142results about How to "Reduce the risk of downtime" patented technology

The invention relates to a distributed metadata management method and system. The distributed metadata management method particularly includes the steps of carrying out storage: carrying out partition to form independent metadata nodes for storing metadata and independent user table nodes for storing user tables, adopting a plurality of metadata nodes to store multiple copies of the metadata, and forming main copy nodes and auxiliary copy nodes, wherein the same metadata are stored in the main copy nodes and the auxiliary copy nodes; carrying out verifying: carrying out data verification on the main copy nodes and the auxiliary copy nodes to guarantee that the metadata stored in the main copy nodes and the metadata stored in the auxiliary copy nodes are coincident; carrying out repairing: building monitoring rings based on the main copy nodes and the auxiliary copy nodes through the ZooKeeper technology, and when it is monitored that some main copy nodes or some auxiliary copy codes fail, triggering switching between the main copy nodes and the auxiliary copy nodes through the monitoring rings to achieve repairing of the failed nodes. The distributed metadata management system corresponds to the technical schemes of the distributed metadata management method in a one-to-one mode. The distributed metadata management method and system solve the problem of single-node failures in metadata management and achieves the aim of coincidence among multiple copies.

The invention provides a Spark big data platform-based CLR multi-label classification method, and relates to a data mining technology. Each data set is divided into an area through a relationship between characteristics and labels; one part of data sets are randomly extracted from the data sets in a training set as test sets; base classifiers are built by the remaining data sets as the training set; and the test sets are used for testing a classifier and modifying parameters of the base classifiers thereof, thereby selecting the best base classifier from multiple trained base classifiers as the base classifier of the data set. A prediction set is predicted by using the final base classifiers. A CLR multi-label learning algorithm is combined with a memory-based efficient computing theory of Spark, no correlation after label transformation in a CLR algorithm is fully utilized, the interference among different base classifiers is reduced, the operating speed of a computing framework of the Spark is fully utilized and data can be effectively mined.

The invention discloses a medical equipment repairing system based on a WeChat official platform and an operation method thereof. The medical equipment repairing system includes a hospital user terminal, an engineer terminal, a communication platform, a QR-code generation client, a database, a seat customer service terminal, and a data processing server, wherein the communication platform is usedfor connecting the hospital user terminal, the engineer terminal, and the data processing server to enable the hospital user terminal, the engineer terminal, and the data processing server to communicate with each other; the QR-code generation client is used for encoding each equipment according to the hospital equipment information or automatically encoding the system, then generating an equipment QR-code according to the code while performing group coding on the group of equipment, and then generating the equipment group QR-code at the same time; the database is used for storing data; the seat customer service terminal is used by staff service, accesses staff service, can communicate with the data processing server to obtain the repair information, and can communicate with the hospital user terminal and the engineer terminal; and the data processing server is used for data management and communication management.

The invention discloses a server error diagnosis method based on supervised learning. The method specifically includes: utilizing massive fault information to train a supervised-learning model to generate a fault prediction model, and utilizing a fault prediction model for prediction analysis on errors of a server. According to the server error diagnosis method based on supervised learning of theinvention, limitation of traditional methods of setting thresholds to detect faults is broken, a highly efficient algorithm is utilized to automatically analyze and predict log contents, time costs ofmanual server fault diagnosis are released, and fault levels are fully automatically analyzed and predicted.

The present invention discloses a customer service system and a customer service method thereof. The method comprises: when a call request from a user terminal is received and an idle seat is not detected, sending prompt information to the user terminal so as to prompt a user of the user terminal to send down a service request; receiving and storing the information of the service request from the user terminal; when the idle seat is detected, distributing the stored information of the service request to the idle seat so that the idle seat responds to the service request; and sending the received idle seat to the user terminal in accordance with the service response information of the service request.

The invention provides a data processing system and method and device for resource recovery after thread crash. The method for resource recovery after thread crash comprises the steps that every record in a resource information record chart is traversed, wherein one record of the resource information record chart stores the resource metadata of one source and thread information of threads using the resource; the resource metadata of the resource used by the crashed thread are determined according to the traversal result; the resource metadata of the resource used by the crashed thread are inserted into a resource distribution queue so as to be redistributed to the thread. By means of the scheme, the resource information of the resource used by the crashed threads can be determined, the resource metadata of the resource used by the crashed thread are inserted into the resource distribution queue so as to be redistributed to the restarted thread, no high expense is caused to other threads in the system, the crashed thread and the corresponding resource can be restarted rapidly, the risk of system crash is reduced, and operating stability is improved.

The invention provides an electric transmission line project foundation prefabricated construction method. The electric transmission line project foundation prefabricated construction method comprisesthe steps of a construction preparation stage, foundation prefabricated construction, prefabricated foundation transporting, excavation of a foundation pit and construction of an under layer, foundation hoisting in position, foundation backfilling and the like. The construction preparation stage comprises the steps of field selection, manufacturing of a movable type construction platform, manufacturing of a template, manufacturing of a suspension center pre-buried piece, hoisting of a steel wire rope and the like. The foundation prefabricated construction comprises the steps of preparation, mounting of inserting angle iron, rib braiding and template erecting, pouring, foundation identification, transferring and maintenance of the prefabricated foundation, quality detection of raw materials and concrete and the like. The prefabricated field in the construction method is fixed, the reshipment quantity of the construction raw materials, equipment and instruments are reduced, wear and loss in the reshipment process of the materials and the instruments are reduced, interference of outside factors is eliminated, resource investment is reduced, the influence of terrain to construction iseliminated, the operation frequency and time in the foundation pit are decreased, construction potential safety hazards are lowered, and the labor condition is improved.

The present invention discloses a gas turbine energy saving type incoming gas anti-icing apparatus, provides improvement on the existing gas turbine air compressor inlet air anti-icing apparatus, and relates to the technical field of non-variable-capacity engines, heat exchange and pipeline systems. The gas turbine energy saving type incoming gas anti-icing apparatus is characterized in that the mixing heating device structure is that multi-row mixing heating alignment pipes (11) are aligned in a parallel manner, both ends of the mixing heating alignment pipes (11) are connected with connection boxes (10), one ends of the connection boxes (10) on both ends of the alignment pipes are communicated to form an n shape, the middle portion of the communication edge of the n-shaped connection box (10) is connected with a wind outlet pipe of an induced fan, the n-shaped connection box and the horizontal plane form downward inclination with an angle of 1-3 DEG along the air flow direction, and the lowest end bottom is provided with a tiny connection box low point drainage hole (12). According to the present invention, gas turbine unit power loss caused by the anti-icing system can be reduced, adverse effects of the anti-icing system on gas turbine unit operation stability can be reduced, and effects of anti-icing, frost prevention and energy saving are provided.

The invention relates to a log data processing method and system. The method comprises the following steps of: creating a plurality of log data reading instances corresponding to a message queue in adata center server; from a second preset time, opening the created log data reading instances in sequence by taking a preset time period as an interval; respectively reading log data from the messagequeue through the log data reading instances which are opened in sequence; and after the read log data is stored persistently, closing the log data reading instances which read the log data until thelog data in the message queue is completely read. By adoption of the method, the condition that the log data is lost in the transmission process can be decreased.

The invention discloses a twemproxy-based Redis cluster method, and relates to the field of cache formation. The twemproxy-based Redis cluster method comprises the following steps: a service party requests a connection through a redis client to send data; an Lvs performs four-layer load, and transmits the load to an Lvs host after receiving a client request; after receiving the request, the Lvs sends the data to a twemproxy host according to a load rule; the twemproxy finds a redis host according to a fragmentation rule allocated by the client after receiving the request and sends data; and after receiving the request, the Redis host stores the data and synchronizes to a slave and returns the data. The invention proposes a new redis cluster solution based on the twemproxy redis cluster solution. The current online environment preliminary test has good stability, has certain disaster tolerance, reduces the server downtime risk, and is suitable for redis-dependent distribution environment.

The invention discloses an automatically-welded adjustable adaptive conducting brush device. The automatically-welded adjustable adaptive conducting brush device comprises a fixing base, an adjustingscrew rod, a contact and a conducting mandrel; the fixing base is fixedly connected with a shell of a rotary table or a positioned; the adjusting screw rod is of a tubular structure, transversely penetrates through the fixing base and is in threaded connection with the fixing base; one end of the contact abuts against a rotating head of the rotary table or the positioned, and the other end of thecontact is arranged on one side of the interior of the adjusting screw rod; and the conducting mandrel is arranged on the other side of the interior of the adjusting screw rod, one end of the conducting mandrel abuts against the other end of the contact, and the other end of the conducting mandrel protrudes to the adjusting screw rod and is grounded through a ground wire. According to the automatically-welded adjustable adaptive conducting brush device, the adaptive conducting brush device is connected with the rotating head through the ground wire, therefore, the ground wire can rotate alongwith one end of the rotary table or the positioned, winding and interference are avoided, the stop risk generated during welding is reduced, and the welding efficiency and quality are improved.

The invention discloses an adjusting method and system for generating power of a wind generation set, a medium and electronic equipment. The adjusting method comprises steps as follows: acquiring thecurrent wind speed; calculating current turbulence intensity according to the current wind speed; detecting current generating power of the wind generation set exceeds a preset power threshold value or not if the current turbulence intensity exceeds preset critical turbulence intensity; and reducing the generating power by reducing electromagnetic torque of the wind generation set if the current generating power of the wind generation set exceeds the preset power threshold value. When the wind speed changes rapidly, the generating power of the wind generation set is reduced by reducing the torque, so that the shutdown risk of the wind generation set due to the fact that the generating power exceeds the limit is greatly reduced, and the generating capacity is effectively improved.

A method for locating a possible root cause of system discrepancy in a process control system uses a system model including software representations of process control endpoint devices interconnected via a communication network using a number of links, where each link is provided for communication in relation to a process control function between two endpoint devices and includes a set of communication network elements and a reference to a set of communication parameters of the process control function. In the method an indication that at least one communication parameter deviates from a communication requirement is obtained, a link where reference is made to the communication parameter identified, communication network elements contributing to the functioning of the link identified and at least one of the communication network elements indicated as a possible cause of the deviation.

The invention relates to a data processing method, a server cluster and a storage medium, and belongs to the technical field of cloud computing. The method is applied to a server cluster, the server cluster comprises a first node server and a second node server, and the method comprises the following steps: when the first node server determines that second network data of the second node server meets a preset abnormal condition, the first node server judges whether the first network data of the first node server meets the preset abnormal condition or not; If not, the first node server obtainsfirst configuration information of at least one second virtual machine deployed on the second node server from the cluster database; And the first node server evacuates at least one second virtual machine deployed on the second node server to the first node server for reconstruction based on the first configuration information. According to the method, when cloud platform nodes break down, affected virtual machines can be automatically evacuated to other healthy nodes for reconstruction, and manual intervention is not needed in the whole process.

The invention discloses a resource scheduling method and device. The method includes the steps that health status information of all hosts in a current environment is monitored and input in a pre-defined health status data model to obtain health status data of all the hosts; resource utilization rate data of all the hosts in the current environment is acquired; the hosts with the health status data and the resource utilization rate data being within a preset range are screened out to serve as standby hosts, and a scheduling preparation instruction is generated; the resource utilization rate data and the health status data serve as reference objects, target hosts are selected from the standby hosts, the target hosts are added into a target host list, and a scheduling instruction is generated in combination with resource scheduling information; the resource scheduling process is executed according to the scheduling instruction. From the top, the health status data and the resource utilization rate data of the hosts are comprehensively considered, the problems caused by the fact that only the parameter of the low resource utilization rate is considered can be effectively avoided, the reliability of resource scheduling is improved, and the risk of a crash is reduced.

The invention provides a metadata reading method and device, a storage medium and electronic equipment, and relates to the technical field of data management. The metadata reading method comprises thefollowing steps: querying metadata in a local cache in response to a metadata reading request sent by an application end; if the metadata is not queried in the local cache, querying the metadata in aremote cache; if the metadata is not queried in the remote cache, querying the metadata in a remote persistent database; and reading the metadata obtained by query. The network bottleneck problem caused by obtaining metadata through remote calling under high concurrency and large flow can be solved, and the query speed and efficiency are improved.

The invention provides a token-based system flow control method and device, electronic equipment and a storage medium. The token-based system flow control method includes: receiving quasi flow controlconfiguration items configured by a first authority account, wherein the quasi-flow control configuration items include at least token pool information, a token pool flow control manner and a token pool flow control type; using the quasi-flow control configuration items as flow control configuration items after determination from a second authority account; and determining request quantity and concurrence quantity according to the flow control configuration items and real-time data flow for system flow control. The method and the device provided by the invention ensure stability of a system,reduce downtime risks, enhance robustness of services, and improve user experience.

The embodiment of the invention provides a safe update method and device for cooling strategy configuration, and a controlled terminal. The method comprises the following steps that: obtaining and encrypting a cooling strategy parameter configuration file; uploading and decrypting the encrypted cooling strategy parameter configuration file to a BMC (Baseboard Management Controller); and updating the cooling parameter to a new cooling strategy parameter configuration file, and executing parameters in the new configuration file by the BMC. By use of the method, when a cooling engineer needs to revise and update the PID (Proportion Integration Differentiation) speed regulation parameter and the linear speed regulation parameter of the temperature of an air inlet, the encryption certificate ofa current server manufacturer is used for encryption, corresponding certificate decryption is carried out in the BMC so as to achieve the safe verification of the configuration file, finally, only the correct cooling strategy configuration file is generated, illegal personnel can be prevented from tampering the configuration file, and the risk of server crash is lowered.

The invention relates to a seat data processing method and device, and a seat data querying method and device. The seat data processing method includes: receiving an occupied seat querying request sent by a user side; responding to the occupied seat querying request, and detecting whether a condition that data is cached in an occupied seat cache and the valid date of the cached data is not out of date is met or not; reading an occupied seat data set from the occupied seat cache if so, and returning the occupied seat data set to the user side; and fetching an occupied seat data set from a third part seat data server so as to return the occupied seat data set to the user side if not, and updating the occupied seat cache and the valid date according to the fetched occupied seat data set. The seat data processing method and device and the seat data querying method and device can decrease the load of the third party seat data server, and then lower the downtime risk.

The invention relates to the technical field of shield tunneling construction equipment installation, in particular to a monitoring device for a main bearing of a shield tunneling machine. The monitoring device for the main bearing of the shield tunneling machine comprises a through hole formed in a main drive large flange plate of the shield tunneling machine, wherein a sensor provided with a detection head close to an inner ring of the main bearing and used for acquiring an axial displacement signal of the main bearing is arranged in the through hole. Through the sensor, the displacement amount of the axial displacement of the main bearing is monitored, so that whether the axial clearance exceeds the standard or not is monitored so as to judge whether the main bearing is severely worn, the fault of the main bearing is predicated in advance, the risk of shut down due to the fault of the main bearing is reduced, the construction safety is ensured, and the construction efficiency is improve. Meanwhile, a nylon sleeve for protecting the sensor is arranged on the sensor in a sleeving way.

The invention relates to a jacking device for replacing a saddle arm of a rotating bearing of a continuous casting rotating table and a construction method of the jacking device. The method includes the steps that a saddle arm supporting device is arranged, four hydraulic jacks of the same model are placed at the corresponding positions of the saddle arm, the hydraulic jacks are started, the lifting heights keep consistent, and jacking is performed in segments till the rotating bearing can transversely move and will not make any contact with a rotating table body; after the bearing is slowly pulled to a bearing transverse movement support through a chain block, a new bearing is allocated and transported to the bearing transverse movement support; after a collecting and guiding rail of the new bearing is pulled into a base and centered, the bearing is lifted, an erected steel pipe is detached, and the bearing is totally in place; and a body falls back; a saddle arm supporting system is detached, a hydraulic jacking system is detached, and the transverse movement support is detached. According to the jacking device, the whole rotating table body does not need to be hoisted away, the hydraulic synchronous jacking technology is adopted, and transverse replacement of the rotating large bearing is achieved; and the whole device is made of common steel materials, and cost is low.