Tim Burke candidacy for Swift PTL

Change-Id: I7b9380744af978f214de081b1dfaea196b7e12e0

candidates/wallaby/Swift/tburke@nvidia.com

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+I'd like to announce my candidacy for Swift PTL for the Wallaby cycle.
+
+This past year, Swift celebrated ten years running in production. Much
+has changed in that time: new features have been developed and polished,
+versions of Python have come and gone, and clusters have grown to
+staggering capacities. However, our commitment to operational excellence
+remains the same.
+
+Recently (particularly in the last several months), I've noticed our
+contributors increasingly have an operator's mindset. We look for more
+and better ways to measure Swift. We seek to reduce client impacts from
+config reloads and upgrades. We take greater ownership over the health
+and performance of our clusters. To a large extent, we're all operators
+now.
+
+The benefits have been enormous. We've improved performance; we've
+upgraded without disrupting any client requests; we've migrated clusters
+to Python 3 to position them well for the next ten years. Through it
+all, clients put ever more data into Swift.
+
+The increases in demand bring almost incomprehensible scales. We now see
+individual clusters sustaining tens of thousands of requests every
+second. We see containers with a billion objects. We see expansions that
+are as large as many whole clusters were just a few years ago.
+
+This is our next great challenge: how do we move away from a world where
+expansions are a rarity that may require a bit of a scramble and into a
+world of constant expansion? How can we effectively manage clusters with
+thousands of nodes? How do we shift from thinking in terms of petabytes
+to exabytes? I can't wait to see how we rise to meet this challenge.