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- W2808182399 abstract "Cluster schedulers provide flexible resource sharing mechanism for short-running jobs, which occupy a majority of cloud jobs. A scheduler's configuration decides how to allocate resources among jobs and hence it is crucial to their performances. Today's cloud platforms usually rely on cluster administrators to set this configuration, thus it is difficult to optimally configure the scheduler so as to minimize the latencies of heterogeneous and dynamically changing jobs in the cloud. In this paper, we introduce AdaptiveConfig, a run-time configurator for cluster schedulers that automatically adapts to the changing workload and resource status. This includes: (1) an estimator to calculate jobs' performances under different configurations and various scheduling scenarios. The key idea here is to transform a scheduler's resource allocation mechanisms and their variable influence factors (configuration parameters, scheduling constraints, available resources, and workload status) into business rules and facts in a rule engine, thereby reasoning about these correlated factors in job performance estimation. (2) A run-time optimizer that efficiently searches the configuration space to find the optimal configuration for the current workload. We implemented AdaptiveConfig on the popular YARN Capacity and Fair schedulers and demonstrate its effectiveness using workloads of Facebook jobs, i.e. considerably reducing latencies by 2.22 times (and up to 4.50 times) with low optimization overheads." @default.
- W2808182399 created "2018-06-21" @default.
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- W2808182399 date "2018-07-01" @default.
- W2808182399 modified "2023-09-28" @default.
- W2808182399 title "AdaptiveConfig: Run-Time Configuration of Cluster Schedulers for Cloud Short-Running Jobs" @default.
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- W2808182399 doi "https://doi.org/10.1109/icdcs.2018.00158" @default.
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