@aral If you run a migration with preboot enabled, the old dynos may start crashing before the new ones are up.
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@aral It should, but as many great talks on zero downtime deploys point out it can't be on during database migrations.Thanks. Twitter will use this to make your timeline better. UndoUndo
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@aral Ooh that does look good. Wonder how many people will get caught out with DB migrations though…!Thanks. Twitter will use this to make your timeline better. UndoUndo
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