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In this talk, Paulin will go through the lessons learnt when she set-up/broke/fixed a small (5 node) Hadoop cluster on some EC2 instances in AWS.
She'll highlight her misunderstandings which lead to a poor-performing cluster in the first place, and then summarise her findings as positive and actionable pieces of advice to follow when setting up your own cluster.
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Paulin now works as Java developer, though her interest in "Big Data" stems from not being able to fully let go of her past roles as a Data Scientist and working at other "stat-sy" companies.