303results about How to "Improve storage speed" patented technology

A system for assisting in the diagnosis of errors in manufacturing machinery is disclosed wherein sensors are associated with the machinery at monitoring zones for detecting errors and generating sensor signals representing the errors. Video cameras are located at monitoring zones associated with specific sensors. A computer readable medium is in communication with the cameras for receiving video of the process. A set of computer readable instructions are embodied within the computer readable medium for receiving input selecting machine sensors and cameras, triggering, and producing the pre-event and post-event videos for the trigger signals. Operating instructions are for continuously storing video output in temporary memory, receiving sensor signals, and processing the sensor signals to determine if a trigger signal is required. After a trigger signal, video is copied from temporary memory into permanent memory to provide the pre-event video, and post-event video is recorded and stored in permanent memory.

The invention discloses a data processing method and a data processing device, which are used for avoiding the bottleneck problem of disk input I / O (input / output) and improving the data storage and query speed. The data processing method provided by the invention comprises the following steps of: writing acquired data into a plurality of storage tables which are divided according to time granularity in advance, wherein each storage table is used for storing data acquired in a specific time segment; and when the operation of writing the data into the storage tables is completed, merging the data in the storage tables into subareas of subarea tables, which correspond to the storage tables, wherein the subsareas are used for providing data which need to be queried for a user.

The invention discloses a distributed storage method for a real-time database. The distributed storage method for the real-time database has following beneficial effects: continuous storage and access of the real-time database for processing data with super-high concurrency and high-frequency generation can be simultaneously acquired; data storage and historical data access can be simultaneously performed and mutual interference is reduced; efficiency of storage space is increased; speed of the real-time database for storage and access of historical data is increased; and the capability of efficiently and rapidly retrieving and inquiring is provided.

The invention provides a system and a method for carrying out real-time statistics on mass data based on Hadoop. The system comprises a Hadoop cluster composed of a plurality of nodes, an Hbase database of the Hadoop cluster and a main memory database. The system also comprises a network data processing unit, an enqueue unit, a Storm processing unit and an uploading unit, wherein the network data processing unit is used for obtaining network data and parsing the obtained network data; the enqueue unit is used for organizing parsed data to structural data format to be stored in an MQ queue; the Storm processing unit is used for carrying out streaming calculating processing on data in the MQ queue through Storm to obtain processed data and storing obtained processed data in the main memory database; and the uploading unit is used for carrying out summarization and persistence on predetermined amount of data in the main memory database to be uploaded to the Hbase database of the Hadoop cluster. By utilizing the system and the method, mass data can be stored in the Hbase database in real time.

The invention provides a method and device for storing and reading security logs and a security control system. The method comprises: deploying a database on every server of at least one server; creating at least one event list in each database according to the type of all security logs, wherein each event list is corresponding to one type of security logs; storing the to-be-stored security logs into the corresponding event list of the database, respectively, according to the type of the security logs; defining a timestamp for each security log stored in the event list; and reading the required security logs from the corresponding event list according to the timestamps of the security logs. The device includes: a deploying unit, a creating unit, a storing unit, a defining unit, and a reading unit. The security control system includes: a management module, a collection module, an analysis module and a security log storing and reading device. According to the invention, the speed of storing and reading the security logs can be improved.

The invention relates to the field of cryptology, information safety, geographic information system and digital image processing, in particular to a method for protecting and authenticating the integrity of a digital vector map which can withstand multiple attacks and improve the data writing speed. The method comprises three parts, namely watermark generating, watermark hiding and integrity authenticating, wherein the watermark generating comprises generating an authenticating watermark, generating a positioning watermark and generating a recovery watermark; the watermark hiding comprises transmitting the watermark information to a drive layer and hiding the watermark information; and the integrity authenticating comprises extracting an authenticating watermark, extracting a positioning watermark, extracting a recovery watermark and finishing falsification recovery. By the method, the storage speed is improved, the storage data volume is reduced, the safety is ensured, and the data writing speed is improved.

The invention discloses a storage method of a real-time database. The method comprises the following steps: during writing of history data and history alarm data, writing the history data and the history alarm data into a corresponding memory table and a corresponding operation log buffer area respectively; when a current memory table is full, compressing the history data or the history alarm data in the current memory table, writing the compressed history data or history alarm data into a minute scale file, and applying for a new memory table for serving as a current memory table; combining threads, checking periodically, and combining a plurality of minute scale history data files and history alarm data into a day scale history data file and a history alarm data file respectively at preset time every day; combining a plurality of day scale files into a month scale file respectively at preset time every month; combining a plurality of month scale files into a year scale file respectively at preset time every year. Through the method, history data and history alarm data can be stored and accessed simultaneously in the real-time database, and the storage and access speeds of the history alarm data are increased.

The invention discloses a unified storage method supporting various storage modes. The specific implementation process comprises the following steps: setting a database which comprises four tables: a container table, metadata table, a storage table and a storage region table; accessing the database into a client side, setting a threshold value according to the file size on the client side, dividing a file into N parts, starting a plurality of line paths, and simultaneously uploading all parts of the file; after file uploading, setting a file storage path with id built therein, wherein url is unique; configuring the file, determining the file storage mode, configuring the default virtual space of a storage container, integrating the parts of the file and storing the parts of the file in the database. Compared with the prior art, the unified storage method supporting various storage modes adapts to unified and centralized storage of data resources of different scales, different scenes and different data amounts and is relatively low in maintenance cost and strong in practicability.

The invention relates to a gateway application system, particularly an embedded real-time data base of a gateway application system. The gateway application system based on an embedded real-time data base comprises an upper computer, a gateway and an acquisition system, wherein the upper computer communicates with the gateway through a 485 bus, or an LAN or GPRS mode; the gateway is connected with the acquisition system through the 485 bus; and the acquisition system analyzes and stores data acquired on site to the built-in embedded data base of the gateway. The system can reliably process the on-site data in real time, efficiently utilize the limited resources of the embedded system, increase the data storage speed and protect the data.

The invention discloses a streaming data real-time processing method and system based on a multi-level cache structure, and belongs to the technical field of big data stream processing. The method of the invention uses on-line data processing and batch processing for streaming data, so as to satisfy the requirements of low latency, high throughput and reliability of the processing. The method comprises the following steps: storing an on-line processing result in an on-line cache, and designing an on-line cache structure to automatically and efficiently delete stale data; storing data of a recent access offline persistent database in a batch cache, and adopting an LRU based strategy to efficiently eliminate the stale data; and merging a query result efficiently so as to return the query result to users quickly. The invention further realizes the streaming data real-time processing system based on the multi-level cache structure. The streaming data real-time processing method and the system based on the multi-level cache structure provided by the invention can solve the problems in the existing method that the storage and query efficiency is not high, the reliability is low and the memory occupancy rate is higher.

The invention provides a system and a method for acquiring, processing and verifying method a multi-channel interference signal. The system comprises a data receiving auxiliary unit, an acquiring and storing auxiliary unit and a data transfer storage auxiliary unit, wherein the acquiring and storing auxiliary unit comprises a master control computer module, a high-speed storage module, an AD (analog to digital) acquisition module, an optical fiber channel unit and a power supply management unit; the data transfer storage auxiliary unit comprises a transfer storage server and a magnetic disc array. The method comprises an acquiring and storing step and a data processing method, wherein the acquiring and storing step comprises four sub steps of signal acquisition, signal transmission, signal conversion and signal storage; and the data processing step comprises three sub steps of data replay, data transfer storage and file management. The system and the method for acquiring, processing and verifying method a multi-channel interference signal provided by the invention have complete functions of acquisition, real-time storage, replay processing and transfer storage processing, and also has the advantages of strong accuracy and high reliability.

A method and structure of reducing power consumption in a microprocessor includes at least one storage structure in which the activity of the storage structure is dynamically measured and the size of the structure is controlled based on the activity. The storage structure includes a plurality of blocks, and the size of the structure is controlled in units of block size, based on activity measured in the blocks. An exemplary embodiment is an adaptive out-of-order queue.

The invention aims at providing labeling equipment and a book labeling method. The labeling equipment and the book labeling method aim at solving the problems that the labeling operation is complex, the efficiency is low, and the labor cost is high in the prior art. The labeling equipment comprises a conveying device, a labeling mechanism and a paper advance mechanism, wherein the conveying device is used for conveying objects to be labeled to the labeling position to be labeled and moving the labeled objects out of the labeling position, the labeling mechanism is used for labeling the objects conveyed to the labeling position, and the paper advance mechanism is used for conveying labels. According to the labeling equipment and the book labeling method, the labeling equipment is provided with the conveying device, the labeling mechanism and the paper advance mechanism, the labels are conveyed to the labeling position through the paper advance mechanism, the objects to the labeled are conveyed to the labeling position through the conveying device, and the labeling mechanism labels the labels to the objects, so that the labeling action is completed without human involvement, the work efficiency is improved greatly, and the cost and the labor intensity of workers are lowered.

The invention discloses a three-layer heterojunction organic field-effect transistor memory and a fabrication method thereof. The memory comprises a substrate, wherein a source-drain electrode, an organic semiconductor heterojunction, a gate insulation layer and a gate electrode are sequentially arranged on the substrate from top to bottom, a polymer electret layer is arranged between the organicsemiconductor heterojunction and the gate insulation layer, the gate insulation layer covers a surface of the whole gate electrode and is used for isolating contact between the gate electrode and thepolymer electret layer, and the organic semiconductor heterojunction sequentially comprises a first hole transmission layer, an electron transmission layer and a second hole transmission layer from top to bottom. In the three-layer heterojunction organic field-effect transistor memory and the fabrication method thereof, provided by the invention, the polymer electret layer is fabricated on the gate insulation layer by a spinning method, morphology growth of the semiconductor heterojunction and the metal source-drain electrode is facilitated, the process is simple, the storage capacity, the current switch ratio and the storage speed can be greatly improved, the device fabrication cost is reduced, and promotion and application are convenient.