ExponentialClientBackoffPolicy (Apache HBase 1.1.7 API)

java.lang.Object
- org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy

All Implemented Interfaces:

ClientBackoffPolicy
```
@InterfaceAudience.Public
@InterfaceStability.Unstable
public class ExponentialClientBackoffPolicy
extends Object
implements ClientBackoffPolicy
```
Simple exponential backoff policy on for the client that uses a percent^4 times the max backoff to generate the backoff time.

Field Summary

Fields
Modifier and Type Field and Description

static long DEFAULT_MAX_BACKOFF

static String MAX_BACKOFF_KEY
- Fields inherited from interface org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy
  BACKOFF_POLICY_CLASS

Fields
Modifier and Type	Field and Description
`static long`	`DEFAULT_MAX_BACKOFF`
`static String`	`MAX_BACKOFF_KEY`

Constructor Summary

Constructors
Constructor and Description

ExponentialClientBackoffPolicy(org.apache.hadoop.conf.Configuration conf)

Constructors
Constructor and Description
`ExponentialClientBackoffPolicy(org.apache.hadoop.conf.Configuration conf)`

Method Summary

Methods
Modifier and Type	Method and Description
`long`	`getBackoffTime(ServerName serverName, byte[] region, org.apache.hadoop.hbase.client.backoff.ServerStatistics stats)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- DEFAULT_MAX_BACKOFF
```
public static final long DEFAULT_MAX_BACKOFF
```
  See Also:
  Constant Field Values
- MAX_BACKOFF_KEY
```
public static final String MAX_BACKOFF_KEY
```
  See Also:
  Constant Field Values

Constructor Detail

ExponentialClientBackoffPolicy

public ExponentialClientBackoffPolicy(org.apache.hadoop.conf.Configuration conf)

Method Detail

getBackoffTime

public long getBackoffTime(ServerName serverName,
                  byte[] region,
                  org.apache.hadoop.hbase.client.backoff.ServerStatistics stats)

Specified by:: getBackoffTime in interface ClientBackoffPolicy
Returns:: the number of ms to wait on the client based on the

Class ExponentialClientBackoffPolicy

Field Summary

Fields inherited from interface org.apache.hadoop.hbase.client.backoff.ClientBackoffPolicy

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_MAX_BACKOFF

MAX_BACKOFF_KEY

Constructor Detail

ExponentialClientBackoffPolicy

Method Detail

getBackoffTime