not perform read-copy update (RCU) callback processing. One or more RCU callback offload kernel threads (rcuo kthreads) may be spawned to perform RCU callback management for RCU callbacks generated by workloads running on the No-CBs processors. The rcuo kthreads may run on processors that are not No-CBs processors. The rcuo kthreads may perform RCU grace period waiting as part of their RCU callback management. The RCU grace period waiting may include selectively invoking either an RCU expedited grace period or waiting for a normal RCU grace period to elapse.

Abstract: A processor-implemented method implemented to model devices in a network utilizing an assembly providing an arbitrary model includes utilizing one or more first models to represent relationships between devices in the network for control and management thereof, wherein the one or more first models are implemented in an associated database of one or more databases each with an associated schema; defining an assembly to implement the arbitrary model different from the first model, wherein the assembly comprises pointers to data instances in the one or more databases; and utilizing the arbitrary model for control and management of the devices in the network, wherein the control and management via the arbitrary model updates the data instances in the one or more databases representing the first model.

Abstract: A method and apparatus for synchronously playing an image and an audio are provided. The method comprises: acquiring a play service request sent by a broadcast terminal; acquiring play image data and audio data corresponding to the play service request, the play image data being divided into a plurality of groups based on played content; and sending the play image data, the audio data, and information for determining a first corresponding relationship between each of the groups and an attribute of the audio data to the broadcast terminal, to enable the broadcast terminal to perform synchronization on the play image data and the audio data correspondingly to synchronously play the play image data and the audio data. Establishing the corresponding relationship between the audio data and the played content of each of the groups enables the broadcast terminal to accurately synchronize the played audio content and the displayed play image.

Abstract: Methods for providing remote access to an application executing on a remote server. A client computer includes a client remote access program that is used to connect to a server remote access program. At the client computer, a client difference program having encoded data indicative of changes to the application since changes were last received from the server computer is generated and transmitted to the server remote access program. At the server computer, the client difference program is executed to update the application and a server difference program is generated having encoded changes to the application since the changes were last received from the client computer. The server difference program is transmitted to the client computer to update the application.

Abstract: Techniques are described that enable the dynamic and automatic life cycle management of database schemas. Temporary database schemas are dynamically and automatically allocated in response to database schema requests. Allocated schemas are also automatically reclaimed upon expiration. A dynamic schema allocation system is provided that is configured to receive database schema requests from one or more clients and dynamically and automatically, substantially free of any manual intervention, serve database schemas in response to the requests. The database schemas may be allocated from multiple database instances available to the dynamic schema allocation system. Attributes specified in a database schema request may be used to find a matching database instance and a schema is allocated for the request from the matching database instance.

Abstract: A device may participate in a shared data state in which editing operations performed locally are distributed and synchronized with other devices participating in the shared data state. Data may be maintained in log-structured storage files on each device. Changes made locally may be conditionally appended to log-structured storage and committed or rolled back during synchronization. Devices may exchange sets of related change descriptors preceded by associated contextual information. Conflicts may be resolved through application of conflict resolution rules or through a user-involved process. User notification of conflict resolution may be based on user intent inferred from contextual information and associated change descriptors.

Abstract: Electrical distribution system for an aircraft comprising at least one computer communicating with the avionics (2), at least one computer (1) suitable for communicating with at least one computer communicating with the avionics (2), each computer containing stored data. The system comprises a context information storage device (4), suitable for storing a copy of the data stored in the different computers, and an updating device, suitable for determining that a computer has been replaced by determining that it does not hold the same data as the other computers of the distribution system and/or as the context information storage device (4), the updating device being suitable for controlling the downloading of the data from the context information storage device or from a computer communicating with the avionics, into the replaced computer.

Abstract: Dynamically instrumenting code that executes based on a historic execution of a subject executable entity. Historic execution information for a subject executable entity is accessed. The historic execution information includes execution state information for at least one point in time in the historic execution the executable entity. Diagnostic code instruction(s) are identified, for instrumenting subject code instruction(s) of the executable entity. The subject code instruction(s) are virtually executed based at least on supplying the subject code instruction(s) with data from the historic execution information. While virtually executing the identified executable code instruction(s), the diagnostic code instruction(s) are also executed. The diagnostic code instruction(s) collecting diagnostic data regarding the virtual execution of the subject code instruction(s), or override at least one of a value or an execution behavior of the subject code instruction(s).

Abstract: Provided herein are systems and methods for an efficient method of replicating share objects to remote deployments. For example, the method may comprise modifying a share object of a first account of a data exchange into a global object wherein the share object includes grant metadata indicating share grants to a set of objects of a database. The method may further comprise creating, in a second account of the data exchange, a local replica of the share object on the remote deployment based on the global object, wherein the second account is located in a remote deployment. The set of objects of the database may be replicated to a local database replica on the remote deployment and the share grants may be replicated to the local replica of the share object.

Abstract: Various methods and systems for monitoring files in a computer system are provided. In this regard, aspects of the invention facilitate file monitoring without file handle use, as it pertains to file monitoring and tailing, thereby mitigating file handle locking conflicts. In various implementations, information for the monitored files is obtained from the kernel using a filter driver in the I/O path. When the filter driver detects write operations being performed on monitored files, file-write data is copied and placed in a kernel buffer, where it can be pulled by a user mode monitoring process and fed to a monitoring application. As such, there is no need for coordination between the monitoring process and the user mode processes of other third-party applications writing data to monitored files.

Abstract: A specialized computer file system for self-managing data storage resources provided as a service to remotely executed applications. The system includes a data storage device configured to store a plurality of data files in a non-relational data store. A storage server is configured to upload a data file to the data storage device to be stored with the plurality of data files. The storage server generate a file link associated with the data file. The storage server transmit the file link to the client application, wherein the client application transmits the file link to an end user. A maintenance server is configured to execute an erase operation to autonomously erase the at least one data file from the data storage device after the data file has been stored in the data storage device for a specified duration of time.

Abstract: Dynamic selection of data sources for streaming dynamic data is described. A data streaming service receives a dynamic selection of a data source after the data streaming service begins executing, the dynamic selection of the data source including an identifier of a host of a multi-tenant database and an identifier of a tenant of multiple tenants storing data in the multi-tenant database. The data streaming service streams dynamic data from the data source to a data destination.

Abstract: Embodiments create a clone of a PDB while the PDB accepts write operations. While the PDB remains in read-write mode, the DBMS copies the data of the PDB and sends the data to a destination location. The DBMS performs data recovery on the PDB clone based on redo entries that record changes made to the source PDB while the DBMS copied the source PDB files. This data recovery makes all changes, to the PDB clone, that occurred to the source PDB during the copy operation. The redo information, on which the data recovery is based, is foreign to the PDB clone since the redo entries were recorded for a different PDB. In order to apply foreign redo information to perform recovery on the PDB clone, a DBMS managing the PDB clone maintains mapping information that maps PDB source reference information to corresponding information for the PDB clone.

Abstract: A device includes processing circuitry configured to receive node data including attributes from at least one computing device, organize the node data into one or more node groupings, wherein each node grouping includes nodes of the node data having one or more shared attributes, determine a node grouping processing scheme based on one or more transient event detection priorities, and detect, in response to executing the node grouping processing scheme for each of the one or more node groupings, one or more transient event occurrences within the one or more node groupings.

Abstract: Embodiments incrementally refresh a clone of a source PDB while the source PDB accepts write operations. Specifically, refreshing the PDB clone incorporates changes made to the source PDB since a refresh reference time stamp, which marks the time at which the PDB clone was created or, if the PDB clone has been previously refreshed, the time at which the PDB clone was last refreshed. A PDB clone is incrementally refreshed by incorporating, into the PDB clone data, those source data blocks that have changed since the refresh reference time stamp. Recovery is performed on the PDB clone, once the blocks are copied, to apply any changes made to the source PDB while the blocks were being copied, which recovery makes the PDB clone files consistent. This recovery is based on redo entries recorded for the source PDB during the time it took to copy the blocks to the PDB clone.

Abstract: In one aspect, extent lock resolution for storage devices includes designating one of the storage devices as a lock winner, which takes priority over another storage device over a lock. An aspect also includes receiving a replication request issued, by a host during active/active replication, determining an extent of pages to be modified by the request, locking the extent in local storage device, and executing the request at the local device. An aspect also includes sending a write request to a remote device. If the remote device is the designated lock winner, and an attempt to lock the extent is unsuccessful, the remote device waits for the lock to become available. If the remote device is not the designated lock winner, and an attempt to lock the extent is unsuccessful, the remote device rejects the write request and sends a request to the local device to resend the write request.

Abstract: Certain aspects provide systems and methods of compacting data within a log-structured merge tree (LSM tree) using sharding. In certain aspects, a method includes determining a size of the LSM tree, determining a compaction time for a compaction of the LSM tree based on the size, determining a number of compaction entities for performing the compaction in parallel based on the compaction time, determining a number of shards based on the number of compaction entities, and determining a key range associated with the LSM tree. The method further comprises dividing the key range by the number of shards into a number of sub key ranges, wherein each of the number of sub key ranges corresponds to a shard of the number of shards and assigning the number of shards to the number of compaction entities for compaction.

Abstract: Real-time synchronization of data between disparate cloud data sources; local database receives data from various sources then supplies data to various destinations. A steady state database synchronization software module monitors local database for changes to data, reconciles any local change with changes to the same data in remote database, forwards reconciled data to a destination database, and monitors messages announcing that data in remote database has changed. Finally, the failsafe database synchronization software module polls the remote database periodically for changes, compares changes made to remote data and local data, outstanding changes are applied to local and remote databases as determined.

Abstract: Embodiments described herein are directed to enabling a user to modify data stored locally during a data migration process in which the user's data is being transferred to the cloud. For instance, a synchronization service requests the user's device (e.g., a client-based server) to provide a hash value for each data object maintained thereby (including modified data objects) and compares the hash values to hash values generated for the data uploaded to the cloud. If a hash value provided by the server does not match any of the hash values generated for the uploaded data, this means that the data object associated with the unmatched hash value has been modified since the initiation of the data transfer process. The synchronization service receives the modified data object from the server and uploads it to the cloud, thereby synchronizing the data uploaded to the cloud with the data locally-maintained by the server.

Abstract: A system includes determination of a component state tree of an application, determination of a node of the component state tree, where all child nodes of the node have been refactored to comprise an immutable model, determination of a consumer component associated with invalid access to a state of the node, and modification of the access to the state of the node by the consumer component.

Abstract: A data concurrency module maintains a delta chain for each record that stores the edits made to the flexible record over time. The delta chain stores the edits ordered by a version identifier. When the data concurrency module receives an edit to a record, the data concurrency module compares the version identifier associated with the edit with the most recent version identifier stored in the delta chain for that flexible record. If the version identifiers are different, then the data concurrency module merges the edit with all intervening edits in the delta chain, resolving any conflicts that result from the merging.

Abstract: A storage system includes processing circuitry configured to detect a file operation in a folder of a first storage, sequentially register information of files having undergone a change as a file replication processing target in a database, execute file replication processing to sequentially replicate each individual file of the files registered as the file replication processing target to a second storage, execute folder replication processing to replicate the folder to the second storage, in the folder replication processing, exclude a file belonging to the folder for the folder replication processing from the file replication processing target, and execute the file replication processing in parallel with the folder replication processing when the information of the file having undergone a change has been registered as the file replication processing target in the database during the folder replication processing.

Abstract: A distributed data storage system includes first and second data storage systems (DSSs) at respective sites and a cloud gateway at a third. The first DSS remotely mirrors data using synchronous and asynchronous channels both employing a block-based protocol (e.g., SCSI). The second DSS is connected to the synchronous channel to provide synchronous backup to the first DSS. The cloud gateway is connected to the asynchronous channel and has a cloud storage connection to a cloud storage system, the cloud storage connection using a wide area network interface and employing an object-based protocol. The cloud gateway (1) provides asynchronous backup to the first DSS via the asynchronous channel, and (2) uses the cloud storage connection to access object-based cloud data storage to store data of the asynchronous backup. The use of the cloud gateway and cloud storage system for an asynchronous third mirror enhances reliability/resiliency in a cost-effective manner.

Abstract: An apparatus is configured to generate a current snapshot set for a consistency group comprising a plurality of storage volumes subject to replication from a source storage system to a target storage system, and to schedule a differential scan of the current snapshot set relative to a previous snapshot set generated for the consistency group. For each of one or more snapshot trees maintained for the consistency group, a determination is made as to whether or not a first node corresponding to the previous snapshot set is an ancestor of a second node corresponding to the current snapshot set, and a manner in which an instance of the differential scan is performed for the snapshot tree is altered responsive to a result of the determination.

Abstract: Methods and systems for searching a frozen index are provided. Exemplary methods include: a method may comprise: receiving an initial search and a subsequent search; loading the initial search and the subsequent search into a throttled thread pool, the throttled thread pool including; getting the initial search from the throttled thread pool; storing a first shard from a mass storage in a memory in response to the initial search; performing the initial search on the first shard; providing first top search result scores from the initial search; and removing the first shard from the memory when the initial search is completed.

Abstract: A database which receives input from a data streaming application may include in-flight streamed data within the scope of a command which alters database data. Preferably, the streaming application produces data tuples for input to at least one table of the database. A user submitting modify data commands to apply to multiple tuples meeting some specified logical parameters may define the command scope to include in-flight data in the streaming application, causing the database manager to forward the command to the streaming application. A streaming application manager invokes database agents in respective nodes of the streaming application, which identify in-flight data meeting the specified logical parameters of the command, and apply the modify data operation to such data.

Abstract: A computer-based method and system for sharing and deconflicting data changes amongst a plurality of replication sites. In a particular embodiment, data changes at sites to data objects are tracked by each site on a per-data object basis using per-data object version vectors. In another particular embodiment, data changes at sites to links connecting two data objects are tracked by each site on a per-link set basis using per-link set version vectors. In another particular embodiment, per-object version vectors are used to detect a conflict resulting from concurrent changes at two or more sites in which one of the concurrent changes includes an object resolution change.