The invention discloses a process handling method and apparatus. The method comprises: determining a target process in at least one background process; freezing the target process, so that a running state of the target process is adjusted to a sleep state; if receiving a related handling instruction of the target process, caching the related handling instruction; if receiving an unfreezing instruction of the target process, unfreezing the target process, so that the target process is awakened; and the target process executing the cached related handling instruction. According to the process handling method and apparatus, system resources occupied by the target process can be released in a freezing mode, thereby increasing resource utilization rate; and at the same time, the unfrozen target process can execute the related handling instruction received during the freezing period, thereby improving process reliability.

Process handling method and apparatus

The invention discloses a data processing method and device which are applied to a control server. The control server is provided with a first queue and a second queue, the first queue is used for storing the time difference value of reading data from a data disk server, and the second queue is used for storing the time difference value for reading the data from a cache disk server, wherein the time difference values are used for representing the time difference between the time when a disk user initiates a request for data reading to the time when the disk finishes reading and responses to the disk user. By means of the data processing method and device, the data output capacity of the cache disk server and the data output capacity of the data disk server are balanced, the peak clipping of the cache disk server is realized, and the maximum data output capability of a whole server cluster is achieved.

Data processing method and device

The invention provides a method for reading a file in a distributed storage system and a server. The method for reading the file in the distributed storage system and the server are applied to the field of communication. The method for reading the file in the distributed storage system comprises the steps that: firstly, the server obtains a reading request from a client through a reading thread; then the server obtains corresponding file data from a corresponding disk based on the reading request; and finally, the server sends the obtained file data to the client through a pre-built returning thread. In comparison with the prior art, the reading thread can be released to process the next reading request without waiting for returning of the read file data as the file is sent to the client through the pre-built returning thread rather than the reading thread. The reading thread can be released as soon as possible to process the next reading request, the processing efficiency of the reading request is increased, the efficiency of obtaining the file data is further increased, the processing time is saved and the user experience is enhanced.

Method for reading file in distributed storage system and server

The invention discloses an SCST (small computer system target) reading and writing optimization method and system. The method includes the steps: distributing corresponding memory space for IO (input and output) request instructions when any IO request instruction transmitted by an Initiator terminal is acquired by a Target terminal in the executing process of a current data access command; performing response for the IO request instruction by the aid of the memory space. The data access command is an STSI (small computer system interface) reading command or an STSI writing command. According to the method, in the executing process of the data access commands, corresponding memory spaces are distributed in the IO transmission process every time, multiple memory distributing operations are performed in the executing process of the data access command once, memory spaces are not distributed once in all IO transmission processes in the executing process of the data access command, memory distributing failure caused by limitation of the SCST can be efficiently avoided, and SCST reading and writing performances are further improved.

SCST (small computer system target) reading and writing optimization method and system

The invention relates to a disk I/O (Input/Output) scheduling method and device. The method comprises the following steps: receiving an I/O operation request sent from equipment connected with a disk through an I/O interface; inserting the I/O operation request in front of the scheduling queue of a kernel layer; firstly, according to business types, inserting the I/O operation request into the business queue of an application layer; then, when the processing state of the I/O operation request conforms to a preset business queue scheduling trigger condition, inserting the I/O operation request in each business queue into the read queue or the write queue of the application layer according to the read-write type of the I/O operation; and then, inserting the I/O operation request in the read queue or the write queue of the application layer into the scheduling queue of the kernel layer so as to process the I/O operation request in the application layer according to a certain strategy. Therefore, an operating system can set an insertion strategy according to control requirements on read-write time delay, bandwidth and the like under a specific scene to meet controls requirements on the read-write time delay, the bandwidth and the like under the specific scene.

Disk I/O (Input/Output) scheduling method and device

The embodiment of the invention discloses a data reading method, a data reading device and data reading computer equipment. The method comprises the following steps of receiving a data reading request submitted by a user progress; generating at least two blocks of reading requests according to the data reading request; submitting the at least two blocks of reading requests to an IO (input/output) scheduling queue of a hard disk at one time; and reading the data requested by the data reading request to a user cache area from a hard disk cache area by scheduling the at least two blocks of reading requests in the IO scheduling queue. When data is read by the method, the device and the computer equipment, and the at least two blocks of reading requests are submitted and processed at one time, so that the processing efficiency and the data reading efficiency are improved; and for all blocks of reading requests of one data reading request, the user progress is logged in or wakened for only one time, so that the progress scheduling overhead in the computer equipment is saved, and then the overall performance of the computer equipment is improved.

Data reading method, device and computer equipment

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Data reading method, device and computer equipment