Abstract: A storage system, a storage node, and a data storage method are provided. The storage system includes a plurality of computing nodes and a plurality of storage nodes, and each storage node includes a hard disk. A client writes to-be-stored data into a memory of a first computing node, and writes a log of the to-be-stored data into storage space corresponding to a first access address of a first storage node. This implements storage of the to-be-stored data.

Abstract: The present disclosure is directed to the accurate and high throughput method for screening and identifying antigen-reactive T Cell Receptors (TCRs) capable of triggering effective T-cell activation.

Abstract: The present invention discloses a thermally conductive and vibration-isolating interface material, comprising thermally conductive strips in multiple groups of arrays, wherein the thermally conductive strip comprises an inner core on the inside, the outside of the inner core is covered with a back adhesive layer, the outside of the back adhesive layer is adhered with a heat transfer layer, the outside of the heat transfer layer is covered with an insulating layer, and a thermally conductive pad is provided on the outer side of the thermally conductive strip, with the area of the thermally conductive pad being greater than the surface area of the single thermally conductive strip.

Abstract: A metadata processing method includes a network interface card in a storage device that receives an input/output (I/O) request, where the I/O request includes a data read request or a data write request; the network interface card executes a metadata processing task corresponding to the I/O request; and when determining that the metadata processing task fails to be executed, the network interface card requests a CPU in the storage device to execute the metadata processing task.

Abstract: A storage system includes multiple storage nodes. Each storage node includes a first storage device of a first type and a second storage device of a second type, and a performance level of the first storage device is higher than the second storage device. The globe cache includes a first tier comprising the first storage device in each storage node, and a second tier comprising the second storage device in each storage node. The first tier is for storing data with a high access frequency, and the second tier is for storing data with a low access frequency. The management node monitors an access frequency of target data stored in the first tier. When the access frequency of the target data is lower than a threshold, the management node instructs the first storage node to migrate the target data from the first tier to the second tier.

Abstract: The present disclosure discloses a coupling device for photoelectric conversion and a laser radar. The device comprise a light receiving lens, a detector, and a coupling device provided between the light receiving lens and the detector, wherein the coupling device comprises an optical fiber and a lens group arranged coaxially with each other, the optical fiber is arranged near an end with the receiving lens, and the lens group is arranged near the other end with the detector; and the light receiving lens is configured to converge the signal light reflected by a target reflector and couple the converged signal light into an optical fiber, the lens group is configured to receive the signal light output from the optical fiber, and the detector is configured to receive the signal light that passes through the lens group and perform photoelectric conversion on the received signal light.

Abstract: The present utility model discloses a LiDAR heat dissipation structure and a LiDAR. The LiDAR comprises a mainboard, a chip, and a housing. The chip is provided on the mainboard. The heat dissipation structure comprises: a cold plate, the inner surface of the cold plate provided with a temperature equalization structure layer of multi-layer structure attached thereon and the outer surface of the cold plate facing away from the chip provided with a plurality of heat dissipation fins or heat dissipation slots formed thereon; and a heat pipe, fixedly embedded in the cold plate through a thermally conductive structural adhesive, wherein the cold plate couples with the housing to form a sealed cavity in which the mainboard and the chip are provided.

Abstract: A data storage system includes a host, an adapter card, and a storage node. The host establishes a communication connection to the adapter card through a bus, and the storage node establishes a communication connection to the adapter card through a network. The storage node is configured to store data that the host requests to write into a first memory space. The first memory space is a storage space that is provided by the adapter card for the host and that supports memory semantic access. The adapter card writes the data into a second memory space of the storage node, where the adapter card includes a first correspondence between a physical address of the second memory space and an address of the first memory space.

Abstract: The present disclosure discloses a motor for an on-vehicle LiDAR, the vehicle-borne LiDAR, and a vehicle. The motor comprises a rotor assembly, a flat rubber washer and an optical reflecting mirror, wherein the rotor assembly comprises a housing and a fastening ring, wherein an inner cylinder of the housing is provided with a welding portion at the periphery, and an air slot is provided between the welding portion and the inner cylinder of the housing; and the welding portion is fixed to the fastening ring by means of laser welding. Laser welding is used to fix the fastening ring to the housing of the motor.

Abstract: The present disclosure provides a stator seat, a stator assembly, a motor, a LiDAR, and a carrier system. The stator seat comprises a mounting column, the mounting column has a first end and a second end opposite to each other, an outer side wall of the mounting column proximate to the second end is provided with a surrounding mounting boss, the mounting boss is provided with an avoidance structure, and the avoidance structure is configured to avoid a winding of a wound stator.

Abstract: Provided are a motor assembly for a LiDAR, a LiDAR, and a carrier system. The motor assembly includes: a mounting bottom plate provided with a stator seat positioning groove; a circuit board assembled in a positioning manner to the mounting bottom plate; a stator seat located in the stator seat positioning groove and assembled in a positioning manner to the stator seat positioning groove, the stator seat being provided with a stator positioning protrusion protruding away from the mounting bottom plate; and a wound stator sleeved on the stator positioning protrusion and assembled in a positioning manner to the stator positioning protrusion.

Abstract: A storage system includes multiple storage nodes. Each storage node includes a first storage device of a first type and a second storage device of a second type, and a performance level of the first storage device is higher than the second storage device. The globe cache includes a first tier comprising the first storage device in each storage node, and a second tier comprising the second storage device in each storage node. The first tier is for storing data with a high access frequency, and the second tier is for storing data with a low access frequency. The management node monitors an access frequency of target data stored in the first tier. When the access frequency of the target data is lower than a threshold, the management node instructs the first storage node to migrate the target data from the first tier to the second tier.

Abstract: The present disclosure discloses a motor for an on-vehicle LiDAR, the vehicle-borne LiDAR, and a vehicle. The motor comprises a rotor assembly, a flat rubber washer and an optical reflecting mirror, wherein the rotor assembly comprises a housing and a fastening ring, wherein an inner cylinder of the housing is provided with a welding portion at the periphery, and an air slot is provided between the welding portion and the inner cylinder of the housing; and the welding portion is fixed to the fastening ring by means of laser welding. Laser welding is used to fix the fastening ring to the housing of the motor.

Abstract: A key-value (KV) storage method and apparatus, the method including receiving a write request, where the write request is associated with writing a first key and a first value, storing the first key in a first memory chip of a solid state drive (SSD), and storing the first value in a second memory chip of the SSD, where an erase count of the first memory chip is less than an erase count of the second memory chip, and creating a mapping relationship between the first key, a physical address of the first key, and a physical address of the first value, where the physical address of the first key indicates that the first key is stored in storage space of the first memory chip, and where the physical address of the first value indicates that the first value is stored in storage space of the second memory chip.

Abstract: A storage system includes a management node and multiple storage nodes. Each storage node includes a first storage device of a first type (e.g., DRAM) and a second storage device of a second type (e.g., SCM), and a performance level of the first storage device is higher than the second storage device. The management node creates a globe cache including a first tier comprising the first storage device in each storage node, and a second tier comprising the second storage device in each storage node. The first tier is for storing data with a high access frequency, and the second tier is for storing data with a low access frequency. The management node monitors an access frequency of target data stored in the first tier. When the access frequency of the target data is lower than a threshold, the management node instructs the first storage node to migrate the target data from the first tier to the second tier of the globe cache.

Abstract: The present disclosure relates to a method applied to a memory controller (MC). In an example, the MC is disposed in a computer. The computer further includes at least one central processing unit core and at least one memory. The MC receives a cyclic redundancy check (CRC) processing instruction sent by the at least one central processing unit core. The MC obtains target data from the at least one memory based on the CRC processing instruction. The MC performs calculation on the target data to obtain a CRC value of the target data. The MC sends the CRC value to the at least one central processing unit core.

Abstract: A data processing method includes obtaining a plurality of data blocks, determining a first data block and a second data block from the data blocks, where the first data block has a first hash value, and the second data block has a second hash value, where the first hash value is obtained by performing calculation on the first data block based on a hash algorithm and the second hash value is obtained by performing calculation on the second data block based on the hash algorithm, and combining and compressing the first data block and the second data block based on a degree of similarity of the first data block and the second data block.

Abstract: A metadata processing method includes a network interface card in a storage device that receives an input/output (I/O) request, where the I/O request includes a data read request or a data write request; the network interface card executes a metadata processing task corresponding to the I/O request; and when determining that the metadata processing task fails to be executed, the network interface card requests a CPU in the storage device to execute the metadata processing task.

Abstract: In a method disclosed for writing data, a device receives data, divides the data into one or more data fragments, obtains a first parity fragment based on the one or more data fragments and a second parity fragment of a written data fragment in a stripe distributed across a plurality of nodes, stores the one or more data fragments and the first parity fragment in the stripe.

Abstract: This application discloses a storage system, a data processing method, an apparatus, a node, and a storage medium, and pertains to the field of data storage technologies. In the method, a client determines an address that is in a storage unit and that is used to store to-be-written data, and sends the to-be-written data to a first storage device that is in a storage node and that is corresponding to the storage unit, so that the first storage device stores the to-be-written data while a CPU of the storage node does not need to determine a hard disk LBA corresponding to virtual address space, and a hard disk does not need to determine a corresponding physical address based on the hard disk LBA.