公开(公告)号：US20170060753A1

公开(公告)日：2017-03-02

申请号：US14839450

申请日：2015-08-28

Applicant: NetApp, Inc.

Inventor： Peter DENZ ,  Matthew Curtis-Maury ,  Peter Wyckoff

IPC: G06F12/08

CPC classification number: G06F12/0871 ,  G06F3/06 ,  G06F12/0813 ,  G06F12/0868 ,  G06F12/0875 ,  G06F12/0893 ,  G06F2212/314 ,  G06F2212/452 ,  G06F2212/604

Abstract: Presented herein are methods, non-transitory computer readable media, and devices for integrating a workload management scheme for a file system buffer cache with a global recycle queue infrastructure. Methods for allocating a certain portion of the buffer cache without physically partitioning the buffer resources are disclosed which include: identifying a workload from a plurality of workloads; allocating the buffer cache in the data storage network for usage by the identified workload; tagging a buffer from within the buffer cache with a workload identifier and track each buffer; determining if the workload is exceeding its allocated buffer cache; and wherein determining the workload is exceeding its allocated percentage of buffer cache, enabling the workload's exceeded buffer to be available to scavenge; determining if the workload is exceeding a soft-limit on the allowable usage of the buffer cache, and wherein determining the workload is exceeding its soft-limit, degrading the prioritization of subsequent buffers, preventing the workload from thrashing out buffers of other workloads.

Abstract translation: 这里呈现的是用于将用于文件系统缓冲器高速缓存的工作负载管理方案与全局循环队列基础设施集成的方法，非暂时计算机可读介质和设备。 公开了用于分配缓冲区高速缓存器的某一部分而不物理划分缓冲器资源的方法，其包括：从多个工作负载识别工作负载; 在数据存储网络中分配缓冲区高速缓存以供所识别的工作负载使用; 使用工作负载标识符从缓冲区高速缓存中标记缓冲区并跟踪每个缓冲区; 确定工作负载是否超过其分配的缓冲区高速缓存; 并且其中确定所述工作负载超过其分配的缓冲器高速缓存的百分比，使得所述工作负载的超出缓冲器能够被清除; 确定所述工作负载是否超过对所述缓冲器高速缓存的允许使用的软限制，并且其中确定所述工作负载超过其软限制，降低后续缓冲器的优先级，从而防止所述工作负载颠倒其他工作负载的缓冲区。