PONDICHERRY BRANCH VILLUPURAM BRANCH
Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main
Road,100 FEET ROAD...
PONDICHERRY BRANCH VILLUPURAM BRANCH
Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main
Road,100 FEET ROAD...
PONDICHERRY BRANCH VILLUPURAM BRANCH
Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main
Road,100 FEET ROAD...
PONDICHERRY BRANCH VILLUPURAM BRANCH
Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main
Road,100 FEET ROAD...
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PriDyn: Enabling Differentiated I/O Services in Cloud using Dynamic Priorities

PONDICHERRY BRANCH Technos Inc.,II nd Floor, Natesan Tower, 100 FEET ROAD, PUDUCHERRY, 605 005 CT: +91 9566492473, +91 9585338678. E-MAIL: contact.technos@gmail.com , www.technosinc.blogspot.com , www.technosinc.page.tl VILLUPURAM BRANCH Technos Inc., Pondy Main Road, Koliyanur, Villupuram.605103 CT: +919942340236, +919444340236. E-MAIL: technosprojects@gmail.com www.technosinc.blogspot.com , www.technosinc.page.tl Project Cost Starting Range Rs 1,500 for Clients with Full Documentation with Complete 24*7 Online Support
Published on: Mar 4, 2016
Published in: Engineering      
Source: www.slideshare.net


Transcripts - PriDyn: Enabling Differentiated I/O Services in Cloud using Dynamic Priorities

  • 1. PONDICHERRY BRANCH VILLUPURAM BRANCH Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main Road,100 FEET ROAD, PUDUCHERRY, 605 005 . Koliyanur, Villupuram. 605103. CT: +91 9566492473, +91 9585338678. CT: +919942340236,+919444340236. E-MAIL: contact.technos@gmail.com , E-MAIL: technosprojects@gmail.com www.technosinc.page.tl , www.technosinc.blogspot.com Project Cost Starting Range Rs 1,500 with Full Documentation withComplete 24*7 Support PriDyn: Enabling Differentiated I/O Services in Cloud using Dynamic Priorities Abstract: Virtualization is one of the key enabling technologies for Cloud computing. Although it facilitates improved utilization of resources, virtualization can lead to performance degradation due to the sharing of physical resources like CPU, memory, network interfaces, disk controllers, etc. Multi-tenancy can cause highly unpredictable performance for concurrent I/O applications running inside virtual machines that share local disk storage in Cloud. Disk I/O requests in a typical Cloud setup may have varied requirements in terms of latency and throughput as they arise from a range of heterogeneous applications having diverse performance goals. This necessitates providing differential performance services to different I/O applications. In this paper, we present PriDyn, a novel scheduling framework which is designed to consider I/O performance metrics of applications such as acceptable latency and convert them to an appropriate priority value for disk access based on the current system state. This framework aims to provide differentiated I/O service to various applications and ensures predictable performance for critical applications
  • 2. PONDICHERRY BRANCH VILLUPURAM BRANCH Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main Road,100 FEET ROAD, PUDUCHERRY, 605 005 . Koliyanur, Villupuram. 605103. CT: +91 9566492473, +91 9585338678. CT: +919942340236,+919444340236. E-MAIL: contact.technos@gmail.com , E-MAIL: technosprojects@gmail.com www.technosinc.page.tl , www.technosinc.blogspot.com Project Cost Starting Range Rs 1,500 with Full Documentation withComplete 24*7 Support in multi-tenant Cloud environment. We demonstrate through experimental validations on real world I/O traces that this framework achieves appreciable enhancements in I/O performance, indicating that this approach is a promising step towards enabling QoS guarantees on Cloud storage. Existing System: A large number of applications hosted on Cloud environment such as scientific applications, database management systems, file storage, multimedia streaming etc. are I/O intensive in nature. Such applications may suffer large variations in performance depending upon the type of storage, configuration of the VM they are running in and the number of tenant VMs collocated on the same host, sharing the hardware. In Cloud data centers, a generic placement policy usually decides the allocation of physical hosts to different VMs based on system boundary conditions (i.e. hardware capacity) and resource requirements. The dichotomy between application performance and workload consolidation becomes highly relevant in scenarios where multiple VMs are accessing the shared storage at the same time resulting in unpredictable performance. It is pertinent that such issues are resolved so that users get guaranteed
  • 3. PONDICHERRY BRANCH VILLUPURAM BRANCH Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main Road,100 FEET ROAD, PUDUCHERRY, 605 005 . Koliyanur, Villupuram. 605103. CT: +91 9566492473, +91 9585338678. CT: +919942340236,+919444340236. E-MAIL: contact.technos@gmail.com , E-MAIL: technosprojects@gmail.com www.technosinc.page.tl , www.technosinc.blogspot.com Project Cost Starting Range Rs 1,500 with Full Documentation withComplete 24*7 Support performance for their I/O services hosted on the Cloud. Proposed System: We propose a novel disk scheduling framework PriDyn (DYNamic PRIority) which provides differentiated services to various I/O applications co-located on a single host based on their latency attributes and desired performance. It is assumed that Cloud users specify the performance requirements of the I/O applications in terms of the data size (for bulk reads/writes) or request size (for transactional applications) and the desired deadline i.e. the maximum time by which the application is required to finish execution. To achieve differentiation in I/O performance, the framework employs a scheduling algorithm which dynamically computes latency estimates for all concurrent I/O applications for a given system state. Based on these, an appropriate priority assignment for the applications is determined which will be taken into consideration by the underlying disk scheduler at the host while scheduling the I/O applications on the physical disk. Hardware Requirements: • System : Pentium IV 2.4 GHz. • Hard Disk : 40 GB.
  • 4. PONDICHERRY BRANCH VILLUPURAM BRANCH Technos Inc., II nd Floor, Natesan Tower, Technos Inc., Pondy Main Road,100 FEET ROAD, PUDUCHERRY, 605 005 . Koliyanur, Villupuram. 605103. CT: +91 9566492473, +91 9585338678. CT: +919942340236,+919444340236. E-MAIL: contact.technos@gmail.com , E-MAIL: technosprojects@gmail.com www.technosinc.page.tl , www.technosinc.blogspot.com Project Cost Starting Range Rs 1,500 with Full Documentation withComplete 24*7 Support • Floppy Drive : 1.44 Mb. • Monitor : 15 VGA Colour. • Mouse : Logitech. • RAM : 256 Mb. Software Requirements: • Operating system : - Windows XP. • Front End : - JSP • Back End : - SQL Server Software Requirements: • Operating system : - Windows XP. • Front End : - .Net • Back End : - SQL Server

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