Tim Feldman Technologist Product Development @timfoon

OpenStack Icehouse Design Summit November 2013

Agenda

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Workload Generation, Tracing and Analysis

Detailed look a 3 of 60 drives

disk s2b1/sdn (low)

s3b1/sdd (ave)

s3b1/sdp (high)

trace duration [minutes] 29.2 29.1 29.1 command rate [IOPS] 37.4 52.5 57.9 data transferred [GB] 20.8 23.6 25.9

data throughput [MB/s] 11.9 13.5 14.8

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0.1 1 10 100 1000 10000 100000

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Sequential Run Length [KiB]

swift-bench 20-MiB objectsSequential Run Counts and Data Transfer Counts by Sequential Run Size

high seq'l run count

med. seq'l run count

low seq'l run count

high data xfer count

med. data xfer count

low data xfer count

90% of the disk ops move 1% of the data

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0.1 1 10 100 1000 10000 100000

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Sequential Run Length [KiB]

swift-bench 20-MiB objectsSequential Run Counts and Data Transfer Counts by Sequential Run Size

high seq'l run count

med. seq'l run count

low seq'l run count

high data xfer count

med. data xfer count

low data xfer count

When, where and how big

A new open storage platform

Disintermediated Hardware and Software

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Disintermediate

Disaggregated Storage

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Disaggregate

Seagate’s Kinetic Open Storage Platform

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SAS versus Kinetic Open Storage

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Device Functional Model

Kinetic

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Kinetic Open Storage API

Partition Collection Name Chunk id

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Kinetic Open Storage API

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Kinetic Open Storage API

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Kinetic Open Storage API

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Kinetic Open Storage API

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Kinetic Open Storage API

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Kinetic-Swift In Action

Kinetic-Swift Topology

Kinetic Open Storage Platform