private void sleepBeforeRetry(String msg, int sleepMultiplier) throws InterruptedException {
    sleepBeforeRetry(msg, sleepMultiplier, baseSleepBeforeRetries, hdfsClientRetriesNumber);
  }
sleeping logic; handles the interrupt exception.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionFileSystem.java