@Override
  protected void preWrite(long procId) throws IOException {
    if (procId > 0 && procId % numProcsPerWal == 0) {
      store.rollWriterForTesting();
      System.out.println(
        "Starting new log : " + store.getActiveLogs().get(store.getActiveLogs().size() - 1));
    }
  }
Processes and validates command line options.
hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPerformanceEvaluation.java