31results about How to "Control data volume" patented technology

The invention provides a message retransmission method and system. The method comprises the following steps: setting a retransmission time interval corresponding to any message to be retransmitted, wherein the retransmission time interval increases with the number of historical retransmissions; at the arrival of the retransmission time interval, performing a retransmission operation on any messageto be retransmitted; obtaining an operation status corresponding to the retransmission operation, and when the operation status is failure, updating the number of historical retransmissions, and whenthe number of historical retransmissions is smaller than a retransmission number threshold, and the number of messages to be retransmitted in a retransmission queue is smaller than a number threshold, adding any message to be retransmitted to the retransmission queue; and repeatedly executing the above steps, until the operation status is successful or the number of historical retransmissions reaches the retransmission number threshold or the number of messages to be retransmitted in the retransmission queue reaches the number threshold. By adoption of the method and system, invalid retransmission operation can be avoided, the retransmission efficiency is effectively improved, the operating pressure of the system is reduced while ensuring accurate delivery of the messages, and it is conducive to improving the overall performance of the system.

The invention discloses a data backup disaster tolerance method. The method comprises the following steps of receiving a control instruction of backup data; on the basis of the control instruction, selecting a backup mode, carrying out segmentation processing on data to be backed up, and obtaining a plurality of data blocks; respectively obtaining first mark information in the data blocks and searching whether the same first mark information exists in the backed-up data or not; when a searching result shows that the same first mark information does not exist; storing the data to be backed up in a local storage terminal, and storing the data to be backed up in the cloud storage terminal through the local storage terminal. Therefore, the technical effects that the transmission data volume can be effectively controlled, and the waiting time is reduced are achieved.

The invention discloses a method and device for controlling TCP transmission performance. The method comprises the following steps: acquiring a reduction proportion in direct proportion to a current congestion window and reducing the congestion window by the acquired reduction proportion in a quick recovery phase; retransmitting the critical lost packet if the network is in a congested state or the current congestion window is lower than the window minimum threshold when an arbitrary phase for controlling the TCP transmission performance requires retransmission, wherein the critical lost packet is a lost data packet causing reduction of the congestion window; and respectively retransmitting a possibly lost data packet and the critical lost packet if the network is in a non-congested state and the current congestion window is not lower than the window minimum threshold. The method and device can be used for improving the TCP transmission performance.

The method comprises: a) the client side sends the request for accessing the vectorgraph data through internet; b) server side preprocesses the vectorgraph data; c) transmitting the vectorgraph data through internet.

The embodiment of the invention discloses a data processing method and system, and related equipment. The method comprises the following steps that: a client generates a data abstract for a stored data set and sends the data abstract to a server; the determines feedback information for the client based on the data abstract and sends the feedback information to the client; when the feedback information received by the client includes a target data selection policy and a target policy parameter, the client determines a data sub set from the data set based on the target data selection policy and the target policy parameter and sends the data sub set to the server; and the server can establish a prediction model or update an existing prediction model based on the data sub set. Therefore, the volume of data transmitted to the server by the client can be controlled and thus resource consumption during the data processing can be reduced. Besides, representative data can be selected accurately and conveniently and thus an accurate prediction model can be obtained.

The invention provides a service processing method and device and a server. The service processing method includes the steps of receiving a service access request; determining a range of to-be-accessed data of the service access request according to the service access request; comparing the range of the to-be-accessed data with a range of data saved by a production database; if the range of the to-be-accessed data is included in the range of the data saved by the production database, distributing the service access request to the production database. By means of the service processing method and device and the server, different service access requests can access different databases, and the fluency of service access is improved; by defining the range of the data saved in the production database, the amount of the data in the production database can be effectively controlled, the efficient data access of the production database is ensured, and the efficiency of executing services is improved.

The invention discloses a method and apparatus for monitoring downloading of digital content, and method and apparatus for downloading digital content, for controlling the data amount of the digital content downloaded by a user and accordingly reducing the load of a server. The method for monitoring the downloading of the digital content comprises: receiving a digital content download request sent by a user terminal, the digital content download request carrying download metering information of the user terminal in downloading the digital content in a current time period and authority metering information of the user terminal in downloading the digital content in the current time period; when it is determined that the user terminal has digital content downloading authority according to the download metering information and the authority metering information, sending the digital content currently requested to be downloaded to the user terminal; and during a downloading process, dynamically updating the download metering information of the user terminal in downloading the digital content in the current time period, and when it is determined that the user terminal does not have the digital content downloading authority, stopping sending the digital content currently requested to be downloaded to the user terminal.

The invention provides a method for determining a size of a transport block, and a transport block (TB) to be processed is assumed to be TB1. The method comprises the following steps: determining an effective bit sequence number (I[TBS]) corresponding to the TB1 and a number N[PRB] of resource blocks (RBs) used for data transmission; according to a rule that symbol lengths of RBs in a same category are same, classifying the N[PRB] RBs, and counting a category total number and a RB number of each category; setting an initial correction coefficient for each category; determining a final correction coefficient R according to the initial correction coefficient and the RB number of each category; determining a size of the TB1 according to the R, the N[PRB] and the I[TBS]. The invention provides an apparatus for determining the size of transport block. By applying the method and the apparatus in the invention, system throughput can be raised.

The invention relates to a steel quality guarantee book privacy protection and sharing method and system based on a block chain. The method comprises the steps that a block chain platform is constructed, and a steel production institution and a steel sales institution are accessed to the block chain platform based on unique identity authentication information; the block chain platform receives thesteel resource information, the quality guarantee information and the quality guarantee document description information which are signed and uploaded by the steel production institution, and storesthe encrypted quality guarantee document into a distributed document storage module; the block chain platform feeds back corresponding quality guarantee information when receiving a query request of the steel sales institution; and after receiving purchase confirmation information of the steel sales institution, the blockchain platform calls a corresponding encrypted quality guarantee document from the distributed file storage module in response to a download request and feeds back the encrypted quality guarantee document, and the encrypted quality guarantee document is downloaded by a purchased user after being decrypted. Compared with the prior art, the method has the advantages of high information security and the like.

The embodiment of the invention provides a video playing method and device and electronic equipment. The method comprises the following steps: determining whether an unplayed video frame exists in cached video data or not at preset awakening time intervals; if the unplayed video frame does not exist, pausing playing and sending at least one first data acquisition request to the server, caching thevideo data sent by the server until the playing duration corresponding to the cached video data is not less than the preset first caching duration, and recovering playing; if the video frames which are not played exist, determining whether the current playing state is playing pause or not, and if the current playing state is not playing pause, judging whether the playing time corresponding to thevideo frame with the earliest timestamp arrives or not; and if the playing time corresponding to the video frame with the earliest timestamp in the cached video data arrives, playing the video framewith the earliest timestamp. The fluency of playing the video by the client can be effectively improved.

The invention relates to a two-stage partitioning method of a topological network. The method comprises the following steps that first, topological data are generated, wherein network nodes in a graph are traversed, and relevant information between the nodes is acquired; second, partitioning operation is carried out, wherein partitioning operation is divided into first stage partitioning and second stage partitioning, the first stage partitioning is conducted according to the connectivity between the nodes, and the second stage partitioning is conducted according to the set maximum node number; third, topological block information is updated and maintained, wherein in a dynamic network, the nodes are allowed to change, so that synchronous updating of corresponding topological block information is guaranteed when the network is edited; fourth, topological analysis is conducted based on two-stage partitioning. According to the two-stage partitioning method of the topological network, the algorithm of two-stage partitioning is used for effectively controlling the data amount of topological traversal, traversing to the entire topological network is avoided in the topological analysis process, and the problem that the entire network is a connected whole can be well solved.

The invention discloses a method and device for monitoring a vibration device and a readable storage medium. The device for monitoring vibration device comprises a first accelerometer sensor, a second accelerometer sensor and a controller; and the controller is used for controlling collection of the first accelerometer sensor and the second accelerometer sensor according to the vibration state of the vibration device.

The invention provides an express-delivery-cabinet remote monitoring method based on a hard disk video recorder. The method comprises the following steps of remote monitoring system establishment; control task analysis; remote screenshot control; remote upgrade control and upgrade information feedback. By using the express-delivery-cabinet remote monitoring method, a transmitted data volume can be effectively controlled, simultaneously upgrade efficiency of the video recorder is increased and upgrade cost is reduced.

The invention discloses a monitoring data storage and query method and device, and relates to the technical field of computers. One specific embodiment of the storage method comprises: encoding to-be-stored monitoring data to obtain encoded to-be-stored monitoring data; when the time dimension information of the to-be-stored monitoring data is at a second level, storing the to-be-stored monitoringdata subjected to encoding processing into a cache and a database; and when the time dimension information of the to-be-stored monitoring data is at a non-second level, storing the to-be-stored monitoring data subjected to encoding processing into a database. According to the embodiment, the monitoring data is encoded, the disk space for data storage can be remarkably reduced, the second-level monitoring data is stored in the cache and the database respectively, the efficiency of different types of query can be met, and the query speed of recent data in the second-level monitoring data is guaranteed.

The invention discloses a method for rendering massive vector data, which comprises the following steps of: according to the intensity of the vector data, cutting the vector data according to a form of a first data structure, simultaneously generating data in the form of the first data structure, which is used for storing range information of the vector data, and storing the generated data into an index file; organizing a data structure for the vector data obtained by cutting according to a form of a second data structure and generating tile data; generating a property file for recording a rendering style; searching the tile data in a range of a region to be rendered from the index file and generating scheduling information; and according to the scheduling information and the property file, carrying out uploading on the tile data to be uploaded, rendering and unloading the tile data to be unloaded. When the method disclosed by the invention is adopted to render the massive vector data, the effect of accurately, rapidly, conveniently and efficiently displaying a map under the excellent visual effect can be achieved.

The invention provides an account information query method and device, and relates to the technical field of big data. The method comprises the steps: displaying main account data and transaction query button data through a page; when an expansion instruction is received, displaying a target number of sub-account data of the main account data, wherein the expansion instruction is generated by clicking main account data, and the target number is smaller than a first preset threshold; and when a query instruction is received, displaying an account information query result, wherein the query instruction is generated by clicking transaction query button data after the main account data and the sub-account data are clicked, and the group number of account data included in the account information query result is smaller than a second preset threshold value, and the main account data included in the account information query result comprises at least one group of sub-account data. According to the method and the device, the hierarchical relationship between the main account and the sub-accounts can be efficiently displayed, the data volume of information query and display can be controlled by setting the first preset threshold value and the second threshold value, and the query efficiency and the display effect are ensured.

The invention relates to a two-stage partitioning method of a topological network. The method comprises the following steps that first, topological data are generated, wherein network nodes in a graph are traversed, and relevant information between the nodes is acquired; second, partitioning operation is carried out, wherein partitioning operation is divided into first stage partitioning and second stage partitioning, the first stage partitioning is conducted according to the connectivity between the nodes, and the second stage partitioning is conducted according to the set maximum node number; third, topological block information is updated and maintained, wherein in a dynamic network, the nodes are allowed to change, so that synchronous updating of corresponding topological block information is guaranteed when the network is edited; fourth, topological analysis is conducted based on two-stage partitioning. According to the two-stage partitioning method of the topological network, the algorithm of two-stage partitioning is used for effectively controlling the data amount of topological traversal, traversing to the entire topological network is avoided in the topological analysis process, and the problem that the entire network is a connected whole can be well solved.

The invention discloses a GIS-based power distribution network load distribution display method and apparatus. The method comprises the steps of performing rasterizing calculation on a power distribution network load, a power distribution network average load rate and a power distribution network maximum load rate based on longitude and latitude; superposing a three-dimensional histogram on a GIS map through a WEB front-end page to display the power distribution network load, the power distribution network average load rate and the power distribution network maximum load rate which are obtained through calculation; according to the method, the problems that when the power distribution network load is displayed on the basis of a map, the number of power distribution network transformers is too large when the power distribution network transformer load is directly displayed, and load display in a two-dimensional mode is not visual enough are solved; the distribution and fluctuation change conditions of the load and the load rate of the power distribution network can be visually seen, meanwhile, the data volume displayed at the front end is controlled, and good display performance is achieved.

The invention provides a method for determining a size of a transport block, and a transport block (TB) to be processed is assumed to be TB1. The method comprises the following steps: determining an effective bit sequence number (I[TBS]) corresponding to the TB1 and a number N[PRB] of resource blocks (RBs) used for data transmission; according to a rule that symbol lengths of RBs in a same category are same, classifying the N[PRB] RBs, and counting a category total number and a RB number of each category; setting an initial correction coefficient for each category; determining a final correction coefficient R according to the initial correction coefficient and the RB number of each category; determining a size of the TB1 according to the R, the N[PRB] and the I[TBS]. The invention provides an apparatus for determining the size of transport block. By applying the method and the apparatus in the invention, system throughput can be raised.

The invention discloses a multi-computer room synchronization method, computing equipment and storage medium based on transaction identification. The method includes: reading the first write data log record in the log file of the first computer room, and judging whether the domain identifier contained in the transaction identifier of the first write data log record is consistent with the domain identifier corresponding to the first computer room; if , then execute the write synchronization data operation in the second computer room according to the first write data log record, and record the second write data log record and its transaction identifier of the write synchronization data operation in the log file of the second computer room, wherein, the second The domain identifier contained in the transaction identifier of the write data log record is set as the domain identifier corresponding to the first computer room; if not, the synchronization of the first write data log record is ignored, which breaks the cyclic replication and solves the two-way problem of multiple computer rooms. The problem of replication loopback in synchronization, because the judgment process is simple, further improves the efficiency of data synchronization.

The invention discloses a data communication method and a data communication device. The method is applied to the data communication device, and comprises the steps of setting configuration database information for each node in N nodes of the data communication device, wherein N is an integer greater than or equal to 2; loading and analyzing the configuration database information, creating a group of data distribution service objects corresponding to each node based on the configuration database information, and acquiring N groups of data distribution service objects; configuring a data buffer for each node, and acquiring N data buffers; and performing data communication based on the N groups of data distribution service objects and the N data buffers.

The invention provides a service log processing method and system and an Internet of Things system, and relates to the technical field of Internet of Things communication. The business log processing method comprises the steps that business logs in a plurality of micro-service modules are collected, and the business logs comprise business identifiers and business data; obtaining target metadata in the business data; and storing the target metadata and the corresponding target business log in an index partition. According to the scheme, the data size of the index partition can be controlled, occupied memory and disk resources are reduced, and the query efficiency of the service logs is improved.

The present invention discloses a data communication method and a data communication device. The method is applied to the data communication device, including: setting configuration library information for each of the N nodes of the data communication device, where N is An integer greater than or equal to 2; load and parse the configuration library information, create a group of data distribution service objects corresponding to each node based on the configuration library information, and obtain N groups of data distribution service objects; The node configures data buffers, acquires N data buffers; and performs data communication based on the N groups of data distribution service objects and the N data buffers.

The present application discloses a method and device for controlling TCP transmission performance. The method includes: when entering the fast recovery phase, obtain a reduction ratio that is proportional to the current congestion window, and use the obtained reduction ratio to reduce the The above-mentioned congestion window; when any stage of controlling TCP transmission performance needs to be retransmitted, if the network is in a congested state, or the current congestion window is lower than the window minimum threshold, the key lost packet is retransmitted, wherein the key lost packet is Lost data packets that cause the congestion window to become smaller; if the network is in a non-congested state and the current congestion window is not lower than the minimum window threshold, retransmit the potentially lost data packets and the critical lost packets. Implementing the application can improve the TCP transmission performance.

The invention discloses a method and apparatus for monitoring downloading of digital content, and method and apparatus for downloading digital content, for controlling the data amount of the digital content downloaded by a user and accordingly reducing the load of a server. The method for monitoring the downloading of the digital content comprises: receiving a digital content download request sent by a user terminal, the digital content download request carrying download metering information of the user terminal in downloading the digital content in a current time period and authority metering information of the user terminal in downloading the digital content in the current time period; when it is determined that the user terminal has digital content downloading authority according to the download metering information and the authority metering information, sending the digital content currently requested to be downloaded to the user terminal; and during a downloading process, dynamically updating the download metering information of the user terminal in downloading the digital content in the current time period, and when it is determined that the user terminal does not have the digital content downloading authority, stopping sending the digital content currently requested to be downloaded to the user terminal.