busbey opened a new pull request #1446: HBASE-23723 Ensure MOB compaction works in optimized mode after snapshot clone URL: https://github.com/apache/hbase/pull/1446 This is broken up into 3 commits that should be squashed before merging. * First refactor the MOB compaction tests so that they do more code reuse, so we can add our test(s) once and cover the various configuration options (tests should still pass after this commit) * Next add test(s) for when a snapshot clone happens to ensure we still properly can compact (the write amplification optimized tests will start to fail here) * Fix how we keep track of mob reference files so that we can tell where they ought to be in the filesystem even after a snapshot clone, essentially by aggregating at the hfile level the amount of information we have when resolving a given cell (tests should again pass)
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