41results about How to "Guaranteed storage efficiency" patented technology

The invention discloses a time-series data storage method based on distributive column storage, and belongs to the technical field of database. The method is characterized in that a spare table composed of row keys and rows is used to store data stored in measuring points, wherein each of the row keys contains as much retrieval information; data that are dispersedly acquired at some time slots are merged in the record at each row; a name mapping table is created to store name information. With the adoption of the time-series data storage method based on the distributive column storage, various advantages of the distributive column storage technology can be fully utilized, thus the efficiency of storing and retrieving time-series data in the distributive column storage can be ensured, and the safety of the data storage is improved due to the distributive storage manner.

The invention relates to a time series data storage method and device based on a big data processing technology, computer equipment and a storage medium. The method comprises the following steps: acquiring a current time series data point, wherein the time series data point comprises a timestamp field; determining a reference data point corresponding to the current time series data point accordingto the timestamp field; calculating a relative change value of the current time series data point and a reference data point; adding the relative change value to a compressed data point correspondingto the reference data point in a time sequence database according to a time sequence; and when a next time series data point is received, marking the next time series data point as a current time series data point, and returning to the step of determining the reference data point corresponding to the current time series data point. By adopting the method, the time series data storage cost can bereduced.

The invention discloses a rapid dilatation method for an RAID 5 (redundant array of independent disks). The rapid dilatation method comprises the following steps: a strip group size SS, a dilatation read unit size RU, a dilatation write unit size WU and auxiliary variables Y and St are obtained; a current dilatation window W_no is initialized to be 0; the offset w_off in the current dilatation window is initialized to be 0; a migration record set required for dilatation is set to be empty; a current disk counter d is initialized to be 0; a strip number s is obtained through s=w_no*Wsize+w_off, and the offset in the strip group is obtained through s_off=s%SS; an initial strip number Rb of a current disk dilatation read unit is obtained through Rb=d*St, and an end strip number Re is obtained through Re=Rb+RU-1; whether a strip corresponding to the strip number s exists between the initial strip number and the end strip number of the dilatation read unit of the strip group or not is judged, if not, whether d=n-1 exists or not is judged, if so, whether w_off=Wsize-1 or s=v-1 exists or not is judged, if so, a corresponding strip unit is read from a disk in the RAID 5 before dilatation and is then written into the corresponding newly-added disk. With the rapid dilatation method, the performance and storage efficiency of the array after dilatation are improved.

The invention relates to network security and data storage, and aims to provide a network log storage method based on multi-attribute hash deduplication in an intrusion detection system. The network log storage method based on multi-attribute hash deduplication in the intrusion detection system comprises log deduplication and log storage, and ensures that the intrusion detection system can store network logs into a local server after deduplication. The intrusion detection system comprises a data acquisition server and a plurality of data storage and analysis servers, and both the data acquisition server and the data storage and analysis servers are connected with a switch. According to the network log storage method provided by the invention, acquisition and deduplication operations of the network logs can be completed with only one server by using a multi-attribute segment hash method, and smaller computing complexity and space requirements can be achieved; more accurate log deduplication can be realized, data cannot be mistakenly lost, and the lower rate of missing report of repeated logs can be achieved; and the storage mode of the network logs adopts a storage method that is proportional to the server performance, and thus the data storage efficiency can be ensured, and the performance of subsequent data analysis tasks can also be increased.

The invention discloses an adjustable ferris-wheel type logistics storage cabinet. The adjustable ferris-wheel type logistics storage cabinet solves the problems that in the prior art, a storage cabinet occupies a relatively large space and the size of the storage cabinet can not be adjusted.The sizes of cabinet bodies can be adjusted according to the needs of the sizes of objects, and the effect of fully utilizing the space can be achieved; a motor driving belt makes the cabinet bodies do ferris-wheel type rotating and lifting movement, and the efficiency of storing the objects is effectively ensured; according to the technical scheme, the adjustable ferris-wheel type logistics storage cabinet comprises a plurality of cabinet bodies, a cabinet body driving mechanism and a control system, wherein the sizes of the cabinet bodies are adjustable, the cabinet bodies are installed on the cabinet body driving mechanism, the cabinet body driving mechanism makes the cabinet bodies do rotation movement from top to bottom, and the control system controls the operating action of the cabinet bodies.

The invention relates to an NB-IoT gateway which comprises a single-chip microcomputer used for being connected with a data port of a first external device, an NB-IoT module used for being connected with a server and a microprocessor used for being connected with a data port of a second external device. The NB-IoT module, the single-chip microcomputer and the microprocessor are connected in sequence. The dual processors, namely the single-chip microcomputer and the microprocessor, are connected with data ports of different external devices so as to receive and process data returned by the different external devices, so that the information processing efficiency is guaranteed. Moreover, the NBIoT module based on the NBIoT can ensure that data returned by different external devices can be transmitted to the server for storage or secondary processing, and the NBIoT module based on the NBIoT can be connected with the data ports of tens of thousands of external devices, and does not occupy4G resources of passengers. Therefore, the NBIoT gateway provided by the invention can also ensure the data storage efficiency and the data processing efficiency under the conditions that the airportpedestrian flow information is increasingly increased and the monitoring management requirement is increasingly increased.

The invention discloses a data screening method for a security monitoring system. Security monitoring data images are stored at intervals or selectively stored in accordance with requirements, so thatthe storage efficiency of the security monitoring system and the utilization of a memory are well ensured. By using the special data screening processing technology, the processing of image data is well implemented, the monitoring image information can be well screened, and the selected images with better definition are selectively stored in the memory, so that the storage space is greatly saved,and at the same time, the purpose of screening valuable images is achieved.

The invention discloses a data storage and query method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining to-be-stored data, and storing the to-be-stored data in a cache region of the to-be-stored data; determining an insertion position of the to-be-stored data in the cache region according to the timestamp of the to-be-stored data and a bisection method; writing the to-be-stored data inserted in the cache region into a memory file, and determining the positions of an index block and a data block in the memory file; determining the position of to-be-stored data in a to-be-stored buffer area in the memory file according to the dichotomy and the read data in the data blocks, and updating the number of the data blocks according to the position; whether residual data exist in the to-be-stored buffer area or not is judged, and a stored memory file is determined according to a judgment result; and performing data query according to the stored memory file. The accuracy and continuity of the data are ensured based on a time sequence reading mode, the index position and the data are stored separately, the reading and storage efficiency is ensured, and the query and storage efficiency is ensured.

The invention provides a named data network content storage pool based on a neural network. The named data network content storage pool comprises an on-chip storage unit and an off-chip storage unit.The on-chip storage unit uses a high-speed memory, a neural network model is deployed in the on-chip storage unit to realize the uniform mapping of the data names, and an improved bitmap is deployed to map the data packets containing the same name prefixes into a same bucket. The off-chip storage unit uses a low-speed memory, a plurality of dynamic memories corresponding to the slots of a dynamicindex unit of an improved bitmap are deployed on the off-chip storage unit to store the skip table information of each name prefix, and the skip table information is used for guiding the next searchof the same name prefix Data packets in a bidirectional skip table so as to improve the data retrieval speed; and a bidirectional skip list structure is deployed additionally to store the storage position information of the data packet in a learning bitmap content storage pool, and each bidirectional skip list node stores a first-in first-out queue FIFO single pointer and the least recently used LRU double pointers.

The invention discloses a data management system and a data management method based on cold, temperature and hot data, the data management system comprises a computer, at least one first server and atleast one second server; the first server comprises a first database for storing hot data and a second database for storing temperature data; the second server comprises a third database for storingcold data; and the computer receives and displays the monitoring data of the tested equipment in real time, and stores the monitoring data into the first database, the second database and the third database respectively according to the data type of the monitoring data. According to the embodiment provided by the invention, a multi-level and three-dimensional data management mode is set, so that the data management efficiency, the storage efficiency and the query efficiency can be improved, and the software service capability and the data service capability are improved to the maximum extent.

The embodiment of the invention provides a coding and decoding method of a nonvolatile memory and a storage system. The coding and decoding method comprises: determining a BCH check bit according to an effective data bit, a BCH code is generated, the length of the effective data bit is 1028 bytes, and the length of the BCH check bit is 8 bytes; determining a cyclic redundancy check (CRC) check bitaccording to the BCH code, and generating a CRC code, the CRC check bit having a length of 8 bytes; Determining a low-density parity check (LDPC) check bit according to the CRC code, and generating an LDPC code of which the cyclic size is 232 bits; and respectively carrying out BCH decoding processing, LDPC decoding processing and CRC decoding processing on the coded data. According to the methodprovided by the embodiment of the invention, 16 bytes originally needing to be subjected to zero padding are fully utilized to carry out BCH and CRC coding, so that the correction efficiency of LDPCis ensured, the probability of occurrence of a wrong floor is reduced, and the bit error rate of data storage is reduced.

The invention provides a magnetic tape archiving system and method based on repeated deletion. The system comprises a service data generation module, a backup server and a physical tape library; the backup server is provided with a disk, a repeated data deleting module, a unique data storage pool and a repeated data calculating module. The unique data storage pool is arranged on the disk; the duplicated data deleting module is used for receiving the backup data file generated by the service data module, deleting duplicated data existing in the unique data storage pool to obtain unique data, and storing the unique data into the unique data storage pool; and the repeated data calculation module is used for calculating the backup repetition rate of the unique data in the unique data storage pool, migrating the unique data of which the backup repetition rate is lower than a threshold value to the physical tape library, and releasing the disk space of the unique storage pool.

The invention discloses an online adaptation method based on pattern matching and a mobile perception scene. The method comprises the following steps: carrying out classification identification by comparing the similarity between a target sample and a template in a template library to obtain a classification result; according to the obtained classification result, feedback from the application or the user is monitored in real time; in combination with a feedback result, the representativeness of the current target sample is judged according to an active learning theory, and the representativeness reflects the importance degree of the target sample for classification and recognition; and on the basis of the corresponding representativeness, updating the template library by a set strategy to realize online adaptation. By utilizing the method and the device, a developer can realize an application system supporting online continuous adaptation on the mobile equipment under the condition of ensuring the storage and calculation efficiency.

The invention discloses a TLV data generation method, a TLV data reading method, an intelligent device and a storage medium, and the TLV data generation method comprises the following steps: obtaininga descrambling key corresponding to first TLV data, and generating second TLV data according to the descrambling key; generating mixed TLV data according to the second TLV data and the first TLV data, and storing the mixed TLV data. According to the method, the data storage process can be optimized, the descrambling and encrypting processes of the data are reduced, the scrambled data are directlystored, bandwidth resources occupied by data processing in the storage process are reduced, the data storage efficiency can be guaranteed in intelligent equipment with different hardware configurations, the data storage efficiency is improve, and the reduction of the storage efficiency caused by bandwidth bottleneck is avoided.

The invention relates to a data processing method and device and a storage medium. The data processing method comprises the following steps: acquiring to-be-stored data, and storing the to-be-stored data to a read-write high-speed storage rear end of a storage system; determining to-be-transferred data in the stored data of the read-write high-speed storage rear end; and transferring the to-be-transferred data to a read-only storage rear end of the storage system. According to the invention, the data storage efficiency can be improved.

The invention provides a modular liquid storage device with a base, and provides an acid liquid modular liquid storage device. The modular liquid storage device comprises a pool body composed of a plurality of combined type fences, wherein the adjacent combined type fences are connected through connecting pieces; a liquid storage bag is arranged in the pool body; a liquid conveying opening for conveying liquid is formed in the liquid storage bag; the base is further arranged at the bottom of the liquid storage bag; the liquid conveying opening is formed in the middle of the base; the liquid conveying opening is connected with a liquid conveying pipeline; the liquid conveying pipeline is arranged in the base and extends out of the pool body; the base is formed by splicing a plurality of split modules; and a connector part which can be connected with the liquid conveying opening of the liquid storage bag is further arranged in the base. The modular liquid storage device has the beneficial effect that the use safety of a large anti-seepage pool is improved.

The invention discloses a preparation device of a graphene-doped magnesium-based hydrogen storage material. The preparation device structurally comprises a graphite magnesium-based net tank, a communicating pipe frame, a hoisting frame plate, a horizontal tank groove, a central control room, an electric meter seat and a pneumatic pipe; the graphite magnesium-based net tank is matched with the communicating pipe frame; a graphene net-shaped carbon chain overlapping structure is additionally arranged at the hydroxyl position of a graphene net disc of a relay network ring disc; the reticular distribution of separated crystals is protected; a net-shaped carbon chain wrapping rotation effect is formed; the electricity resistance of the magnesium-based hydrogen storage material is improved through a connecting column induction box and an armature slip ring frame; the hydrogen energy storage stability is ensured; by means of the annular cavity dust removal channel, transverse breakdown current and turbulent flow treatment effect of rotation of an electromagnetic net armature block can be conveniently conducted on electrostatic dust and chippings in the later period, wound electrostatic particles can be effectively prevented from being wound out of the cavity, interference with hydrogen storage operation of equipment is avoided, heat instability in a magnesium base is also prevented, and material integrity and storage efficiency are guaranteed.

The invention discloses a tea storage device in an office table. The tea storage device comprises a storage box, wherein an inner cavity of the storage box is divided into 5-15 independent storage boxbodies through partition plates, a transportation device is arranged at one end of each storage box body, storage plates are arranged at the upper ends of the transportation devices, the two ends ofeach storage plate are provided with clamping blocks, a temperature control device is arranged at the upper end of an inner cavity of each storage box body, and an adjusting device is arranged at oneend of the storage box; a display device is arranged at one end of the adjusting device, and a loudspeaker device is arranged at one end of the display device. The device is easy to use, convenient tomount and convenient for users to use, so that good convenience is brought for the users in the using process.

The invention provides a riverway high-water-content sludge dewatering method. The method comprises the following steps: breaking sludge at the bottom of a riverway by using a sludge breaking mechanism in a dredger, transferring the sludge into a sludge storage tank, and standing for later use; separating upper-layer sludge from lower-layer sludge; preprocessing sludge needing to be dewatered to obtain a first mixture; adding a modified sludge dewatering agent to obtain a second mixture, and carrying out preliminary dewatering on the second mixture; carrying out secondary dewatering treatment,and separating again; mixing the sludges, and separating sludge and water; carrying out purification treatment on the separated water; and mixing the sludges to form a compact sludge cake. The invention provides the feasible dewatering process for dewatering the high-water-content sludge in the riverway; by adding a flocculating agent and the modified sludge dewatering agent and cooperating witha sludge dewatering device and a high-pressure squeezer for multiple times of dewatering treatment, the dewatering rate is effectively increased, the storage and utilization efficiency of sludge is guaranteed, and meanwhile the efficient and rapid treatment requirement of high-water-content sludge of the riverway is met.