public void postCompact(final HStore store, final HStoreFile resultFile,
    final CompactionLifeCycleTracker tracker, final CompactionRequest request, final User user)
    throws IOException {
    execOperation(
      coprocEnvironments.isEmpty() ? null : new RegionObserverOperationWithoutResult(user) {
        @Override
        public void call(RegionObserver observer) throws IOException {
          observer.postCompact(this, store, resultFile, tracker, request);
        }
      });
  }
Called after the store compaction has completed.
@param store      the store being compacted
@param resultFile the new store file written during compaction
@param tracker    used to track the life cycle of a compaction
@param request    the compaction request
@param user       the user
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.java