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SCHEDULE: NOV 16-21, 2014
When viewing the Technical Program schedule, on the far righthand side is a column labeled "PLANNER." Use this planner to build your own schedule. Once you select an event and want to add it to your personal schedule, just click on the calendar icon of your choice (outlook calendar, ical calendar or google calendar) and that event will be stored there. As you select events in this manner, you will have your own schedule to guide you through the week.
Storage Support for Data-Intensive Applications on Extreme-Scale HPC Systems
SESSION: Doctoral Showcase - Dissertation Research I
EVENT TYPE: Doctoral Showcase
TIME: 11:00AM - 11:15AM
SESSION CHAIR: Karen L. Karavanic
Presenter(s):Dongfang Zhao
ROOM:386-87
ABSTRACT:
Many believe that current HPC design would not meet the I/O requirement of the emerging exascale computing due to the segregation of compute and storage resources. Indeed, our simulation predicts, quantitatively, that system availability would go towards zero at exascale. This work proposes a storage architecture with node-local disks for HPC systems. Although co-locating compute and storage is not a new idea, it has not been widely adopted in HPC systems. We build a node-local filesystem, FusionFS, with two major principles: maximal metadata concurrency and optimal file write, both of which are crucial to HPC applications. We also discuss FusionFS’ integral features such as hybrid and cooperative caching, efficient accesses to compressed files, space-efficient data redundancy, distributed provenance tracking, and integration with data management systems. We have evaluated FusionFS on petascale supercomputers with 64K-cores and, compared its performance with major storage systems such as GPFS, PVFS, HDFS, and S3.
Chair/Presenter Details:
Karen L. Karavanic (Chair) - Portland State University
Dongfang Zhao - Illinois Institute of Technology
Click here to download .ics calendar file
