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Description
When converting a pretty large database from B1 to TSM, I noticed that the system was not freeing the space attributed to the B1 shards after they had been converted. When looking at the lsof output, the files have the type DEL-W, which leads me to believe that something inside the conversion tool is retaining the file handle, preventing the OS from freeing up the space. As it is now, in order to convert a database from B1 to TSM, you'll have to have 2 * size of B1 shards + size of newly-created TSM shards, which may make conversion difficult for space-constrained systems.
/cc @joelegasse