Yehuda Sadeh-Weinraub writes: >> Is there a quick way to see which shadow files are safe to delete >> easily? > > There's no easy process. If you know that a lot of the removed data is on > buckets that shouldn't exist anymore then you could start by trying to > identify that. You could do that by: > > $ radosgw-admin metadata list bucket > > then, for each bucket: > > $ radosgw-admin metadata get bucket:<bucket name> > > This will give you the bucket markers of all existing buckets. Each data > object (head and shadow objects) is prefixed by bucket markers. Objects that > don't have valid bucket markers can be removed. Note that I would first list > all objects, then get the list of valid bucket markers, as the operation is > racy and new buckets can be created in the mean time. > > We did discuss a new garbage cleanup tool that will address your specific > issue, and we have a design for it, but it's not there yet. >
Could you share the design/ideas for making the cleanup tool. After an initial search I could only find two issues [1] http://tracker.ceph.com/issues/10342 [2] http://tracker.ceph.com/issues/9604 though not much details are there to get started. -- Abhishek
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