Dynamic adjustment of a process scheduler in a data storage system based on loading of the data storage system during a preceding sampling time period

Dynamic adjustment of a process scheduler in a data storage system based on loading of the data storage system during a preceding sampling time period

Technology for dynamically adjusting a process scheduler in a storage processor of a data storage system. An average amount of host data contained in sets of host data processed by host I/O request processing threads is calculated. An average amount of time required for each host I/O request process...

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Hauptverfasser: Rafikov, Rustem, Didier, John P, Armangau, Philippe, Zimmerman, Bruce A
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Rafikov, Rustem
Didier, John P
Armangau, Philippe
Zimmerman, Bruce A
description Technology for dynamically adjusting a process scheduler in a storage processor of a data storage system. An average amount of host data contained in sets of host data processed by host I/O request processing threads is calculated. An average amount of time required for each host I/O request processing thread to execute to completely process the average amount of host data contained in a set of host data is also calculated. Operation of the process scheduler in the storage processor is then adjusted to cause the process scheduler to subsequently allocate the processor in the storage processor to host I/O request processing threads in timeslices having a duration that is at least as large as the average amount of time required for each host I/O request processing thread to execute to completely process the average amount of host data contained in a set of host data.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Dynamic adjustment of a process scheduler in a data storage system based on loading of the data storage system during a preceding sampling time period
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