44results about How to "Reduce query latency" patented technology

The invention discloses a method, log server and system for recording log data. The method comprises that log data obtained according to the log obtaining condition forms a log set; a data storage server for storing the log set is determined; the log set is stored in the data storage server, and a data sheet of the log set is generated in the data storage server; and after all log data of the log set is introduced into the data sheet, an index is created for the data sheet of the log set. According to the method, log server and system, the storage speed of log data can be improved, a network platform can timely record a lot of log data that is generated in a short time, data loss is prevented, and delayed query time can be shortened.

Systems and methods which provide secure queries with respect to encrypted datasets are described. Embodiments provide privacy-assured similarity join techniques operable with large-scale encrypted datasets. A privacy-assured similarity join technique of embodiments enables a storage system to answer similarity join queries without learning the content of the query dataset and the target dataset. One or more secure query schemes may be implemented in accordance with a privacy-assured similarity join technique herein. For example, embodiments may utilize an individual similarity query scheme, a frequency hiding query scheme, and/or a result sharing query scheme. A particular secure query scheme of the foregoing secure query schemes may be utilized to address different considerations with respect to security, efficiency, and deployability with respect to various applications and scenarios with different requirements.

In order to solve various performance and security problems like querying delay, update delay, and vulnerability to DoS attack and the like in the existing domain name parse system, the invention brings forward a novel domain name parse service model that is capable of realize incremental deployment, is compatible with the existing DNS, and has the good performance. To be specific, the invention relates to a content-distribution-network (CDN)-based domain name parse service model. The core concept of the model design is as follows: CDN network node server systems that are distributed widely form a system. On the basis of the content distribution and storage mechanism of the CDN network, authoritative DNS records all domain names are distributed at the node servers that are distributed widely by a pushing way. The DNS records are distributed by using the CDN architecture. The authoritative DNS records are distributed to all node servers; all node servers replace a domain name parse system and a domain name server in the existing DNS architecture to response to a domain name parse request of a user and provide a domain name parse service; and the query result is returned to the user directly by a network node server.

The invention relates to a hybrid storage system based on multidimensional data similarity and a data management method thereof. The hybrid storage system is composed of an upper layer memory unit (3), a middle layer cache unit (2), a lower layer storage unit (1) and a control unit (4). The upper layer memory unit (3) is used for storing system data and data index tables which are frequently accessed in all storage layers. The middle layer cache unit (2) is used for storing part of data which are frequently accessed, and the lower layer storage unit (1) is used for storing all data sets. The control unit (4) is used for being connected with the upper layer memory unit (3), the middle layer cache unit (2) and the lower layer storage unit (1) through I/O ports to constitute the hybrid storage system of a multi-layer storage structure. The invention further discloses the data management method of the hybrid storage system. According to the hybrid storage system based on multidimensional data similarity and the data management method thereof, the accessed speed can be improved, corresponding data can be quickly searched and sought in the accessing process, data access delay is reduced, the data processing efficiency can further be improved, and a request throughput capacity is improved.

The embodiment of the invention provides a data processing method and related equipment, which can improve the query efficiency of Internet of Things equipment data and reduce the query time delay. The method comprises the steps of obtaining a structured query language (SQL) statement, wherein the SQL statement is an SQL statement corresponding to target equipment; preprocessing the SQL statementto obtain a target SQL statement; querying a target edge database according to the target SQL statement to obtain target data corresponding to the SQL statement, the target edge database being one ofat least two edge databases corresponding to a cloud server, and the target device corresponding to the target edge database; generating a target query result corresponding to the SQL statement according to the target data; and outputting the target query result.

The invention belongs to the Internet technology field and especially relates to a processing method of inexistence domain name query in a DNS. The method comprises the following steps that an NSEC or NSEC3 resource record is cached in a recursive server; a forwarding server acquires and caches the NSEC or NSEC3 resource record from the recursive server; when a user continuously inquires a determined inexistence domain name in the NSEC or NSEC3 resource record, the recursive server or the forwarding server directly returns an NXDOMAIN message to the user according to information of the NSEC or NSEC3 resource record. By using the method, query time delay of the inexistence domain name can be reduced; a query frequency of an authoritative server of the domain name can be decreased and resource consumption of the authoritative server is reduced; a lot of inexistence TLD query can be avoided; and a Water Torture problem can be well solved and does not generate an influence on the authoritative server.

The invention discloses a domain name querying method, an IP (Internet Protocol) grouping method, device and equipment, belonging to the technical field of networks. The method comprises the following steps of: acquiring a first IP address; querying whether the first IP address is contained in a global IP resource pool, wherein the global IP resource pool comprises at least one IP group and a domain name corresponding to each IP group, and each IP group is determined by at least one IP address; and when the first IP address is queried, taking the domain name corresponding to the IP group to which the queried first IP address belongs as a domain name of the first IP address. According to the technical scheme provided by the invention, when the domain name of the IP address is queried, the domain name of the first IP address can be determined according to the group to which the determined IP address in the global IP resource pool belongs and the domain name corresponding to the group by providing the preset global IP resource pool, and thus the querying performance of the domain name can be improved and querying delay is shortened.

The invention discloses a key value separation storage method and system for delayed garbage collection based on an LSM tree, and belongs to the field of computer storage. The method comprises the following specific steps: S1, packaging key value data into key value entries by an upper-layer application, and writing the key value entries into a key value file according to logic blocks for persistent storage; S2, querying a skip list in a memory and a 0-layer sorting character string list in an index module; and S3, enabling the upper-layer application to call a garbage collection interface of the key value storage system for separated storage. According to the method and system, the LSM tree is optimized by adopting a key value separation idea, the query delay is reduced by virtue of an index module, the garbage collection efficiency is improved by adopting a statistical preposition means, and unnecessary resources in a service peak period are reduced by utilizing a delayed garbage collection mechanism; the integrity of the key value storage system in the scene of frequent random reading in the processes of batch writing, rapid deletion and transient storage is improved, and the overall efficiency of the consensus module of the distributed storage system is optimized.

The invention discloses a peer-to-peer (P2P for short) network resource search optimization method based on node proximity estimation. The method combines a hybrid hierarchic P2P network topologic structure, and is mainly used for optimizing the P2P network resource search process, and solving the problems of mismatch between logic topology and physical topology the P2P network, node heterogeneity and the like. Considered that under general situations, each host computer usually chooses connection to a physically proximal domain name resolution server, based on that, the cosine similarity theory formula is adopted to divide the host computers with the same or similar domain name resolution servers into a P2P cluster, and when the P2P technology is applied to search and download resources, the resources in the local cluster or the physically proximal resource nodes are selected as far as possible, so as to reduce unnecessary flow generated in the domain or the backbone network, the resource search efficiency is improved, and the P2Pflow optimization is promoted.

The invention discloses a query statistic-based guidance searching method for a P2P system. The method comprises the following steps: (1) establishing a statistic guidance table SGT; establishing a 'statistic guidance table' with a double layer structure based on history query statistics and semantic analysis results, wherein only a history queried currently is saved in an upstream table entry, and is ranked according to query time; and node information and advantage factors which respond to the current query or similar query are saved in an downstream table entry; (2) querying files by usingthe statistic guidance table, and performing querying by using information in the SGT according to the semantic dependency of the current query and SGT history query after the statistic guidance tableis established by nodes; automatically starting an underlying query strategy if the history saved in the SGT has little dependency with the current query; and (3) adaptively updating the statistic guidance table, including two methods, namely active updating and passive updating, wherein the passive mode takes place after the node forwards a query request.

The invention discloses a data persistence distribution method of a cloud computing platform, which comprises the following steps: step 1, obtaining data storage requirements of a target end through adistributed information queue; step 2, obtaining data storage requirements of the target end through a distributed information queue; step 3, obtaining data storage requirements of the target end through a distributed information queue; 3, sending the processed data to be distributed to the distributed file system; 4, utilizing the SQL semantic inquiry system to complete the inquiry of the operation result stored on the distribute file system. Compared with the traditional system in which stream computing and total computing coexist, the invention only needs to realize one stream computing code, which reduces the development and maintenance cost. Furthermore, the invention adopts the loss data processing of a plurality of data streams to realize the multi-table data processing, and realizes the analysis, processing and storage of the data of different data structures and different data sources. In addition, the invention can realize efficient data inquiry management.

The invention discloses an index construction method and a JSON data query method. The JSON data query method comprises the steps: acquiring a query request, wherein the query request comprises a query target and a query condition, and the query condition comprises a first target keyword and a first target value corresponding to the first target keyword; according to the first target keyword, thefirst target value and the query target, performing data search from JSON data stored in a memory to obtain a first query result; screening out a first target index corresponding to the first target value from index data associated with the first target keyword; and obtaining a second query result from the JSON data stored in the disk according to the first target index and the query target. According to the embodiment of the invention, the query precision and the query efficiency of the JSON data can be improved.

The embodiment of the invention provides a content comment data query method and device, equipment and a storage medium. The query method is realized based on a new data structure. Each leaf node of the data structure corresponds to label information, and the label information of the leaf nodes reflects the source of the corresponding comment data. By labeling the leaf nodes of the data structure,the data structures corresponding to different label information can be obtained based on the same root node, and the query requirement corresponding to a flexible business scene is met. For query requirements of data isolation, comment data of a specific source can be screened through label information, and isolation of comment data of different sources is achieved; for query requirements of data intercommunication, tag information determined according to different sources can be matched with each other through configuration regulations, so that comment data of different sources can be obtained, and data intercommunication is realized. Visibly, the embodiment of the invention is based on the new data structure, and the flexible data query requirement can be met.

The invention provides a data query method and device. The method comprises the steps of receiving a query language input by a terminal, wherein the query language carries query parameters; according to the query parameter and a query statement template corresponding to the query language, obtaining a query statement, the query statement template being pre-stored in a template library; and obtaining target data corresponding to the query language based on the query statement and feeding back to the terminal.

The invention discloses a method and a device for determining a geographic location name. The method comprises the steps that to-be-queried location information of a target terminal is acquired; whether the spatial distance between the to-be-queried location information and reference location information is smaller than or equal to a preset threshold value is judged; if the spatial distance between the to-be-queried location information and the reference location information is smaller than or equal to the preset threshold value, the geographic location name corresponding to the to-be-queried location information is determined as a geographic location name corresponding to the reference location information; and if the spatial distance between the to-be-queried location information and the reference location information is greater than the preset threshold value, the geographic location name corresponding to the to-be-queried location information is acquired from a network geographic information system. Through the method and the device, the technical problem that query delay is long because a geographic location name corresponding to a GPS needs to be queried continuously from the network geographic information system in the prior art is solved.

The embodiment of the invention provides a video information query method and device, a storage system and a storage medium, and relates to the technical field of advertisement putting. The method comprises the following steps: when a target video query request is received, querying a target video in pre-stored hotspot video data, wherein the hot video data is obtained in advance according to historical data of video information query in the advertisement putting process; when the target video cannot be queried in the hot video data, querying the target video in pre-stored video update data, wherein the video updating data is acquired from an external service system when the external service system accessed by the advertisement putting system has the video updating data; and when the target video cannot be queried in the video update data, querying the target video from an external service system. According to the scheme of the invention, the query delay is avoided, the quantity of requests queried from the external service system is reduced, server resources are saved, and the reliability and the stability are improved.

The present invention provides an M2M data processing method, device, and system, which relate to the field of communication, including: receiving a registration request sent by an M2M device; after the authentication passes the registration request, obtaining a filled capability model according to the capability model and capability information of the M2M device , the capability model includes three types of communication capability, control capability and measurement capability, each type of capability is divided into multiple sub-items, and the filled capability model describes at least one sub-item corresponding to the three types of capabilities of M2M devices; according to the filled The capability model updates the overall capability model, and the overall capability model records capability information of all registered M2M devices managed by the M2M service platform according to the types of capability models. The present invention can solve the problem of long query delay and waste of hardware resources of the M2M service platform, realize the effect of reducing query delay and waste of hardware resources of the M2M service platform, and the present invention is used for M2M system communication.