30results about How to "Does not affect availability" patented technology

The invention discloses an account activeness-based system resource allocation method and device. The method includes the steps of: obtaining account activeness parameters of users and calculating the account activeness of each user according to the account activeness parameter of each user; according to the account activeness of each user and a preset account activeness grade division method, determining the account activeness grade of each user; according to a user serial number, the account activeness and the account activeness grade of each user, establishing an account activeness index of each user; and when information processing is performed on a target user, allocating system resources used for performing information processing for the target user according to the account activeness index of the target user. By adoption of the account activeness-based system resource allocation method, appropriate system resources can be allocated for users with different activeness in a targeted mode, thereby improving overall use efficiency of system resources, reducing management cost, and improving user experience.

The embodiment of the invention relates to a service providing method of a data base, and a database system. The service providing method includes: when a master database server receives a service providing request of a client, the master database server changes data in a database according to the service providing request, writes change information of the database into a first transaction log, and sends the first transaction log to a slave database server; and when a network connection between the master database server and the slave database server is disconnected or time-out, or when the number of accumulated transaction logs which are not sent successively exceeds a preset number value in the master database server, or when the sending time of the first transaction log exceeds the preset time, the master database server transmits the first transaction log or information of an update object corresponding to the first transaction log to a buffer zone. In the embodiment of the invention, when a backup database cannot receive logs temporarily, the master database sends the logs to the buffer zone, and then the logs will not be lost.

The embodiment of the invention discloses a behavior analysis method and device for a target object, electronic equipment and a storage medium, and the method comprises the steps of monitoring a target object entering a target region through a millimeter-wave radar, and obtaining target track information; configuring a camera according to the target track information so as to capture a dynamic target object by using the camera to obtain continuous frame pictures; describing a target object posture picture through the continuous frame pictures; and carrying out continuous dynamic identification analysis and action prediction on the target object posture picture so as to analyze the real behavior of the target object.

The invention relates to a continuous casting system, particularly for long steel products, having a gravity die wherefrom a cast slab (2) is continuously cast. The cast slab (2) is formed along a guide track formed by guide rollers disposed one after the other (11, 12, 13, 14), particularly a curved guide track, and substantially fed into a cooling chamber having spray heads. The guide rollers (12, 13, 14) and/or the spray heads are present in a plurality of centering modules (10) or spray modules (3) disposed one after the other, and can be adjusted substantially concentrically to the target axis of the cast slab. The risk of thermal overload of the rollers and of damage to the slab surface is thereby significantly reduced, and the symmetrical cooling is also ensured.

The invention discloses a cross-road-network location anonymization method keeping statistical characteristics unchanged. First, road networks are extracted according to the road distribution in a target area, and road network areas are obtained through partitioning; then, a location anonymization candidate set meeting the protection requirements is constructed according to an actually needed scope of protection and the center-of-mass location of each road network area; and finally, a location anonymized road network area is determined according to the location point number difference, center-of-mass point distance and other parameters between a to-be-protected road network area and the road network areas in the candidate set, and cross-road-network location anonymization is carried out through location exchange. Road network areas are obtained through partitioning using road networks, and location anonymization is carried out between different road network areas, which can prevent attackers from acquiring user privacy by making use of the background knowledge of the location-territory relationship. In the invention, location anonymization is carried out through location exchange,which can keep the statistical characteristics of the overall data unchanged and does not affect the availability of data after privacy protection.

The invention discloses a virtual machine co-residency detection method based on response time sequence data analysis. The method comprises the following steps of 1), performing real-time acquisition of a response time sequence of a target virtual machine based on an ON-OFF interference injection mechanism, and then respectively extracting response time sequences of the target virtual machine in an interference condition and a normal condition; 2), processing abnormal values in acquired data; 3), calculating a co-residency probability; and 4), determining a detection result. According to the method of the invention, according to a characteristic of sharing a multi-tenancy resource of a cloud computing platform, the service response time sequences of the target virtual machine in the normal condition and the interference condition are acquired; through defining deviation degree between cloud models, the co-residency between a detecting virtual machine and the target virtual machine is calculated, thereby quantitatively describing the co-residency possibility between the detecting virtual machine and the target virtual machine. The virtual machine co-residency detection method ensures high accuracy and high reliability of a co-residency detection result and furthermore has high adaptability and high practical value.

The invention provides a data query method and device, equipment, a storage medium and a program product. The method comprises the steps that a coordinator generates a public key for encryption and a private key for decryption; at least two target participants are determined according to the at least two to-be-queried features, query requests corresponding to the target participants are determined, and feature data of part of the to-be-queried features are stored in the target participants; sending the public key and a query request corresponding to each target participant to the corresponding target participant; receiving a ciphertext query result sent by each target participant, wherein the ciphertext query result is determined by each target participant based on the public key and the query request received by each target participant; and determining target data according to the private key and the ciphertext query result sent by each target participant. The cross-table query of the data is realized on the premise of ensuring that the data is not out of the local of each participant, so that the data privacy can be protected, the data leakage is prevented, and the availability of the queried target data is not influenced.

A power plant, in the form of a combined heat and power (CHP) plant, may be co-located with a data center to provide redundant electrical power. The CHP plant and the data center may operate as an island, separate from the local electrical-utility grid. The CHP plant may have a redundant fuel source connection to reduce unavailability of fuel for the CHP and increase the uptime of the data center. The CHP plant may include turbines and engines to manage variable loads within the data center. The power plant may include multiple distributions busses in high-availability configurations to provide highly-reliable and high-quality electricity to the data center. The positioning of these elements in the power plant design provides economies of scale and eliminates single points of failure commonly found in data center configurations, increasing the reliability of the data center.

The invention belongs to the technical field of distributed storage, and particularly relates to a distributed parallel high-speed read-write system and method based on an IPFS, and the system comprises a client, a service control end, and a plurality of peer-to-peer distributed replica nodes. The service control terminal calculates a recommendation value of each copy node according to the operation parameter of each copy node, and establishes connection between the corresponding copy node with the highest recommendation value and the client according to the calculated recommendation value; completing a data reading process and a data writing process after the connection between the client and the copy node is established; the system has the advantages of being high in intelligent degree,high in efficiency and high in safety.