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

The invention provides a data de-duplication method for combining the similarity and the locality of data, with less system memory expense and high data de-duplication efficiency. The method comprises the steps of: firstly partitioning and grouping files in a data stream, determining a similarity unit and a representative fingerprint of every data group, and storing the representative fingerprint in a memory; and traversing all the data groups and performing a similarity determination to determine which data in data groups are completely duplicate data and which data in data groups have non-duplicate data. If the non-duplicate data exists in the data groups, the locality determination can be continued to further determine which data in the data groups is the duplicate data. According to the method, the representative fingerprint is only stored in the memory, thus the memory expense is greatly reduced; supplement can be performed after the similarity determination by mining the locality of the data stream and caching the locality of the data stream in the memory, thus more duplicate data can be found, and simultaneously, frequent access to a disk index can be avoided and the utilization rate of the memory can be enhanced.

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 embodiment of the invention provides a file management method, an expired file deletion method and devices. The method includes a step of obtaining meta information of a file stored in a cloud storage system, wherein the meta information at least includes a file creation time, a user ID and a file name, and the file creation time belongs to a time accurate to a predetermined time precision, astep of storing the meta information in a first data table, wherein the first data table is provided with a primary key which includes a first target column and a second target column, the first target column is used for storing the file creation time, the second target column is used for storing a file identifier determined based on the user ID and the file name, a step of sorting the current first data table with a data sorting sequence of sorting according to the first target column and then sorting according to the second target column. According to the technical solution provided by the embodiment of the invention, the burden on a user can be reduced, and the deletion efficiency of an expired file is improved.

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 invention discloses a method for acquiring a service from a workflow system, which can be used for lowering the cost and enhancing the reliability of the system and has high running efficiency. The method for acquiring the service comprises the following steps of: 1, searching a corresponding service list from a first hash table according to the identification code of a participant; 2, obtaining a service number from the service list and deleting the service number from the service list; 3, searching and judging whether the service number exists in a second hash table, if so, 3.1, returning a service pointed by the service number to the participant, updating the service number in a database table into an acquired state, deleting the service number from the second hash table and exiting a service acquiring process, or otherwise, 3.2, repeating the steps 2 and 3 until the service is acquired or returning unavailable service for acquiring to the participant when no service can be acquired after all service numbers of the service list are obtained, and exiting the service acquiring process.

The invention discloses an image management device. The image management device comprises a calculation module, a determination module and a processing module, wherein the calculation module is used for calculating an image deletion index of each image according to an image management parameter corresponding to each image stored by a mobile terminal, the determination module is used for respectively comparing the image deletion index of each image with a preset threshold so as to determine an image to be deleted, the image deletion index of the image to be deleted is larger than the preset threshold, and the processing module is used for deleting the image to be deleted which is determined. The invention also discloses an image management method. By the image management device, the image deletion 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 embodiment of the invention provides an object deletion method and a terminal, relates to the technical field of electronic terminals and can solve the problem in the prior art that a picture deletion operation step is complex. The method comprises the following steps that: the terminal receives a first gesture operation instruction; the terminal determines whether a gesture indicated by the first gesture operation instruction is a preset deletion gesture or not, wherein the deletion gesture is used for indicating an object in the deletion terminal, and the trajectory of the preset deletion gesture comprises a contact which generates a continuous trajectory, the trajectory meets at least one of prediction conditions, and the preset condition comprises that: an included angle between the trajectory and the screen boundary of the terminal is greater than or equal to a first preset threshold value; operation speed corresponding to the trajectory achieves a second preset threshold value; touch dynamics corresponding to the trajectory achieves a third preset threshold value; if the trajectory meets at least one preset condition, the terminal determines an object to be deleted, the object to be deleted is segmented into at least two parts, and the at least two segmented parts are displayed in the user interface of the terminal.

The invention discloses an aggregate big file deletion method. The method comprises the steps of scanning an aggregate big file in an aggregate directory, and when the size of an invalid storage spaceis greater than a preset space threshold, adding the aggregate big file corresponding to the invalid storage space to a cleaning queue; according to identifiers corresponding to small files in the currently cleaned aggregate big file, judging whether the small files are to be reserved or not, and after the to-be-reserved small files are determined, writing the to-be-reserved small files in a newaggregate file; and when all the small files are traversed, deleting data in the aggregate big file and moving the aggregate big file out of the cleaning queue. When the size of the invalid storage space of the aggregate big file is greater than the preset space threshold, the to-be-reserved small files in the currently cleaned aggregate big file are written in the new aggregate file, then the aggregate big file is deleted, and the disk space is released, so that the disk utilization rate is increased. The invention furthermore discloses an aggregate big file deletion apparatus and device, anda computer storage medium.

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 invention provides a method and device for deleting the content of user equipment and the user equipment. The method comprises the steps that an indication input by a user for deleting the screen display content is detected; whether the screen display content before a cursor or the screen display content after the cursor is deleted according to the indication input by the user for deleting the screen display content; the screen display content before the cursor or the screen display content after the cursor is deleted according to a determination result. The corresponding device and the user equipment are further provided. According to the technical scheme, the content deletion efficiency can be effectively improved.

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 database read-write method for mass performance data of a network management system. The method is characterized in that when a database is established, a partition data table is defined for storage of the data, partitioning is performed by date with days being granularity, and a partition table maintenance component is used for increasing a new partition and deleting an overdue partition; when the data is written in, the database allocates the data into different partitions according to a defined partition range, and the data is subjected to format compression first and then written into the database; when the data is read, the data is filtered from multiple partitions in parallel, and after format decompression is performed, a result is returned to the network management system. According to the technical scheme, the database read-write efficiency can be improved under the mass performance data by scattering data storage, lowering the data reading size and increasing the data reading parallelism degree.

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 deleting control method and device for an intelligent television text, wherein under the state that a simulation keyboard is called out, the method comprises the steps of receiving and analyzing a first control signal; if the first control signal indicates that a delete key on the simulation keyboard obtains an operation focus, moving the operation focus to the delete key; receiving and analyzing a second control signal; in the second control signal indicates that the delete key on the simulation keyboard is triggered to delete characters on a textbox, judging whether the triggering of the second control signal accords with a preset rule, wherein the preset rule defines conditions for deleting all or part of the characters correspondingly; if the judging result is yes, performing the delete operation on the characters of the textbox. The deleting efficiency of a character string is improved by the deleting control method for the intelligent television text, and the user experience of an intelligent television is improved.

The invention discloses a netted multilevel index matching method for publishing and subscribing, and belongs to the field of information technology processing. According to the method, an improved netted multilevel index structure is proposed for the problem that full-table scanning is needed when subscribed items of a user are deleted in an existing multilevel index matching algorithm, the subscribed items can be locked with link table header pointers of the subscribed items and then deleted under the condition that the indexing efficiency is ensured, full-table scanning of multilevel indexes in the deleting process is omitted, and thus the index deleting efficiency is improved; multiple subscribed items corresponding to subscribed item attributes are defined with a doubly-linked table, identical subscribed items in the indexes are connected, and thus the index maintaining efficiency is improved; indexes are established in levels for operate operators and attribute subscribed items respectively, querying conditions can be rapidly pruned and filtered, and thus the index querying and matching efficiency is improved.

The invention provides a data cleaning method and device, equipment and a storage medium. The method is applied to NAS (Network Attached Storage) equipment, file metadata and directory metadata of each piece of file data in connected cloud storage equipment are stored in the NAS equipment, the file metadata is used for describing the file data, and the directory metadata is used for describing a directory to which the file data belongs. The method comprises the following steps: receiving an expiration time point sent by cloud storage equipment, wherein the expiration time point is sent after the cloud storage device cleans the expiration file data according to a set cleaning period, and the expiration time point refers to the time point for cleaning the expiration file data; clearing the expired file metadata stored in the device according to the expired time point, and clearing the expired directory metadata stored in the device according to the expired time point after clearing the expired file metadata stored in the device is completed. Data cleaning efficiency is improved.

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.