3 Ways to Improve Performance from a Storage Perspective

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In this session, get three takeaways about Perforce performance benchmarks and their results across varying storage protocols, using NetApp storage as an example. Learn how to use Perforce benchmarks and tools to validate the performance of your Perforce deployment; understand Perforce performance across different storage protocols; and get tips and tricks for deploying Perforce on varying storage technologies.

Technology

#
3 Ways to Improve Performance
from a Storage Perspective
Vibhor Gupta - NetApp
Tim Brazil - Perforce

#
Vibhor Gupta
Applications Eng.
NetApp Inc.
Tim Brazil
Performance Lab Eng.
Perforce Software
Tim Brazil entered the software industry as a Sys
Admin and soon moved into Quality Assurance
roles at leading database companies. He joined
Perforce in March 2007, where his focus is
performance-related issues as they apply to
client/server environments.
Vibhor Gupta is a Technical Marketing
Engineer at in Tech-Apps at NetApp. He
partnered with Perforce, working on the
characterization of the Perforce Application on
NetApp Storage. He also is involved in the
characterization of the EDA workload, where
Perforce is heavily used for SCM

#
Agenda
• Introduction
• Benchmarks
• Test Results and Analysis
• Key Takeaways

#
Introduction
• Perforce Server Deployment: Considerations
− Performance
− Cost
− Backup and Recovery

#
Performance Lab Benchmarks
• Branchsubmit
• Branchsubmit-edit
• Browse
• Sync
• Deltas

Cold vs. Warm FilesystemCache
#
• Cold cache
• Warm cache

Reference01 Dataset
#
Scenario Test Environment #1 Test Environment #2
Description Sizes
reference01 total size ~35 GB
p4 files //depot/... | wc -l 25200000
p4 files -a //depot/... | wc -l 72625000 revisions
p4 files //depot/main/0... | wc -l 70000 files
p4 files //depot/main/00/00/most/sites/have/longer/paths/jam/src/* | wc -l 70 files
p4 dirs //depot/r* | wc -l 35 release directories

Branchsubmit
#
Compute Phase
Elapsed Time
Exiting Time
Commit Rate
integrate -v
create change
submit

Branchsubmit-edit
#
integrate
edit
submit
Compute Phase
Elapsed Time
Exiting Time
Commit Rate
create change

Browse Benchmark
#
P4D Server
32 Browse Children
1024 Browses
32 Browse Children
1024 Browses
65536 Total Browses
Total Completion Time

Sync Benchmark
#
P4D Server
32 Sync Children
32 Syncs
32 Sync Children
32 Syncs
2048 Total Syncs
Total Completion Time
GB Sync’ed

Deltas Benchmark
#
Clear
Cache
Start
Server
Run
Cmd
Run
Cmd 7x
Run
Cmd
Stop
Server
Result #1 Result #2
Completion Time Per Command

#
Write Performance (Cold Cache)
12000
10000
8000
6000
4000
2000
0
Branchsubmit
Files/Second
Branchsubmit
NFSv3
iSCSI
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
Branchsubmit-Edit
Files/Second
Branchsubmit-Edit
NFSv3
iSCSI

#
Write Performance (Warm Cache)
25000
20000
15000
10000
5000
0
branchsubmit
Files/Second
Branchsubmit
FCP
iSCSI
NFS
25000
20000
15000
10000
5000
NFS/iSCSI split
(db only on
iSCSI) 0
branchsubmit-edit
Files/Second
Branchsubmit-Edit
FCP
iSCSI
NFS
NFS/iSCSI split (db
only on iSCSI)
NFS/iSCSi split (db
& journal on iSCSI)

#
Read Performance
160
140
120
100
80
60
40
20
0
sync
Seconds
Sync
FCP
iSCSI
NFS
NFS/iSCSI split
(db only on
iSCSI)
300
250
200
150
100
50
0
browse(1)
Seconds
Browse
FCP
iSCSI
NFS
NFS/iSCSI (logs
only on iSCSI)

#
Deltas
8
7
6
5
4
3
2
1
0
Seconds
Deltas
NFS
iSCSI
FCP

#
Best Practices
• For best write performance, Perforce metadata and journals should be
placed on faster storage like FC or iSCSI.
• For NFS, recommended mount options local_lock=all and nocto
• For heavy server logging, use FCP or iSCSI.

#
Key Takeaways
FC iSCSI iSCSI and NFS
(Split
Configuration)
NFS
Performance Excellent Excellent Good Fair
Cost Fair Excellent Excellent Excellent
Ease of backup and
recovery
Fair Fair Good Excellent
Protocol
Criterion

#
RESOURCES
Technical Report: http://www.netapp.com/us/media/tr-4164.pdf
Public Benchmarks: ftp://ftp.perforce.com/perforce/tools/benchmarks/

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If you could ship 20% faster, what would it mean for your business? What could you build? Better question, what’s slowing your teams down? Teams struggle to manage branching and merging. For bigger teams and projects, it gets even more complex. Tracking development using a flowchart, team wiki, or a white board is ineffective. And attempts to automate with complex scripting are costly to maintain. Remove the bottlenecks and automate your development your way with Perforce Streams –– the flexible branching model in Helix Core. Join Brad Hart, Chief Technology Officer and Brent Schiestl, Senior Product Manager for Perforce version control to learn how Streams can: -Automate and customize development and release processes. -Easily track and propagate changes across teams. -Boost end user efficiency while reducing errors and conflicts. -Support multiple teams, parallel releases, component-based development, and more.

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The spread of coronavirus has fundamentally changed the way people work. Companies around the globe are making an abrupt shift in how they manage projects and teams to support their newly remote workers. Organizing suddenly distributed teams means restructuring more than a standup. To facilitate this transition, teams need to update how they collaborate, manage workloads, and maintain projects. At Perforce, we are here to help you maintain productivity. Join Johan Karlsson — our Agile expert — to learn how to: Keep communication predictable and consistent. -Increase visibility across teams. -Organize projects, sprints, Kanban boards and more. -Empower and support your remote workforce.

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This document discusses how to scale Helix Core using Microsoft Azure. It begins by explaining the benefits of using Helix Core and Azure together, such as high performance, scalability, security integration, and availability. It then covers computing, storage, and security options on Azure, including virtual machine types and operating system choices. Next, it describes how to set up global deployments with Helix Core on Azure using techniques like proxies, replicas, and the Perforce federated architecture. It concludes with examples of advanced topologies like build servers, hybrid cloud/on-premises implementations, and multi-cloud considerations.

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Modernizing an application’s architecture is often a necessary multi-year project in the making. The goal –– to stabilize code, detangle dependencies, and adopt a toolset that ignites innovation. Moving your monolith repository to a microservices/component based development model might be on trend. But is it right for you? Before you break up with anything, it is vital to assess your needs and existing environment to construct the right plan. This can minimize business risks and maximize your development potential. Join Tom Tyler and Chuck Gehman to learn more about: -Why you need to plan your move with the right approach. -How to reduce risk when refactoring your monolithic repository. -What you need to consider before migrating code.

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1. # 3 Ways to Improve Performance from a Storage Perspective Vibhor Gupta - NetApp Tim Brazil - Perforce

2. # Vibhor Gupta Applications Eng. NetApp Inc. Tim Brazil Performance Lab Eng. Perforce Software Tim Brazil entered the software industry as a Sys Admin and soon moved into Quality Assurance roles at leading database companies. He joined Perforce in March 2007, where his focus is performance-related issues as they apply to client/server environments. Vibhor Gupta is a Technical Marketing Engineer at in Tech-Apps at NetApp. He partnered with Perforce, working on the characterization of the Perforce Application on NetApp Storage. He also is involved in the characterization of the EDA workload, where Perforce is heavily used for SCM

3. # Agenda • Introduction • Benchmarks • Test Results and Analysis • Key Takeaways

4. # Introduction • Perforce Server Deployment: Considerations − Performance − Cost − Backup and Recovery

5. # Performance Lab Benchmarks

6. # Performance Lab Benchmarks • Branchsubmit • Branchsubmit-edit • Browse • Sync • Deltas

7. Cold vs. Warm FilesystemCache # • Cold cache • Warm cache

8. Reference01 Dataset # Scenario Test Environment #1 Test Environment #2 Description Sizes reference01 total size ~35 GB p4 files //depot/... | wc -l 25200000 p4 files -a //depot/... | wc -l 72625000 revisions p4 files //depot/main/0... | wc -l 70000 files p4 files //depot/main/00/00/most/sites/have/longer/paths/jam/src/* | wc -l 70 files p4 dirs //depot/r* | wc -l 35 release directories

9. Branchsubmit # Compute Phase Elapsed Time Exiting Time Commit Rate integrate -v create change submit

10. Branchsubmit-edit # integrate edit submit Compute Phase Elapsed Time Exiting Time Commit Rate create change

11. Browse Benchmark # P4D Server 32 Browse Children 1024 Browses 32 Browse Children 1024 Browses 65536 Total Browses Total Completion Time

12. Sync Benchmark # P4D Server 32 Sync Children 32 Syncs 32 Sync Children 32 Syncs 2048 Total Syncs Total Completion Time GB Sync’ed

13. Deltas Benchmark # Clear Cache Start Server Run Cmd Run Cmd 7x Run Cmd Stop Server Result #1 Result #2 Completion Time Per Command

14. # Result Analysis

15. # Write Performance (Cold Cache) 12000 10000 8000 6000 4000 2000 0 Branchsubmit Files/Second Branchsubmit NFSv3 iSCSI 9000 8000 7000 6000 5000 4000 3000 2000 1000 0 Branchsubmit-Edit Files/Second Branchsubmit-Edit NFSv3 iSCSI

16. # Write Performance (Warm Cache) 25000 20000 15000 10000 5000 0 branchsubmit Files/Second Branchsubmit FCP iSCSI NFS 25000 20000 15000 10000 5000 NFS/iSCSI split (db only on iSCSI) 0 branchsubmit-edit Files/Second Branchsubmit-Edit FCP iSCSI NFS NFS/iSCSI split (db only on iSCSI) NFS/iSCSi split (db & journal on iSCSI)

17. # Read Performance 160 140 120 100 80 60 40 20 0 sync Seconds Sync FCP iSCSI NFS NFS/iSCSI split (db only on iSCSI) 300 250 200 150 100 50 0 browse(1) Seconds Browse FCP iSCSI NFS NFS/iSCSI (logs only on iSCSI)

18. # Deltas 8 7 6 5 4 3 2 1 0 Seconds Deltas NFS iSCSI FCP

19. # Best Practices • For best write performance, Perforce metadata and journals should be placed on faster storage like FC or iSCSI. • For NFS, recommended mount options local_lock=all and nocto • For heavy server logging, use FCP or iSCSI.

20. # Key Takeaways FC iSCSI iSCSI and NFS (Split Configuration) NFS Performance Excellent Excellent Good Fair Cost Fair Excellent Excellent Excellent Ease of backup and recovery Fair Fair Good Excellent Protocol Criterion

21. # RESOURCES Technical Report: http://www.netapp.com/us/media/tr-4164.pdf Public Benchmarks: ftp://ftp.perforce.com/perforce/tools/benchmarks/

22. # Questions ?

Editor's Notes

This illustrates the results from the browse benchmark. As you can see, FCP, iSCSI and split configuration the results were basically the same, however, for NFS, results were poor.
For the Deltas test, which is a read benchmark, FCP, iSCSI, and NFS are comparable in performance.
Summary of Best Practices include: [first animation] For best write performance, Perforce metadata and journals should be placed on FC or iSCSI. [second animation] If using NFS, recommended mount options include local_lock=all and nocto. (Mention it works only with dedicated NFS server). [third animation] If the log level of Perforce application is set to a high value (3 or greater or debug) or the server activity introduces high logging, place logs on FC or iSCSI to alleviate performance issue.

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