[GitHub] [accumulo] EdColeman commented on pull request #3230: remove invalid tserver locks before upgrade

["EdColeman (via GitHub)" <gi...@apache.org>]

EdColeman commented on PR #3230:
URL: https://github.com/apache/accumulo/pull/3230#issuecomment-1460667891

   I updated the initial comment.  The goal is to terminate tservers that are running older versions - this is accomplished by removing their locks.
   
   It is possible to have the tservers running before the upgrade process in the manager kicks off.  If somehow, a tserver was started with an older version then, currently the way to tell that there are "old" versions running are log messages indicating that communications cannot be established.  This attempts, that at least on the start of the upgrade that all of the tservers are running the target version.  


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