3results about How to "Reduce processing range" patented technology

Embodiments of the present disclosure disclose an adaptive memory conversion method and device for a distributed file system. A specific implementation of the method comprises: dividing a metadata set in a target directory to obtain a metadata subset group; setting a corresponding memory data structure form for each metadata subset; determining a target metadata subset; executing a corresponding access processing flow on the target metadata subset to obtain and output a final access result; obtaining access feature sets and system resource states of each metadata subset in the metadata subset group in real time to obtain a directory index set; determining memory data structure form conversion instructions corresponding to metadata subsets to be converted in the metadata subset group to obtain a conversion instruction set and a to-be-converted metadata subset group; and performing data reconstruction on the to-be-converted metadata subset group to obtain a converted metadata subset group. The implementation can improve memory utilization, reduce redundant memory occupation, and reduce unnecessary data access overhead.

The utility model relates to the technical field of shield cutters, and provides a positioning device for shield cutter machining, which comprises a placing plate, a moving block, a moving frame, a push rod motor, a fixing frame, an auxiliary sheet, a first connecting sheet, a fixing shaft, a connecting pipe, a connecting pin, a first connecting block, a telescopic rod, a second connecting block, a second connecting sheet and a positioning plate, the moving block is slidably connected into the containing plate, a moving frame is installed on the upper surface of the moving block, a push rod motor is installed on the upper surface of the moving frame, the output end of the push rod motor penetrates through the interior of the moving frame, the fixing frame is installed at the output end of the push rod motor, and an auxiliary piece is installed on the inner side face of the fixing frame. The outer side face of the first connecting piece is installed on the inner side face of the fixing frame, and a fixing shaft is rotationally connected into the first connecting piece. By means of the technical scheme, the problem that in the prior art, a shield cutter is difficult to position flexibly after being placed is solved.