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2013, parts of dw now life in Hadoop, after I have repurposed 40 decommissioned former database nodes into a test hadoop cluster and it scaled almost linearly.

There are a lot of replication chains now.

Primary servers are still special, because we have neither invented GTID nor parallel replication, yet.

Fleet size is a solid 4 digits.

And we are only 6. Against 200 devs trying to break stuff.

I vanish, giving SQL classes to devs, teaching …