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A comment on Lyft Files S-1. Parent comment

Re:Lyft Files S-1 by MuffinFlavored on Friday March 01, 2019 @10:49PM (#19287425)
What'd you use those 3 for?
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Re:Lyft Files S-1 by onlyrealcuzzo on Saturday March 02, 2019 @01:04AM (#19287853)
Basically, we had three types of data: 1) everything associated with the SERPs, 2) most things associated with payments, and 3) everything else.

Category three was relational, IIRC like ~2TB. We originally stored it all on a custom MySQL cluster, and we started running into pretty bad replication lag. Amazon came around with Arora and promised we'd never have any replication lag. We switched over. Still had replication lag.

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