private boolean executeDiskStoreAsyncTask(DiskStoreTask r, ExecutorService executor) {
    try {
      executor.execute(r);
      return true;
    } catch (RejectedExecutionException ex) {
      if (logger.isDebugEnabled()) {
        logger.debug("Ignored compact schedule during shutdown", ex);
      }
    }
    return false;
  }
Wait for any current operations in the delayed write pool. Completion of this method ensures
that the writes have completed or the pool was shutdown
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java