E. Borowsky, R. Golding, A. Merchant, E. Shriver, M. Spasojevic, and J. Wilkes. Eliminating Storage Headaches Through Self-Management. In Proceedings of the Symposium on Operating Systems Design and Implementation, October 1996.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....nature of web workloads [10, 13] and the interactions between various QoS mechanisms makes the task of configuring and tuning modern web servers exceedingly complex. It has been argued that the more complex the system, the greater are the chances of a mis configuration and sub optimal performance [4, 9]. To address this problem, in this paper, we develop an adaptive architecture to make web servers selfmanaging. By self managing, we mean mechanisms to automate the tasks of configuring and tuning the web server so as to maintain the QoS requirements of the different service classes. The emphasis ....

E. Borowsky, R. Golding, A. Merchant, E. Shriver, M. Spasojevic, and J. Wilkes. Eliminating Storage Headaches Through Self-Management. In Proceedings of the Symposium on Operating Systems Design and Implementation, October 1996.

....can effectively identify high quality query execution plans, and the selected plans are in general comparable to or better than those generated by other methods. 25] presented techniques used to automatically make file caching and prefetching decisions based on the hints of access patterns. [6] has proposed an attribute managed storage system approach to enable selfmanagement of complex storage systems. Some researchers are also investigating automatic performance optimization using compiler techniques. 5] presented performance optimization for an out of core application using compile ....

E. Borowsky, R. Golding, A. Merchant, E. Shriver, M. Spasojevic, and J. Wilkes. Eliminating storage headaches through self-management. In Proceedings of the Second Symposium on Operating Systems Design and Implementation, Seattle, WA, 1996.

....systems, our merge predicates decrease the number of transactions aborted due to out of date caches. Many previous projects have explored feedback driven adaptation in extensible operating systems [52] databases [13, 14] file systems [39] global operating systems [9] and storage devices [10, 60]. Although these projects employ differing techniques and terminology, each could be analyzed with respect to the introspective model. The Seer project formulated the concept of semantic distance [33] and collects clusters of related files for automated hoarding. Others have used file system ....

E. Borowsky, R. Golding, A. Merchant, E. Shriver, M. Spasojevic, and J. Wilkes. Eliminating storage headaches through selfmanagement. In Proc. of USENIX Symp. on OSDI, Oct. 1996.

....efficient use of the disk resources that are available. Active Disks can also aid in the collection of statistics and performance metrics of individual devices and workloads. This information can then be used by a higher level management system to optimize the layout and placement of the workload [Borowsky96, Borowsky98]. This makes possible systems with a much greater amount of self tuning and self management that typical storage systems today. In order to scalably perform such monitoring and control, it is necessary to have control and computation at the end devices, rather than attempting to monitor everything ....

....accurate, giving agreement within 17 of the performance of real disks by adding details of prefetching and scheduling that had not previously been considered. These models have been used to develop higher level storage management systems that predict system load and rebalance work appropriately [Borowsky96, Borowsky97, Borowsky98]. 9.2.3 Drive Scheduling The work of Worthington and Ganger at Michigan studied the benefits of using various levels of complexity in the scheduling of disk requests. They found that modeling prefetching and caching helps dramatically, but that detailed geometry information provides only ....

Borowsky, E., Golding, R., Merchant, A., Shriver, E., Spasojevic, M. and Wilkes, J. "Eliminating Storage Headaches Through Self-Management" OSDI, October 1996.

....life. Similar ideas applied to NASD can reduce heating e ects by optimizing power consumption. potentially increasing the reliability of the disk subsystem [22] 2. 5 Virtual Disks HPL s current e orts are directed towards coming up with a storage system that has self management capabilities [25]. This includes the initial con guration setup, management, and updation of system to adapt to changing workloads and requirements. In their approach to provide QoS guaranteed virtual stores, the current workload requirements and the device abilities are continually fed into the assignment engine ....

Borowsky E.; Golding R.; et. al.,\Eliminating storage headaches through selfmanagement, " Proc. of the 1996 OSDI Symposium, Seattle, WA, Oct. 1996.

....a hybrid push pull protocol to collect data from individual machines. His emphasis is on monitoring and diagnosis. We are planning to use CARD as a building block for our monitoring and diagnosis system. The Storage Systems Program at HP are working on a system called self management of storage[20]. Their focus is on automatic assignment of storage devices; humans do not have to worry where to put what. Their prototype system is capable of assigning several thousands of objects to devices in a few minutes. Sun s Jini[21] makes devices, including disks, identify themselves as part of their ....

Elizabeth Borowsky, Richard Golding, Arif Merchant, Elizabeth Shriver, Mirjana Spasojevic, and John Wilkes. Eliminating storage headaches through self-management. In Proceedings of the 1996 OSDI, October 1996.

....data. Sorting algorithms based on tape s sequential access method have also been used for many years [18] SLEDs may provide the infrastructure for understanding the delay in retrieval necessary to support economic query optimization models in database systems [28] HP s attribute managed storage [4] incorporates performance descriptions of the storage devices to be integrated into a storage system. Their goal is to meet system wide performance and data integrity goals through monitoring and feedback, providing quality of service by adjusting the system configuration over time. Synergistic ....

E. Borowsky, R. Golding, A. Merchant, E. Shriver, M. Spasojevic, and J. Wilkes. Eliminating storage headaches through self-management. In Proc. Second USENIX Symp. on Operating Systems Design and Implementation. USENIX, Oct. 1996. workin -progress abstract.

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E. Borowsky, R. Golding, A. Merchant, E. Shriver, M. Spasojevic, and J. Wilkes. Eliminating Storage Headaches Through Self-Management. In Proceedings of the Symposium on Operating Systems Design and Implementation, October 1996.

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Borowsky, E., et al, "Eliminating storage headaches through self-management", www.hpl.hp.com/SSP/papers/IWQoS97.pdf Gibson, G, et al, "Filesystems for Network-Attached Secure Disks". March 1997.

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Elizabeth Borowsky, Richard Golding, Arif Merchant, Elizabeth Shriver, Mirjana Spasojevic, and John Wilkes. Eliminating storage headaches through selfmanagement. In Proceedings of the 1996 OSDI, October 1996.

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