Java Code Examples for org.apache.hadoop.hbase.HConstants#RETRY_BACKOFF

The following examples show how to use org.apache.hadoop.hbase.HConstants#RETRY_BACKOFF . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ReplicationUtils.java    From hbase with Apache License 2.0 5 votes vote down vote up 
/**
 * Get the adaptive timeout value when performing a retry
 */
public static int getAdaptiveTimeout(final int initialValue, final int retries) {
  int ntries = retries;
  if (ntries >= HConstants.RETRY_BACKOFF.length) {
    ntries = HConstants.RETRY_BACKOFF.length - 1;
  }
  if (ntries < 0) {
    ntries = 0;
  }
  return initialValue * HConstants.RETRY_BACKOFF[ntries];
}
Example 2
Source File: ConnectionUtils.java    From hbase with Apache License 2.0 5 votes vote down vote up 
/**
 * Calculate pause time. Built on {@link HConstants#RETRY_BACKOFF}.
 * @param pause time to pause
 * @param tries amount of tries
 * @return How long to wait after <code>tries</code> retries
 */
public static long getPauseTime(final long pause, final int tries) {
  int ntries = tries;
  if (ntries >= HConstants.RETRY_BACKOFF.length) {
    ntries = HConstants.RETRY_BACKOFF.length - 1;
  }
  if (ntries < 0) {
    ntries = 0;
  }

  long normalPause = pause * HConstants.RETRY_BACKOFF[ntries];
  // 1% possible jitter
  long jitter = (long) (normalPause * ThreadLocalRandom.current().nextFloat() * 0.01f);
  return normalPause + jitter;
}