ctubbsii commented on issue #4058:
URL: https://github.com/apache/accumulo/issues/4058#issuecomment-1854454775

   > FYI that I recently merged #4007 into the 2.1 branch. You are saying it is 
unnecessary in 3.1?
   
   Possibly. It's not clear to me that we're actually storing the full absolute 
path to the WALs there. The code that parses it seems to expect `tserver/UUID` 
as the documented format, not `tserver/hdfs://path/to/UUID`. However, I haven't 
dug enough to find where it maps the UUID to the location on one of the actual 
volumes, so I can't be sure. I also haven't been able to verify the entry on a 
live system, to see an example. However, I could be misunderstanding the 
parsing. It may be trying to store things in `hdfs://path/to/<tserver>/<uuid>`, 
and it's just dropping off everything except `<tserver>/<uuid>`, so the switch 
volumes may still be needed. If so, we may need to revert some of #3997 


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