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ec79ac46c9
Today, we're completely blind about the progress of view updating on Staging files. We don't know how long it will take, nor how much progress we've made. This patch adds visibility with a new metric that will inform the number of bytes to be processed from Staging files. Before any work is done, the metric tell us the total size to be processed. As view updating progresses, the metric value is expected to decrease, unless work is being produced faster than we can consume them. We're piggybacking on sstables::read_monitor, which allows the progress metric to be updated whenever the SSTable reader makes progress. Signed-off-by: Raphael S. Carvalho <raphaelsc@scylladb.com> Closes #11751