The short version of what a data scientist needs on day one: where code runs, where data has to live, and the one habit that keeps a cluster busy.
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Download markdownget() resolves futures. That is enough for most workloads.get() inside a loop runs your tasks one at a time. Collect every future first, then call get() once on the list.Verify a workload is worth distributing before you spend cluster time on it.
Work through the usual causes when a distributed run is slower than expected.
Move a workload off hand-managed instances without losing reproducibility.