USING A CACHE CLUSTER OF A CLOUD COMPUTING SERVICE AS A VICTIM CACHE
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United States of America Patent
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Issued Date -
Sep 15, 2016
app pub date -
Mar 11, 2015
filing date -
Mar 11, 2015
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Abstract
Technology is disclosed for using a cache cluster of a cloud computing service (“cloud”) as a victim cache for a data storage appliance (“appliance”) implemented in the cloud. The cloud includes a cache cluster that acts as a primary cache for caching data of various services implemented in the cloud. By using the cache cluster as a victim cache for the appliance, the read throughput of the appliance is improved. The data blocks evicted from a primary cache of the appliance are stored in the cache cluster. These evicted data blocks are likely to be requested again, so storing them in the cache cluster can increase performance, e.g., input-output (I/O) throughput of the appliance. A read request for data can be serviced by retrieving the data from the cache cluster instead of a persistent storage medium of the appliance, which has higher read latency than the cache cluster.
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