| P. Pradhan and R. Tewari and S. Sahu and A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002. |
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002), May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-managing Web Servers. In Proceedings of ACM/IEEE Intl Workshop on Quality of Service (IWQoS), Miami Beach, FL, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. Technical report, University of Massachusetts, Amherst, CS-TR-02-06, February 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards SelfManaging Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002), May 2002.
....the relationship between resource parameters and the QoS goal. We chose an observation based approach for adaptation as it is most suited for handling varying workloads and non linear behaviors. The differences of this approach from the others mentioned above is discussed in more detail in [13]. Figure 3 depicts how delay may vary with share assigned to a class (the share for a class translates to its resource utilization) This figure illustrates that (i) the delay share relationship may d d D w m 1 2 1 w Delay Share Fig. 3. Delay share relation for different request ....
P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. Technical report, University of Massachusetts, Amherst, CS-TR-02-06, February 2002.
....a technique based on reinforcement learning. Several other approaches ranging from control theory to online measurements and optimizations can also be employed to address this problem. While no such study exists for storage systems, both control theory [1] and online measurements and optimizations [6, 15] have been employed for dynamically allocating resources in web servers. Utility based optimization models for dynamic resource allocation in server clusters have been employed in [11] Feedback based dynamic proportional share allocation to meet real rate disk I O requirements have been studied ....
P. Pradhan, R. Tewari, S. Sahu, A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-managing Web Servers. In Proceedings of ACM/IEEE Intl Workshop on Quality of Service (IWQoS), Miami Beach, FL, May 2002.
.... model is applicable to many hardware and software resources found on a server; hardware resources include the network interface bandwidth, the CPU and in some cases, the disk bandwidth, while software resource include socket accept queues in a web server servicing multiple virtual domains [19] [24]. B. Problem Definition Consider a shared server that runs multiple third party applications. Each such application is assumed to specify a desired quality of service; the QoS requirements are specified in terms of a target response time. The goal of the system is to ensure that the mean ....
....application in the presence of varying workloads. V. RELATED WORK Several research efforts have focused on the design of adaptive systems that can react to workload changes in the context of storage systems [3] 20] general operating systems [26] network services [7] web servers [5] 19] [24], 9] 11] and Internet data centers [2] 25] In this paper, we focused on an abstract model of a server resource with multiple class specific queues and presented analytic techniques for dynamic resource allocation; our model and allocation techniques are applicable to many scenarios where the ....
P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
.... model is applicable to many hardware and software resources found on a server; hardware resources include the network interface bandwidth, the CPU and in some cases, the disk bandwidth, while software resource include socket accept queues in a web server servicing multiple virtual domains [19] [24]. B. Problem Definition Consider a shared server that runs multiple third party applications. Each such application is assumed to specify a desired quality of service; the QoS requirements are specified in terms of a target response time. The goal of the system is to ensure that the mean ....
....application in the presence of varying workloads. V. RELATED WORK Several research efforts have focused on the design of adaptive systems that can react to workload changes in the context of storage systems [3] 20] general operating systems [26] network services [7] web servers [5] 19] [24], 9] 11] and Internet data centers [2] 25] In this paper, we focused on an abstract model of a server resource with multiple class specific queues and presented analytic techniques for dynamic resource allocation; our model and allocation techniques are applicable to many scenarios where the ....
P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan and R. Tewari and S. Sahu and A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan and R. Tewari and S. Sahu and A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan and R. Tewari and S. Sahu and A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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P. Pradhan and R. Tewari and S. Sahu and A. Chandra and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In IWQoS '02, 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An observation-based approach towards self-managing Web servers. In International Workshop on Quality of Service, Miami Beach, FL, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An observation-based approach towards self-managing web servers. In International Workshop on Quality of Service, Miami, FL, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An observation-based approach towards self-managing web servers. In International Workshop on Quality of Service, Miami, FL, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy, "An Observation-Based Approach Toward Self-Managing Web Servers, " Proc. Int'l Workshop Quality of Service, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An observation-based approach towards self-managing web servers. In 10th International Workshop on Quality of Service, Miami Beach, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An observation-based approach towards self-managing web servers. In International Workshop on Quality of Service, Miami, FL, May 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An observation-based approach towards self-managing web servers, 2002.
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P. Pradhan, R. Tewari, S. Sahu, A. Chandra, and P. Shenoy. An Observation-based Approach Towards Self-Managing Web Servers. In Proceedings of the Tenth International Workshop on Quality of Service (IWQoS 2002.
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