DISTRIBUTED RESOURCE CONTENTION DETECTION AND HANDLING

摘要

A system and method are disclosed for detecting and handling resource contention in a cluster file system. In one implementation, a processing device determines a measure of congestion for a resource that is shared by a first node of a cluster file system and a second node of the cluster file system, where the first node has a first local queue for lock requests for the resource, and wherein the second node has a second local queue for lock requests for the resource. The processing device adjusts a parameter for a node of the cluster file system in view of the measure of congestion.

主权项

1. A method comprising:
tracking, by a processing device, lock requests for a resource shared by a plurality of nodes of a cluster file system, wherein each node of the cluster file system has a local queue, and wherein the respective local queues of each node track lock requests for the resource; maintaining, by the processing device, a plurality of request queue lengths for the local queues of the nodes; determining, by the processing device, a measure of congestion for the resource, wherein the measure of congestion is in view of the plurality of request queue lengths; and adjusting, by the processing device, a relative lock hold time for a first node of the cluster file system in view of the measure of congestion.