Abstract: This application provides a method and an apparatus for planning a vehicle trajectory, an intelligent driving domain controller, and an intelligent vehicle. One example method includes: An intelligent driving domain controller of a first vehicle obtains a first trajectory of the first vehicle, obtains a second trajectory of at least one second vehicle based on a first communications technology, and then determines trajectory planning of the first vehicle based on the first trajectory and the second trajectory of the at least one second vehicle.

Abstract: A data processing method and apparatus are provided. The data processing method includes determining, according to a database execution plan, a partition quantity corresponding to a currently free programmable memory, partitioning the currently free programmable memory according to the partition quantity, to obtain a programmable memory partition corresponding to the partition quantity, and executing, using the programmable memory partition, a relational algebra logical operation corresponding to the database execution plan. Embodiments of the present disclosure can be used to improve data processing efficiency.

Abstract: A data processing method and apparatus are provided. The data processing method includes determining, according to a database execution plan, a partition quantity corresponding to a currently free programmable memory, partitioning the currently free programmable memory according to the partition quantity, to obtain a programmable memory partition corresponding to the partition quantity, and executing, using the programmable memory partition, a relational algebra logical operation corresponding to the database execution plan. Embodiments of the present disclosure can be used to improve data processing efficiency.

Abstract: Embodiments of the present invention disclose a method and an apparatus for data preheating, which relate to database technologies, so as to increase a responding speed of a database system, reduce frequent IO on a magnetic disk, and improve overall performance of the database system. The method includes: when a database is started, reading hit ratio information from a flash memory device and reading user configuration information from a hard disk; obtaining a union set of a preset hot data table in the user configuration information and a hot data table in the hit ratio information; determining the total number of to-be-loaded hot data blocks from the union set; according to the storage proportions, determining the to-be-loaded hot data block to be stored into a shared buffer and the flash memory device; and separately storing the to-be-loaded hot data block into the shared buffer and the flash memory device.

Abstract: Embodiments of the present invention disclose a method and an apparatus for data preheating, which relate to database technologies, so as to increase a responding speed of a database system, reduce frequent IO on a magnetic disk, and improve overall performance of the database system. The method includes: when a database is started, reading hit ratio information from a flash memory device and reading user configuration information from a hard disk; obtaining a union set of a preset hot data table in the user configuration information and a hot data table in the hit ratio information; determining the total number of to-be-loaded hot data blocks from the union set; according to the storage proportions, determining the to-be-loaded hot data block to be stored into a shared buffer and the flash memory device; and separately storing the to-be-loaded hot data block into the shared buffer and the flash memory device.