[GitHub] [accumulo] keith-turner commented on issue #1327: No-chop merges

["keith-turner (via GitHub)" <gi...@apache.org>]

keith-turner commented on issue #1327:
URL: https://github.com/apache/accumulo/issues/1327#issuecomment-1509338370

   Very nice summary @cshannon.  One additional thing we realized is that having a virtual file per range will help spur compaction when  there are lots of ranges for a single file.  For example if a tablet has 30 ranges for a singe file, when treating each range as a file then the compaction algorithm would probably compact this and prioritize it.  This is nice because we would probably want a single file with lots of ranges to compact, and with each range being treated as a file this will cause that to happen w/o specialized code. In addition to avoiding specialized code for the compaction case, it also avoids specialized config that would go with the specialized code.  The existing compaction ratio config will work nicely with virtual files per range.


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