Uses of Interface
org.apache.hadoop.io.retry.RetryPolicy

Packages that use RetryPolicy

Package	Description
org.apache.hadoop.io.retry	A mechanism for selectively retrying methods that throw exceptions under certain circumstances.
org.apache.hadoop.ipc	Tools to help define network clients and servers.

Uses of RetryPolicy in org.apache.hadoop.io.retry

Classes in org.apache.hadoop.io.retry that implement RetryPolicy

Modifier and Type	Class and Description
static class	RetryPolicies.MultipleLinearRandomRetry Given pairs of number of retries and sleep time (n0, t0), (n1, t1), ..., the first n0 retries sleep t0 milliseconds on average, the following n1 retries sleep t1 milliseconds on average, and so on.

Fields in org.apache.hadoop.io.retry declared as RetryPolicy

Modifier and Type	Field and Description
static RetryPolicy	RetryPolicies.RETRY_FOREVER Keep trying forever.
static RetryPolicy	RetryPolicies.TRY_ONCE_THEN_FAIL Try once, and fail by re-throwing the exception.

Methods in org.apache.hadoop.io.retry that return RetryPolicy

Modifier and Type	Method and Description
static RetryPolicy	RetryPolicies.exponentialBackoffRetry(int maxRetries, long sleepTime, TimeUnit timeUnit) Keep trying a limited number of times, waiting a growing amount of time between attempts, and then fail by re-throwing the exception.
static RetryPolicy	RetryPolicies.failoverOnNetworkException(int maxFailovers)
static RetryPolicy	RetryPolicies.failoverOnNetworkException(RetryPolicy fallbackPolicy, int maxFailovers)
static RetryPolicy	RetryPolicies.failoverOnNetworkException(RetryPolicy fallbackPolicy, int maxFailovers, int maxRetries, long delayMillis, long maxDelayBase)
static RetryPolicy	RetryPolicies.failoverOnNetworkException(RetryPolicy fallbackPolicy, int maxFailovers, long delayMillis, long maxDelayBase)
static RetryPolicy	RetryUtils.getDefaultRetryPolicy(Configuration conf, String retryPolicyEnabledKey, boolean defaultRetryPolicyEnabled, String retryPolicySpecKey, String defaultRetryPolicySpec, String remoteExceptionToRetry) Return the default retry policy set in conf.
static RetryPolicy	RetryUtils.getMultipleLinearRandomRetry(Configuration conf, String retryPolicyEnabledKey, boolean defaultRetryPolicyEnabled, String retryPolicySpecKey, String defaultRetryPolicySpec) Return the MultipleLinearRandomRetry policy specified in the conf, or null if the feature is disabled.
static RetryPolicy	RetryPolicies.retryByException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) Set a default policy with some explicit handlers for specific exceptions.
static RetryPolicy	RetryPolicies.retryByRemoteException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) A retry policy for RemoteException Set a default policy with some explicit handlers for specific exceptions.
static RetryPolicy	RetryPolicies.retryForeverWithFixedSleep(long sleepTime, TimeUnit timeUnit) Keep trying forever with a fixed time between attempts.
static RetryPolicy	RetryPolicies.retryOtherThanRemoteException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) A retry policy for exceptions other than RemoteException.
static RetryPolicy	RetryPolicies.retryUpToMaximumCountWithFixedSleep(int maxRetries, long sleepTime, TimeUnit timeUnit) Keep trying a limited number of times, waiting a fixed time between attempts, and then fail by re-throwing the exception.
static RetryPolicy	RetryPolicies.retryUpToMaximumCountWithProportionalSleep(int maxRetries, long sleepTime, TimeUnit timeUnit) Keep trying a limited number of times, waiting a growing amount of time between attempts, and then fail by re-throwing the exception.
static RetryPolicy	RetryPolicies.retryUpToMaximumTimeWithFixedSleep(long maxTime, long sleepTime, TimeUnit timeUnit) Keep trying for a maximum time, waiting a fixed time between attempts, and then fail by re-throwing the exception.

Methods in org.apache.hadoop.io.retry with parameters of type RetryPolicy

Modifier and Type	Method and Description
static <T> Object	RetryProxy.create(Class<T> iface, FailoverProxyProvider<T> proxyProvider, Map<String,RetryPolicy> methodNameToPolicyMap, RetryPolicy defaultPolicy) Create a proxy for an interface of implementations of that interface using the given FailoverProxyProvider and the a set of retry policies specified by method name.
static <T> Object	RetryProxy.create(Class<T> iface, FailoverProxyProvider<T> proxyProvider, RetryPolicy retryPolicy) Create a proxy for an interface of implementations of that interface using the given FailoverProxyProvider and the same retry policy for each method in the interface.
static <T> Object	RetryProxy.create(Class<T> iface, T implementation, RetryPolicy retryPolicy) Create a proxy for an interface of an implementation class using the same retry policy for each method in the interface.
static RetryPolicy	RetryPolicies.failoverOnNetworkException(RetryPolicy fallbackPolicy, int maxFailovers)
static RetryPolicy	RetryPolicies.failoverOnNetworkException(RetryPolicy fallbackPolicy, int maxFailovers, int maxRetries, long delayMillis, long maxDelayBase)
static RetryPolicy	RetryPolicies.failoverOnNetworkException(RetryPolicy fallbackPolicy, int maxFailovers, long delayMillis, long maxDelayBase)
static RetryPolicy	RetryPolicies.retryByException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) Set a default policy with some explicit handlers for specific exceptions.
static RetryPolicy	RetryPolicies.retryByRemoteException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) A retry policy for RemoteException Set a default policy with some explicit handlers for specific exceptions.
static RetryPolicy	RetryPolicies.retryOtherThanRemoteException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) A retry policy for exceptions other than RemoteException.

Method parameters in org.apache.hadoop.io.retry with type arguments of type RetryPolicy

Modifier and Type	Method and Description
static <T> Object	RetryProxy.create(Class<T> iface, FailoverProxyProvider<T> proxyProvider, Map<String,RetryPolicy> methodNameToPolicyMap, RetryPolicy defaultPolicy) Create a proxy for an interface of implementations of that interface using the given FailoverProxyProvider and the a set of retry policies specified by method name.
static <T> Object	RetryProxy.create(Class<T> iface, T implementation, Map<String,RetryPolicy> methodNameToPolicyMap) Create a proxy for an interface of an implementation class using the a set of retry policies specified by method name.
static RetryPolicy	RetryPolicies.retryByException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) Set a default policy with some explicit handlers for specific exceptions.
static RetryPolicy	RetryPolicies.retryByRemoteException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) A retry policy for RemoteException Set a default policy with some explicit handlers for specific exceptions.
static RetryPolicy	RetryPolicies.retryOtherThanRemoteException(RetryPolicy defaultPolicy, Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap) A retry policy for exceptions other than RemoteException.

Uses of RetryPolicy in org.apache.hadoop.ipc

Methods in org.apache.hadoop.ipc with parameters of type RetryPolicy

Modifier and Type	Method and Description
<T> ProtocolProxy<T>	ProtobufRpcEngine.getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr, UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout, RetryPolicy connectionRetryPolicy)
<T> ProtocolProxy<T>	WritableRpcEngine.getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr, UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout, RetryPolicy connectionRetryPolicy) Construct a client-side proxy object that implements the named protocol, talking to a server at the named address.
<T> ProtocolProxy<T>	RpcEngine.getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr, UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout, RetryPolicy connectionRetryPolicy) Construct a client-side proxy object.
<T> ProtocolProxy<T>	ProtobufRpcEngine.getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr, UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout, RetryPolicy connectionRetryPolicy, AtomicBoolean fallbackToSimpleAuth)
<T> ProtocolProxy<T>	WritableRpcEngine.getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr, UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout, RetryPolicy connectionRetryPolicy, AtomicBoolean fallbackToSimpleAuth) Construct a client-side proxy object that implements the named protocol, talking to a server at the named address.
<T> ProtocolProxy<T>	RpcEngine.getProxy(Class<T> protocol, long clientVersion, InetSocketAddress addr, UserGroupInformation ticket, Configuration conf, SocketFactory factory, int rpcTimeout, RetryPolicy connectionRetryPolicy, AtomicBoolean fallbackToSimpleAuth) Construct a client-side proxy object.