org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
*
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package org.apache.hadoop.hbase.client.backoff;
import org.apache.hadoop.hbase.ServerName;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Configurable policy for the amount of time a client should wait for a new request to the server
* when given the server load statistics.
*
* Must have a single-argument constructor that takes a {@link org.apache.hadoop.conf.Configuration}
*
*/
@InterfaceAudience.Public
public interface ClientBackoffPolicy {
public static final String BACKOFF_POLICY_CLASS = "hbase.client.statistics.backoff-policy";
/** Returns the number of ms to wait on the client based on the */
public long getBackoffTime(ServerName serverName, byte[] region, ServerStatistics stats);
}