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Tim Feldman
Technologist
Product Development
@timfoon
OpenStack Icehouse Design Summit
November 2013

2.
Agenda
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3.
Workload Generation, Tracing and Analysis
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4.
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

5.
swift-bench 20-MiB objects
Sequential Run Counts and Data Transfer Counts by Sequential Run Size
100%
90%
80%
high seq'l run count
90% of the disk ops
move 1% of the data
med. seq'l run count
low seq'l run count
high data xfer count
60%
50%
40%
med. data xfer count
30%
low data xfer count
20%
10%
0.1
1
10
100
1000
Sequential Run Length [KiB]
10000
0%
100000
Cumulative Portion
70%

6.
swift-bench 20-MiB objects
Sequential Run Counts and Data Transfer Counts by Sequential Run Size
100%
90%
80%
60%
high seq'l run count
med. seq'l run count
50%
low seq'l run count
high data xfer count
40%
med. data xfer count
30%
low data xfer count
20%
10%
0.1
1
10
100
1000
Sequential Run Length [KiB]
10000
0%
100000
Cumulative Portion
70%

7.
When, where and how big

8.
A new open storage platform

9.
Disintermediated Hardware and Software

10.
Disintermediate
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11.
Disaggregated Storage

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Disaggregate
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13.
Seagate’s Kinetic Open Storage
Platform

14.
SAS
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versus
Kinetic Open Storage
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15.
Kinetic
Device
Functional
Model

16.
Kinetic Open Storage API
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Partition
Collection
Name
Chunk id

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Kinetic Open Storage API
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18.
Kinetic Open Storage API
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19.
Kinetic Open Storage API
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20.
Kinetic Open Storage API
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21.
Kinetic Open Storage API
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22.
Kinetic-Swift In Action
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23.
Kinetic-Swift Topology

24.
Kinetic Open Storage Platform