org.apache.hadoop.hbase.regionserver.handler.HandlerUtil Maven / Gradle / Ivy

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Server functionality for HBase

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.hadoop.hbase.regionserver.handler;

import java.util.concurrent.TimeUnit;
import org.apache.hadoop.hbase.util.RetryCounter;
import org.apache.hadoop.hbase.util.RetryCounterFactory;
import org.apache.yetus.audience.InterfaceAudience;

@InterfaceAudience.Private
final class HandlerUtil {

  private HandlerUtil() {
  }

  /**
   * Get an exponential backoff retry counter. The base unit is 100 milliseconds, and the max
   * backoff time is 30 seconds.
   */
  public static RetryCounter getRetryCounter() {
    return new RetryCounterFactory(
      new RetryCounter.RetryConfig().setBackoffPolicy(new RetryCounter.ExponentialBackoffPolicy())
        .setSleepInterval(100).setMaxSleepTime(30000).setMaxAttempts(Integer.MAX_VALUE)
        .setTimeUnit(TimeUnit.MILLISECONDS).setJitter(0.01f)).create();
  }
}