110results about How to "Improve deletion efficiency" patented technology

The invention provides a fuzzy matching-supporting cloud storage data dereplication method. The method comprises the steps of firstly reading file content; secondly, calculating file metadata; thirdly, judging whether the blocking conditions are met; fourthly, calculating fuzzy Hash values; fifthly, compressing the fuzzy Hash values; sixthly, calculating the indexing similarity; seventhly, comparing the fuzzy Hash values; eighthly, judging whether there are replicated data block Hash values; ninthly, performing block-level file ownership certification; tenthly, sending non-replicated data block serial numbers and uploading non-replicated data blocks. The method solves the problems in the prior art complete files are uploaded and stored, each file is subjected to equal-length division according to the bit string length, and replicated data cannot be identified for files with similar content and misaligned heads and tails, reduces the overhead for network uploading bandwidth and server storage space and increases the replicated data deletion rate.

The embodiment of the invention provides a snapshot management method and device, and relates to the field of computers. The snapshot management method and the device can be applied to the unified management of a directory snapshot and a file system snapshot, and can be used for solving the problems that the rollback of the directory snapshot is difficult to implement, and the detection of the directory snapshot is high in complexity and low in efficiency. The snapshot management method comprises the following steps: acquiring a snapshot management instruction, and carrying out the corresponding snapshot management operation on the snapshots in the types of the file system snapshot and the directory snapshot in a snapshot management linked list and the block modification log linked list according to the snapshot management instruction and by using the directory snapshot mapping list in combination. The embodiment of the invention is applied to the management of the file system snapshot and the directory snapshot.

The invention relates to a gene deletion system for the security control of transgene monocotyledon, comprising two homodromous loxP and FRT fused specificity recognition sites loxP-FRT, wherein a section of multiple clone site sequence for inserting a target gene to be led in plant is contained between the two specificity recognition sites. The gene deletion system can completely delete foreign genes in a specific plant organ by a plant expression vector which is formed by leading a monocotyledon tissue-specific promoter sequence, and can achieve the deletion efficiency of 99.8 percent, thereby being used for preparing the safe transgene monocotyledon.

The invention provides a method and device for processing small files. With reference to processing of data de-duplication of massive small files, the small files are integrated into a large file, then the integrated large file is partitioned, in the partitioning process, if a data block which is partitioned at present contains the tail of any one small file, the tail of the small file is used as the ending position of the current data block partitioning according to needs, and after the integrated large file is partitioned, operation like repeating data searching is carried out. Efficiency of data de-duplication of the small files is improved.

The invention provides a method and system for deleting data files in order to solve the problems that in the prior art, when the number of deletable data files is overlarge, it cannot be guaranteed that deleting operations are carried out normally and deleting efficiency is low. The method includes the steps of determining deleting conditions and searching for data files meeting the deleting conditions; judging whether the number of the data files meeting the deleting conditions is larger than or equal to a preset deleting threshold value or not; returning to the step of searching for the data files meeting the deleting conditions after deleting conditions are increased if the number of the data files meeting the deleting conditions is larger than or equal to the preset deleting threshold value; the data files are deleted if the number of the data files meeting the deleting conditions is not larger than or equal to the preset deleting threshold value. According to the method and system, the situation that the deleting operations cannot be carried out normally when the number of the deletable data files is overlarge is avoided, and deleting efficiency can be improved.

The invention discloses a method for data deletion in batch in an ORACLE database, which has the following steps: A. a where condition for retention data is analyzed according to deletion conditions; B. an exp command is used for exporting retention data meeting the where condition in a compression way; C. the original table is cleared; and D. the retention data is exported back to the database. In step C, the original table is cleared in the way of a drop original table and a truncate original table, compression of high water line and recovery of database table space can be realized. The method deletes data in batch under the conditions of batch data, has high deletion efficiency, performs disk efragmentation in the data table, and completes the compression operation of the high water line in the process of data deletion in one step without any additional database operations.

The embodiment of the invention discloses a snapshot deleting method and a node, and relates to the technical field of storage. The snapshot deleting method includes the steps that at least two obtained snapshot logs are divided by management nodes into at least one snapshot log set, wherein all snapshot logs in each snapshot log set have the same attribute, different snapshot log sets comprise different snapshot logs, the snapshot logs are used for recording differences between copies before objects are modified and objects after modifying, and the copies before the objects are modified are objects output after snapshots of the objects are established; the management nodes send all the snapshot logs of the snapshot log sets to a same storage node. It is avoided that when the multiple snapshot logs are sent to the same storage node, the storage node needs to be frequently accessed, burdens when the snapshot logs are frequently sent by the management nodes are reduced, burdens when the storage node frequently receives the multiple snapshot logs are reduced, and the snapshot-log sending efficiency is improved.

Embodiments of the invention disclose a method for deleting backup data. The method comprises the following steps of obtaining the backup data of a mobile terminal, wherein the backup data comprises multiple data types of various backup data; classifying the backup data to obtain sub-backup data corresponding to the multiple data types according to the data types; and when obtaining a deleting instruction of the backup data, obtaining a deleting way set by a mobile terminal user; and carrying out bulk deletion on the corresponding backup data in each piece of sub-backup data obtained through classification according to the deleting way, wherein the deleting way comprises at least one of deletion according to the backup time, deletion according to the data type and deletion according to the data usage frequency. The embodiments of the invention further disclose a mobile terminal. Through adoption of the invention, the operating steps of detecting the backup data can be simplified, and the efficiency for deleting the backup data and the user experience are improved.

The invention discloses a file deleting method and an apparatus thereof, which are used for solving the problems of mechanization of the deleting process, non intelligence, long time consumption and long deleting efficiency in the prior art.. The method comprises: after unloading an application , sending an identification of the application to a cloud server; receiving a relevant file storage path of the application, which is returned by the cloud server according to the identification of the application; and deleting a relevant file of the application according to the relevant file storage path of the application. According to the technical scheme provided by the invention, the deleting process is intelligentized, needed time is short, faster, simpler and more convenient deleting is realized and deleting efficiency is improved.

The invention relates to a user permission management method and device, computer equipment and a storage medium. The method comprises the following steps: receiving an authority deletion request sentby a terminal, wherein the authority deletion request carries a user identifier and an authority to be deleted; obtaining a preset deletion permission set corresponding to the user identifier, and judging whether the permission to be deleted belongs to the preset deletion permission set or not; if yes, acquiring a corresponding role set according to the user identification, and roles in the roleset are single-permission roles corresponding to the user identification; and deleting the to-be-deleted role corresponding to the to-be-deleted permission from the role set to obtain a deleted role set, and obtaining a first target permission corresponding to the user identifier according to roles in the deleted role set. The permission to be deleted can be quickly deleted, and permission management efficiency is improved.

The invention discloses a distributed data deletion flow control method. The distributed data deletion flow control method comprises the following steps: adding a data deletion request to a configuredprocessing queue when receiving the data deletion request sent by a client, and returning information that the data deletion is successful to the client; obtaining a data deletion request in the processing queue every other preset time period; determining index information of the corresponding data to be deleted according to the data deletion request; storing the index information of the data tobe deleted into a configured database; obtaining a flow control threshold corresponding to the current statistical period in the deletion period; and deleting the data corresponding to the index information in the database base on the flow control threshold corresponding to the current statistical period. The invention also provides a distributed data deletion flow control device, an electronic device and a storage medium. The invention can improve the data deletion efficiency of a large-scale distributed storage system and avoid an obvious impact on the normal input and output service performance, which has a good flow control effect.

Embodiments of the present invention relate to the field of information technologies, and disclose a data processing method and terminal. The method comprises: when the terminal is in a screen-off state or a screen-locking state, receiving, by the terminal, a touch operation on a touch screen; determining whether an operation instruction corresponding to the touch operation is an information deletion instruction of a preset contact; and if yes, deleting information of the preset contact in response to the information deletion instruction. According to the data processing method and terminal, a user can directly delete the information of the preset contact when the terminal is in the screen-off state or the screen-locking state, so as to reduce the user operation, thereby improving deletion efficiency for terminal contact information and enhancing user experience.

The embodiment of the invention provides an information processing method and device and a mobile terminal. The method comprises the steps of judging whether a verification code is contained in a short message received by the mobile terminal or not; if the verification code is contained in the short message, identifying valid duration of the verification code according to the short message; and deleting the short message when the valid duration of the verification code reaches. According to the embodiment of the invention, the short message containing the verification code can be deleted according to the valid duration, so a user does not need to delete the short message containing the verification code manually, the operation cost of deleting the short message containing the verification code is reduced, and the deletion efficiency is improved.

The embodiment of the invention provides an application program deletion method and a terminal device, which relate to the technical field of communication, and are used for solving the problems thatthe existing application program deletion method is too complicated and the efficiency is low. The method comprises the following steps of: receiving a first input of a user when N application programicons are displayed on a first interface; displaying a deletion window on the first interface in response to the first input; receiving a second input from the user; in response to the second input,deleting a target application icon and an application corresponding to the target application icon in a case where the deleting window overwrites N application icons, the target application icon beingat least one of the N application icons; Where N is a positive integer and M is less than or equal to N.

The invention discloses a method for deleting associated metadata based on a flash memory array, after the first metadata is inserted into memory, in response to an instruction to insert the second metadata,depending on whether the first metadata is in memory, or the associated metadata is marked as an item to be deleted, or the first metadata is deleted when the metadata is brushed to the flash memory array, when the associated metadata is brushed to the flash memory array, if the associated metadata is marked as an item to be deleted, or the metadata corresponding to the associated metadatahas been deleted, the associated metadata is deleted. Therefore, the method can determine whether to delete the associated metadata only according to whether the associated metadata is marked as deleted items or whether the corresponding metadata is deleted when the associated metadata is brushed under the flash memory array, thereby avoiding occupying a large amount of memory space and improvingthe deletion efficiency. The invention also provides an associated metadata deleting device, a device and a computer-readable storage medium based on a flash memory array, the functions of which correspond to the method.

The invention provides a rule engine system optimization method and device, computer equipment and a storage medium, and the method comprises the steps: constructing a rule syntax tree for rule conditions of a rule engine; establishing a Rete network on the basis of the rule syntax tree through a Rete algorithm according to rules in the rule base; the rule engine performs conditional rearrangementprocessing on the rules in the rule base; index information is added in the fact object adding process of the working memory; when the fact object of the working memory is deleted, reverse operationis conducted on the fact object adding process according to the index information, and the fact object is deleted. The method has the beneficial effects that the rule syntax tree is constructed for the rule condition of the rule engine so that the additional splitting overhead can be reduced, the complexity of the Rete network is reduced, the index information is added in the fact object adding process of the working memory, and the deleting efficiency can be effectively improved when the fact object is deleted.

The present invention discloses a duplicated data deleting method and apparatus, which are applied to the technical field of data processing. According to the present invention, programs stored in a storage are called by a processor; data to be processed is partitioned into a plurality of data streams, so that a hardware accelerator can simultaneously and respectively calculate identification information of data blocks which the data streams comprise; and then the processor, according to the identification information, carries out duplicated data deleting processing. The duplicated data deleting apparatus disclosed by the present invention can partition the data to be processed into a plurality of data streams so as to carry out processing of deleting duplicated data on the data streams in parallel, and thus, efficiency of deleting the duplicated data can be improved. In addition, according to the present invention, partial functions in the duplicated data deleting process are realized by adopting a hardware structure instead of calling software of the programs, so that efficiency of the duplicated data deleting process can be effectively improved.

The invention discloses a database data deletion method and device, electronic equipment and storage medium. Data in a database is stored in a key value pair way. The method comprises the following steps that: receiving a data deletion request, wherein the data deletion request at least carries a data key; obtaining a data size contained in a data value corresponding to the data key; judging whether the data size contained in the data value exceeds a first preset quantity of threshold values or not; and if the data size contained in the data value exceeds the first preset quantity of threshold values, submitting the data deletion request to a background to carry out deletion processing for multiple times. Therefore, during deletion, the problems of blockage, database crash and the like due to the deletion of a big data size can be avoided.

The invention provides a message processing method and a device, belonging to the network technical field. The method comprises: receiving a first message deletion request sent by the user containingat least the ID of the second client belonging to the target group by a first client; according to the first message delete request, sending a second message deletion request to the server, so that the server deletes the request according to the second message, sending a deleting instruction carrying at least one target message ID to at least two third clients in the target group, to indicate eachthird client to delete the destination message corresponding to each destination message ID according to the delete instruction. In this way, when a negative message appears in the target group, other users can reduce the operation of deleting it manually. The first client sends a second message deletion request to the server, so that the third client can delete the received negative message actively through the server, thereby simplifying the operation process and improving the deletion efficiency.