Scality Holberton Interview Training
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Transcript of Scality Holberton Interview Training
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Interview training @ Scality
Giorgio Regni, CTOVianney Rancurel, Head of Research
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© Scality 20162
Scality Key Facts• Founded: 2009
• Offices in San Francisco (HQ), Washington, Paris, Tokyo, Boston, Singapore, London
• Ranked #1 by IDC
• 100+ cloud-scale customers worldwide
• 76 Software engineers
• 600 million end users
• 900 billion objects in production
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© Scality 20163
US, EMEA, Japan, 600 Million End Users, 900+ Billion Objects
SERVICE PROVIDERS
MEDIA & ENTERTAINMENT
R&D INTENSIVE INDUSTRIES
PUBLICSECTOR
FINANCIALSERVICES
ACTIVEARCHIVES
CONTENTDISTRIBUTION
WEB & CLOUDSERVICES
PRIVATE STORAGE CLOUDS
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Copyright Scality 2014
Linear performance scaling
Scality RING: Compatible with today’s DC, delivering cloud economics, addressing 80% of Enterprise workloads
FILE-BASEDAPPLICATIONS
OBJECT-BASEDAPPLICATIONS
PARALLEL, HIGH PERFORMANCE ACCESS TO DATA
Limitless infrastructure scaling
Scality RINGSoftware Defined Storage
SCALITY RING SOFTWARE
Replication Erasure Coding Geo-Redundancy
Distributed DB Object Storage Self-Healing
RING Management Security
Apps
x86 servers
Scality RING is a software-defined storage platform ,…
… deployed on industry-standard hardware, …
…with a rich set of protocols and interfaces, …
… intelligent data protection mechanisms and geo-distributed architectures
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The interview process
7 interviewsEach interviewer votes GO/NO GO
1st interview is gatekeeper
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The ideal candidate
What we want to see
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Smart & get things done!
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Culture fit
1.Passion
2.Soft skills are very important!
3.Can this candidate work within my team?
4.Is the candidate interested in something else than himself?
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Learning machine
1.Software engineering evolves very very quickly
2.It’s not about what you know but your ability to learn
3.Maturity, know your own strengths and weaknesses
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Global feedback
Common mistakes we observed
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Behavior
1.Look at me, not away, not at the floor, not at the ceiling
2.Slow down, it’s OK to think before answering
3.Be clear and concise, go back to #2
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Behavior
1.Don’t be evasive about what you want
2.Be prepared to answer where you want to be in 3 years
3.If you selected a particular programming language, make sure you are fluent in it
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Coding test time
What we want to see
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Mastery of the tools: Python: the exercise is very simple, it should take 5 minutes and then
jumps on a conversation C: Start with a clean source code template, fluent with the tool chain
Maturity: Are you asking questions? Rephrasing the problem? Or just jumping without thinking?
Video Distribution
Enterprise Backup & Archive
Government & Surveillance
What we’re looking for:
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What we got
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Q&A
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Download Scality S3 Server!
http://s3.scality.com/
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Thank You
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