VINITA RATHICo Founder | SystangoEx VP | Goldman Sachs

DevOps, What should you decide, when, why & how?

• My limited experience in back office and post trade space • I left Goldman in late 2012• My understanding of DevOps

Disclaimers

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DevOps in nutshell

• Objective • Emphasis on performance and quality• Feedback process• Continuous development

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My 5 Years at Goldman

• Pre Sales – decisioning via data and its patterns • Priorities – Stability, data sanity, operability with other services

vs Speed to deliver • Plan ahead - It took us 4 months to get needed servers • Business Knowledge - We had to do end to end testing

including data verification • Technology challenges• Use of `Blessed` Technologies • DIY

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Technology

• Client/Server Architecture • SOA, DF and RV• SVN, Maven, Gradle, Hudson, Atlassian JIRA, Sybase,

Autosys• Java, C#, Proprietary language• Windows • Train based deployment for services with 2 weeks cycle for

production deployment • On demand deployment for clients (based off a home grown

client framework)

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Ended up with ...

• Come up with a solution based on what you have got. • If you need X, request for X + 5.• Plan very well, and early. Cannot include last minute

user feedbacks. • Long decision making process. • Coherent and consistency throughout. • Matured technologies and developers.• Scalability and stability focused.

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Systango

• Small teams working on different projects • Varied Businesses• Cultural barriers • Limited Budget and resources• Time to market

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Technology

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Ended up with …

• Need to use Open source as much as possible • Need to keep up to date• Need to deploy and iterate fast

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DEVOPS LANDSCAPE 2015Made by HashiCorp

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How do you decide which tools to use at what layer?

The budget and scalability needs ? Do you have individuals working on infrastructure?Need build-time configuration or run-time?Richer feature set or Simplicity? Want to automate the infrastructure provisioning process?

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Bare Minimum

• Make deployments business-as usual.• Make everyone a performance engineer.• Strengthen the safety net with automated testing.• Be strict with version control.• Peer code review. • Implement end-to-end performance monitoring and metrics.

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Tools I love

• Nagios

• ELK

• Collectd

• Docker

• Monit

• Jenkins

• Ansible

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Thank You!

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