Package org.apache.hadoop.fs.azurebfs.services

Class ExponentialRetryPolicy

java.lang.Object

org.apache.hadoop.fs.azurebfs.services.AbfsRetryPolicy

org.apache.hadoop.fs.azurebfs.services.ExponentialRetryPolicy

public class ExponentialRetryPolicy
extends AbfsRetryPolicy

Retry policy used by AbfsClient.

Constructor Summary

Constructors

Constructor	Description
ExponentialRetryPolicy(int maxIoRetries)	Initializes a new instance of the ExponentialRetryPolicy class.
ExponentialRetryPolicy(int maxRetryCount, int minBackoff, int maxBackoff, int deltaBackoff)	Initializes a new instance of the ExponentialRetryPolicy class.
ExponentialRetryPolicy(AbfsConfiguration conf)	Initializes a new instance of the ExponentialRetryPolicy class.

Method Summary

Modifier and Type	Method	Description
long	getRetryInterval(int retryCount)	Returns backoff interval between 80% and 120% of the desired backoff, multiply by 2^n-1 for exponential.

Methods inherited from class org.apache.hadoop.fs.azurebfs.services.AbfsRetryPolicy

getAbbreviation, getMaxRetryCount, shouldRetry, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExponentialRetryPolicy

public ExponentialRetryPolicy(int maxIoRetries)

Initializes a new instance of the ExponentialRetryPolicy class.

ExponentialRetryPolicy

public ExponentialRetryPolicy(AbfsConfiguration conf)

Initializes a new instance of the ExponentialRetryPolicy class.

Parameters:

conf - The AbfsConfiguration from which to retrieve retry configuration.

ExponentialRetryPolicy

public ExponentialRetryPolicy(int maxRetryCount,
                              int minBackoff,
                              int maxBackoff,
                              int deltaBackoff)

Initializes a new instance of the ExponentialRetryPolicy class.

Parameters:

maxRetryCount - The maximum number of retry attempts.

minBackoff - The minimum backoff time.

maxBackoff - The maximum backoff time.

deltaBackoff - The value that will be used to calculate a random delta in the exponential delay between retries.

Method Detail

getRetryInterval

public long getRetryInterval(int retryCount)

Returns backoff interval between 80% and 120% of the desired backoff, multiply by 2^n-1 for exponential.

Specified by:

getRetryInterval in class AbfsRetryPolicy

Parameters:

retryCount - The current retry attempt count.

Returns:

backoff Interval time