Throttling network bandwidth using per-node network interfaces
Abstract:
Methods and systems for throttling per-node network bandwidths over time to maximize the aggregate bandwidth of a distributed cluster of nodes without exceeding a global bandwidth allowance for the entire cluster are described. The throttling of the individual node network bandwidths may include periodically adjusting individual node bandwidth settings for each node of a plurality of nodes within the cluster using node network interfaces. The adjusting of the individual node bandwidth settings for each node of the plurality of nodes may take into account the number and type of jobs running within the cluster at a particular point in time. The updates to the individual node bandwidth settings may be transmitted such that a first subset of the plurality of nodes with decreasing individual node bandwidth allocations are updated prior to updating a second subset of the plurality of nodes with increasing individual node bandwidth allocations.
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