[GitHub] [accumulo] keith-turner commented on issue #2125: Make detection of dead external compactions more resilient to network hiccups

[GitBox <gi...@apache.org>]

keith-turner commented on issue #2125:
URL: https://github.com/apache/accumulo/issues/2125#issuecomment-852247696


   One possible solution to this problem is when a possible dead compaction is detected to do the following.
   
    * Remember the possible dead compaction and its first seen and last seen time in a map in the DeadCompactionDetector.
    * When last seen - first seen > 10 minutes, then actually mark the compactions as dead.
   
   So don't mark a compaction as dead the first time a problems is seen, only do so after multiple times of seeing a problem.  Also the set of possible dead compactions should have anything cleared out that was seen as running or no longer exists.


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