Re: [I] Tablet unload impacted by long-running compaction cancellation [accumulo]

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

dtspence commented on issue #4485:
URL: https://github.com/apache/accumulo/issues/4485#issuecomment-2140871562

   We believe the compaction is not emitting a key/value to respond to the cancellation. We also observed that the issue appears to occur when a tablet splits (due to growth).
   
   In all (or most) of the observed instances the following occurs:
   * T-server performs a sized-based split on a tablet into A and B.
   * T-server starts compaction for A.
   * Manager begins to migrate A and asks the t-server to close A.
   * T-server attempts to unload tablet and cancel the running compaction(s).
   * T-server eventually cancels compactions and tablet is unloaded.


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