private void waitForCurrentOperations() {
      long timeout =
          1000L * distributionAdvisor.getDistributionManager().getSystem().getConfig()
              .getAckWaitThreshold();
      waitForCurrentOperations(logger, timeout, timeout * 2L);
    }
wait for the current operations being sent on views prior to the joining of the given member
to be placed on communication channels before returning

@since GemFire 5.1
geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionAdvisor.java