Article 8291 Video: Intelligent Cache Hinting in Lustre

Video: Intelligent Cache Hinting in Lustre

by
Rich Brueckner
from High-Performance Computing News Analysis | insideHPC on (#8291)
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"Data caching can provide increased performance when using a mix of high and low performance storage, but traditional replacement algorithms like LRU may evict important data in multi-tenant environments, or in situations where the cache is "cold". By tagging and prioritizing data within the storage system, we can create a more intelligent mechanism that avoids many of the problems inherent to traditional caching. Methods for prioritizing data and passing this information through the filesystem will be discussed, as well as a performance analysis of small file IO in Lustre with cache hinting, and possible future enhancements."

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