<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">741a4060-35fa-11e5-966d-20c9d048ce61!</div><div class=""><br class=""></div><div><blockquote type="cite" class=""><div class="">On Jul 29, 2015, at 12:37, Philip Durbin <<a href="mailto:philipdurbin@gmail.com" class="">philipdurbin@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><p dir="ltr" class=""><a href="https://eng.uber.com/mezzanine-migration/" class="">https://eng.uber.com/mezzanine-migration/</a></p><p dir="ltr" class="">"<b class="">Lessons Learned</b></p><p dir="ltr" class=""><b class="">Use </b><b class="">UUIDs</b>: <i class="">Always use </i><i class="">UUIDs</i><i class=""> for everything.</i> If you start out with integer IDs and you experience large growth, it’s a lot of tedious work to undo it."</p>
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