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4118f2d8be
seastar::later() was recently deprecated and replaced with two alternatives: a cheap seastar::yield() and an expensive (but more powerful) seastar::check_for_io_immediately(), that corresponds to the original later(). This patch replaces all later() calls with the weaker yield(). In all cases except one, it's unambiguously correct. In one case (test/perf scheduling_latency_measurer::stop()) it's not so ambiguous, since check_for_io_immediately() will additionally force a poll and so will cause more work to be done (but no additional tasks to be executed). However, I think that any measurement that relies on the measuring the work on the last tick to be inaccurate (you need thousands of ticks to get any amount of confidence in the measurement) that in the end it doesn't matter what we pick. Tests: unit (dev) Closes #9904