default void postCommitStoreFile(ObserverContext<? extends RegionCoprocessorEnvironment> ctx,
    byte[] family, Path srcPath, Path dstPath) throws IOException {
  }
Called after moving bulk loaded hfile to region directory.
@param ctx     the environment provided by the region server
@param family  column family
@param srcPath Path to file before the move
@param dstPath Path to file after the move
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java