protected void mobCompactImpl(TableDescriptor tableDescriptor,
    ColumnFamilyDescriptor familyDescriptor) throws IOException, InterruptedException {
    admin.majorCompact(tableDescriptor.getTableName(), familyDescriptor.getName());
  }
Call the API for compaction specific to the test set. should not wait for compactions to
finish. may assume compactions are enabled when called.
hbase-server/src/test/java/org/apache/hadoop/hbase/mob/TestMobCompactionWithDefaults.java