31results about How to "Guaranteed transactional" patented technology

The invention discloses a transaction processing method, a server and a transaction processing system. The method comprises the steps as follows: after acquiring at least one statement corresponding to a first transaction, a first node can classify each statement, and separately send the at least one statement to at least one second node according to the type of each statement, and thus the at least one second node generates an execution plan corresponding to the statement according to the received statement; and then the first node can process the first transaction according to the received execution plan corresponding to the at least one statement corresponding to the first transaction sent by the at least one second node. Therefore, according to the method, server and system provided bythe embodiment of the invention, the multiple types of statements can be synchronously processed, the system processing efficiency is effectively improved, the running load of the system is reduced,and the transactional performance of the system is effectively ensured.

The invention aims to provide an implementation method of a fault-tolerant distributed security event data transmission protocol. Security events are handled through a distributed cluster, and event nodes in the cluster are determined through a periodical election mechanism in order to ensure the transaction of message data. A message queue mechanism is adopted for the nodes in the cluster in order to ensure the concurrency and expandability of security event handling. Thus, a fault-tolerant security event transmission mechanism is implemented. The method comprises the following steps that: A, security events in a whole network are handled through an event handling distributed cluster; B, the event handling cluster periodically elects event nodes Transactional; C, scoring factors of event nodes Transactional election are determined; D, one Performer node can process security event transmission requests of a plurality of Performer nodes concurrently; and E, the Performer node processes messages.

The present application relates to the field of data storage, in particular to a data compression method, device, computer equipment and storage medium. The method includes: obtaining the current load condition of the storage system; when the current load condition meets the preset compression requirements, judging whether the data of the object to be compressed stored in the non-compressed area is being read or written; when the to-be-compressed When the data of the object is not being read and written, the data of the object to be compressed is compressed, and during the compression process, when the metadata corresponding to the object to be compressed is processed, the data of the object to be compressed is prohibited from being Read and write, when the data of the object to be compressed is compressed, the corresponding data to be compressed is allowed to be read and written; the compressed data is stored in the compressed area. Adopting this method can take into account both data compression and read and write operations.

The present invention provides a control method and device for a non-relational database, wherein the method includes: storing business data in a data table corresponding to the business type according to the business type, and pre-selecting the data in the data table The data is determined as lazy loading data; when the lazy loading data is actually used, it is judged whether the lazy loading data has been read from the non-relational database; if not, it is read from the non-relational database The data is read from the database, and the read data is added to the read data set; if it has been read, the delayed loading data is obtained from the saved read data set. The invention can reduce the resource overhead of the client and the overhead of network transmission, and reduce unnecessary loading of data.

Disclosed in the embodiments of the present description are a failover data processing method, apparatus, and system, the method comprising: after a failover database acquires a first service processing request sent by a service requesting party, determining whether the type of the first service processing request is an inflow type and acquiring a first determining result; if the first determining result is affirmative, then determining a corresponding gateway account on the basis of the user information in the first service processing request, performing gateway accounting on a transaction in the first service processing request on the basis of the gateway account, and adding the corresponding user to a gateway blacklist; determining an asynchronously generated real blacklist, and merging the real blacklist with the gateway blacklist to acquire a total blacklist; locking the users in the total blacklist that do not belong to the real blacklist, and merging and updating the gateway account data corresponding to the locked users. Using the embodiments in the present description enables normal transactions of user accounts other than the real blacklist during a failover period.

The present invention relates to a data collision flow analysis method and device, a storage medium, and a terminal. The data collision flow analysis method includes the following steps: receiving a collision; querying and determining an idle collision thread; using the idle collision thread to execute the collision And analysis is performed to obtain analysis results, wherein each idle collision thread only executes and analyzes a single collision at the same time. The technical scheme of the invention can effectively avoid the loss of circulation data and improve the accuracy of data analysis.

The invention discloses a detection device and a method thereof of low-frequency magnetic field signals and a card reader, wherein the detection device comprises a low-frequency magnetic field receiving module used for receiving low-frequency magnetic field signals emitted from a low-frequency magnetic field emission source, and a microcontroller used for determining whether the low-frequency magnetic field emission source fault occurs according to the receiving result of the low-frequency magnetic field signals by the low-frequency magnetic field receiving module. The detection device can be used for determining whether the work of the current low-frequency magnetic field emission source is normal or not, and informing the low-frequency magnetic field emission source of adjusting corresponding low-frequency emission parameters when detecting that the work of the emission source is abnormal, so that the normal work of the low-frequency magnetic field emission source is ensured.

The invention relates to the technical field of electronic information and electronic information data operation, and particularly relates to transaction-based large-volume data read and write methods. According to the write method, data records are organized by virtue of data pages and then are subjected to batch processing, and simultaneously, a great deal of transactional write operation is converted into non-transactional write operation, so that the data volume of transactional read and write is reduced effectively; and by virtue of transaction characteristics of index files, the integrity and the transaction of data are ensured, and the efficient read-write of the mass data is achieved. According to the reading method, a data page index is established by a shared memory, and the quick positioning of the data records is realized by using a bisection method. In an occasion that the mass data need to be subjected to the transactional read-write, the transaction-based large-volume data read and write methods can be used for achieving the aims of reducing the IO (input / output) operation, improving the handing capacity and shortening the time delay.

The invention discloses an interactive method based on command line data of a network management system. The method comprises the following steps: converting a network management data model into a command line configuration block; packaging the command line data, and transmitting the command line data to a network device; caching and executing the command line data in batches by the network device; and carrying out rollback on a network management error. According to the invention, the data of the network management system is converted into the command line configuration blocks in batches, and an error rollback mode is supported, in this way, the interaction times of the network management system and the network device are decreased, meanwhile the downloading state maintenance difficulty of the network management data model is reduced, and the network management system is supported to simultaneously release multiple items of data command line configuration blocks; the network management system adds an error rollback mark in the command line to ensure the execution transaction of the data command line configuration blocks, once an execution failure occurs, the original operation on the network device is cancelled by an effective reverse operation; and the network management system optimizes the Telnet echo character, reduces the redundant data and simplifies the data returned to the network management system.