12results about How to "Reduce migration time" patented technology

The invention relates to the technical field of archive management, in particular to an archive digitization full-process standard management system, which comprises a project identification module used for obtaining effective project information; the project generation module is used for generating archive project information and archive project nodes; the team generation module is used for generating an archive project team and a target archive project; the association identification module is used for identifying associated archive items; the migration judgment module is used for judging the migration necessity of the associated file project; the migration execution module is used for executing the migration scheme; the migration optimization module is used for optimizing the execution process of the migration scheme; and the management repair module is used for repairing the target archive project in the archive management process. According to the invention, digital full-process standard management is carried out on the archives, intelligent association of automatic optimization identification, dynamic restoration and archive management processes is realized, and the archive management efficiency is improved.

The invention discloses a data migration method and device, equipment, a storage medium and a computer program product, and relates to the technical field of data migration, and the method comprises the steps: carrying out the slicing of transaction data in an original database based on the features of a to-be-migrated demand side, and obtaining the sliced data; dividing the slice data according to the data size of storage resources occupied by the slice data in the original database to obtain gray scale batch data and formal batch data; and after the correctness of the migration process is verified through the gray scale batch data, migrating the formal batch data from the original database to the target database in batches. The data migration time is shortened.

The embodiment of the present invention discloses a data migration method and device, which relates to the field of computer technology. A specific implementation of the method includes: constructing a data migration task, the data migration task indicates a target database; obtaining at least two data to be migrated from a source database; dividing the at least two data to be migrated into blocks to form at least two data blocks; according to the at least two data blocks, using one or more threads corresponding to multiple instances in the distributed cluster to execute the data migration task, so as to migrate the data to be migrated corresponding to the at least two data blocks to the target database. This implementation adopts a distributed cluster with multiple instances and multiple threads to execute the data migration task, thereby realizing high-concurrency and high-throughput data migration, thereby shortening the migration time and improving the migration efficiency.

The invention relates to the field of battery materials, in particular to a lithium ion battery which comprises a positive pole piece, a negative pole piece, electrolyte and a diaphragm located between the positive pole piece and the negative pole piece, the electrolyte comprises boron-containing lithium salt, based on the total mass of the electrolyte, the mass percentage of the boron-containing lithium salt is 2wt%-10wt%, and the mass percentage of the diaphragm is 10wt%-10wt%. The diaphragm comprises a base film and a gluing layer located on at least one surface of the base film, and the coverage rate of the gluing layer is 5-70%. The boron-containing lithium salt has a relatively large anion volume, so that surface charges of anions can be delocalized, dissociation of the lithium salt is facilitated, and the conductivity of the electrolyte and the transference number of lithium ions are improved. Meanwhile, a large number of fluorine elements in the boron-containing lithium salt can stabilize the lithium supplement agent material and reduce the oxidation of the electrolyte. The gluing layer can improve the bonding force between the diaphragm and the positive pole piece, shorten the migration path of lithium ions and shorten the migration time of the lithium ions; meanwhile, the gluing layer can weaken diffusion of large-volume anions.

This invention relates to a method and apparatus for storage pool scaling and recovery in a distributed storage system. The method includes the following steps: obtaining a scaling request; setting the storage pool to maintenance mode; determining whether the current storage pool meets the conditions for allowed scaling; if so, performing the scaling operation; if not, sending an operation failure signal; after completing the scaling operation, all storage nodes in the storage pool, based on the updated cluster view, use a two-layer consistent static hash ring distribution algorithm to complete data rebalancing. Compared with existing technologies, this invention maintains the availability of data replicas / shards throughout the scaling process, thereby preventing storage pool degradation and minimizing the impact of data migration on front-end read / write requests.

This invention discloses a method for deduplicating multi-virtual machine hot migration data in a cloud computing environment, belonging to the field of cloud computing technology. The specific steps include: continuously learning from virtual machines in a test environment to master a certain level of virtual machine memory data hash digest->value pairs based on the operating system image ID, and understanding the data hit rate; and importing the data learned from the test environment into a migration cache server to complete the deduplication of multi-virtual machine hot migration data. This invention can effectively reduce virtual machine hot migration time, while reducing the pressure of virtual machine migration on the business network and mitigating business risks for other cloud hosts.

The invention discloses a memory pre-copying method based on prediction, belongs to the field of Internet cloud computing application, and solves the problems that the page is repeatedly retransmitted and the migration time of a virtual machine is too long because the existing method cannot accurately predict whether the page of the virtual machine becomes dirty or not in a pre-copying stage. According to the method, whether the memory page becomes dirty or not is predicted by using the Markov prediction model and the concept of the relative dirty page rate, and a decision is made on when to migrate the memory page according to the predicted value. According to the method, the memory pages needing to be migrated in the pre-copying stage can be greatly reduced, so that the migration time of the VM is greatly shortened.

The invention relates to the technical field of artificial intelligence, can be applied to the technical field of big data, and discloses a partition migration method, device and equipment and a storage medium. The method comprises the steps that a data source is connected, and incremental data is acquired from the data source; obtaining a target partition field in the incremental data, obtaining a metadata table in the data lake, and obtaining an initial partition field stored in the metadata table; when the target partition field and the initial partition field meet a preset condition, obtaining an initial partition; acquiring a data record stored in the initial partition; based on the target partition field and a preset updating mode, updating the data record to obtain an updated data record; and obtaining a target partition corresponding to the target partition field, and migrating the updated data record from the initial partition to the target partition. According to the method, the migration efficiency of the data records stored in the initial partition is improved, and the supporting capacity of the data lake for frequently-changed scenes is also improved.

The invention discloses a distributed data table migration method and device, equipment and a medium. The method comprises the following steps: cutting source table data to obtain a plurality of sub-files; sampling the sub-files according to a sampling proportion to obtain sampling data; fragmenting the sampled data by adopting a fragmentation rule and a fragmentation key of the target data table to obtain a target fragmentation proportion of the sub-files; determining a target file proportion queue of the sub-files from the candidate file proportion queues according to a target fragment proportion based on the fragment proportion associated with the candidate file proportion queues, and storing the sub-files in the target file proportion queue; according to the candidate file proportion queue, the data capacity of the sub-files, a first migration queue and a second migration queue, selecting the sub-files from the candidate file proportion queue and moving the sub-files to the first migration queue; and storing the sub-files in the first migration queue in a target data table in parallel. According to the embodiment of the invention, the data migration efficiency is improved.

The present invention relates to the field of archive management technology, and in particular to a digital archive full-process standard management system, including a project identification module for obtaining effective project information; a project generation module for generating archive project information and archive project nodes; a team generation module for generating archive project teams and target archive projects; an association identification module for identifying associated archive projects; a migration judgment module for judging the necessity of migration of the associated archive projects; a migration execution module for executing the migration plan; a migration optimization module for optimizing the execution process of the migration plan; and a management and repair module for repairing the target archive project in the archive management process. The present invention realizes automatic optimization and identification, dynamic repair, and intelligent association of archive management processes by digitalizing the archives in a standardized manner, thereby improving the efficiency of archive management.

The application discloses a method and device for realizing strong consistency synchronization of an Elasticsearch cluster, and the method comprises the following steps: writing data into a master shard of a master index to which a document belongs; after the data is written successfully, sending a write request to a node where a master shard of a slave index to which the document belongs is located, regarding the master shard of the slave index as a remote copy of the master shard of the master index, writing data into the remote copy, and realizing real-time data synchronization; the master shard of the master index sends a segment file which has been landed on a disk to the remote copy, and analyzes storage information of actual data in the segment file; the master shard of the master index sends a translog log which has not been landed on a disk to the remote copy, so that the remote copy is restored to a data state consistent with the master shard, and historical data recovery is realized. The method and device copy indexes in a remote cluster to a local cluster, ensure strong consistency of master-slave data, provide high availability and fast disaster recovery capability, and realize uninterrupted inter-cluster index migration.

The application provides a data migration method and device, electronic equipment, a storage medium and a program product, relates to the technical field of data storage, and the method comprises the following steps: firstly, monitoring a file list in an object storage service of source data, determining an incremental file index, and the file list comprising file identifiers of files stored by the object storage service; the incremental file index comprising file identifiers of incremental files in the file list; then, reading incremental data corresponding to the file identifiers of the incremental files from a source data address, and writing the incremental data into a target data address. In the embodiment, the incremental data can be quickly identified and migrated to the target data address by monitoring the file list, the data migration time is reduced, and the high timeliness requirement of data migration is met.