private boolean shouldResumePreviousDump(DumpMetaData dumpMetaData) {
    try {
      return dumpMetaData.getEventFrom() != null;
    } catch (Exception e) {
      LOG.info("No previous dump present");
      return false;
    }
  }
Decide whether to dump ACID tables.
@param tableName - Name of ACID table to be replicated
@return true if need to bootstrap dump ACID table and false if not.
ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ReplDumpTask.java