Abstract: The invention provides a continuous preparation method of 2,3,3,3-tetrafluoropropene, comprising the following steps: carrying out liquid-phase catalytic telomerization reaction on ethylene and carbon tetrachloride serving as initial raw materials in the presence of a composite catalyst to obtain a reaction product; performing two-stage membrane separation and purification on the reaction product, and then sequentially performing a primary high-temperature cracking reaction, a gas-phase chlorination reaction, a secondary high-temperature cracking reaction, a primary gas-phase catalytic fluorination reaction and a secondary gas-phase catalytic fluorination reaction to obtain a reaction product; condensing and rectifying the secondary gas-phase catalytic fluorination reaction product to obtain the 2,3,3,3-tetrafluoropropene product.

Abstract: Embodiments for optimizing resource usage in a distributed computing environment. Resource usage of each task in a set of running tasks associated with a job is monitored to collect resource usage information corresponding to each respective task. A resource unit size of at least one resource allocated to respective tasks in the set of running tasks is adjusted based on the resource usage information to improve overall resource usage in the distributed computing environment.

Abstract: For resource management for a parent child workload, a processor organizes a plurality of processes into a plurality of process groups. Each process group includes a given parent process and all child processes of the given parent process. Each process group has a process level. The processor further calculates a process cost for each process group and assigns a process priority to each process group based on the process cost for the process group. The processor iteratively assigns computing resources to subgroups of a given process group with a highest process priority at a given process level.

Abstract: For resource management for a parent child workload, a processor organizes a plurality of processes into a plurality of process groups. Each process group includes a given parent process and all child processes of the given parent process. Each process group has a process level. The processor further calculates a process cost for each process group and assigns a process priority to each process group based on the process cost for the process group. The processor iteratively assigns computing resources to subgroups of a given process group with a highest process priority at a given process level.

Abstract: Embodiments for optimizing resource usage in a distributed computing environment. Resource usage of each task in a set of running tasks associated with a job is monitored to collect resource usage information corresponding to each respective task. A resource unit size of at least one resource allocated to respective tasks in the set of running tasks is adjusted based on the resource usage information to improve overall resource usage in the distributed computing environment.