Package org.apache.hadoop.io.retry

Examples of org.apache.hadoop.io.retry.RetryPolicy

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                                            ) throws IOException {
    JobSubmissionProtocol raw =
        (JobSubmissionProtocol) RPC.getProxy(JobSubmissionProtocol.class,
            JobSubmissionProtocol.versionID, addr, conf, NetUtils
                .getSocketFactory(conf, JobSubmissionProtocol.class));
    RetryPolicy backoffPolicy =
      RetryPolicies.retryUpToMaximumCountWithProportionalSleep
      (5, 10, java.util.concurrent.TimeUnit.SECONDS);
    Map<Class<? extends Exception>, RetryPolicy> handlers =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    handlers.put(SocketTimeoutException.class, backoffPolicy);
    RetryPolicy backoffTimeOuts =
      RetryPolicies.retryByException(RetryPolicies.TRY_ONCE_THEN_FAIL,handlers);
    return (JobSubmissionProtocol)
      RetryProxy.create(JobSubmissionProtocol.class, raw, backoffTimeOuts);
  }
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    new TreeMap<String, OutputStream>();
   
  static ClientProtocol createNamenode(
      InetSocketAddress nameNodeAddr, Configuration conf)
    throws IOException {
    RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(
        5, 200, TimeUnit.MILLISECONDS);
    RetryPolicy createPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
        5, LEASE_SOFTLIMIT_PERIOD, TimeUnit.MILLISECONDS);
   
    Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    remoteExceptionToPolicyMap.put(AlreadyBeingCreatedException.class, createPolicy);

    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(RemoteException.class,
        RetryPolicies.retryByRemoteException(
            RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
    exceptionToPolicyMap.put(SocketTimeoutException.class, timeoutPolicy);
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
        RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
   
    methodNameToPolicyMap.put("open", methodPolicy);
    methodNameToPolicyMap.put("setReplication", methodPolicy);
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  /* Build a NamenodeProtocol connection to the namenode and
   * set up the retry policy */
  private static NamenodeProtocol createNamenode(Configuration conf)
    throws IOException {
    InetSocketAddress nameNodeAddr = NameNode.getAddress(conf);
    RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(
        5, 200, TimeUnit.MILLISECONDS);
    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
        timeoutPolicy, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap =
        new HashMap<String, RetryPolicy>();
    methodNameToPolicyMap.put("getBlocks", methodPolicy);
    methodNameToPolicyMap.put("getAccessKeys", methodPolicy);
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  } 

  private static FileSystemStore createDefaultStore(Configuration conf) {
    FileSystemStore store = new Jets3tFileSystemStore();
   
    RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
                                                                               conf.getInt("fs.s3.maxRetries", 4),
                                                                               conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(IOException.class, basePolicy);
    exceptionToPolicyMap.put(S3Exception.class, basePolicy);
   
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
                                                              RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
    methodNameToPolicyMap.put("storeBlock", methodPolicy);
    methodNameToPolicyMap.put("retrieveBlock", methodPolicy);
   
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  }
 
  private static NativeFileSystemStore createDefaultStore(Configuration conf) {
    NativeFileSystemStore store = new Jets3tNativeFileSystemStore();
   
    RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
        conf.getInt("fs.s3.maxRetries", 4),
        conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
    Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(IOException.class, basePolicy);
    exceptionToPolicyMap.put(S3Exception.class, basePolicy);
   
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
        RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String, RetryPolicy> methodNameToPolicyMap =
      new HashMap<String, RetryPolicy>();
    methodNameToPolicyMap.put("storeFile", methodPolicy);
   
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        NetUtils.getSocketFactory(conf, ClientProtocol.class));
  }

  private static ClientProtocol createNamenode(ClientProtocol rpcNamenode)
    throws IOException {
    RetryPolicy createPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
        5, LEASE_SOFTLIMIT_PERIOD, TimeUnit.MILLISECONDS);
   
    Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    remoteExceptionToPolicyMap.put(AlreadyBeingCreatedException.class, createPolicy);

    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(RemoteException.class,
        RetryPolicies.retryByRemoteException(
            RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
        RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
   
    methodNameToPolicyMap.put("create", methodPolicy);
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     * @throws IOException Thrown if there is an error while communicating
     * with the namenode.
     */
    private static NamenodeProtocol createNamenode(Configuration conf) throws IOException {
        InetSocketAddress address = NameNode.getAddress(conf);
        RetryPolicy timeoutPolicy =
                RetryPolicies.retryUpToMaximumCountWithFixedSleep(3, 200,
                    TimeUnit.MILLISECONDS);
        Map<String, RetryPolicy> policyMap =
                Collections.singletonMap("getBlocks", timeoutPolicy);

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  } 

  private static FileSystemStore createDefaultStore(Configuration conf) {
    FileSystemStore store = new Jets3tFileSystemStore();
   
    RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
                                                                               conf.getInt("fs.s3.maxRetries", 4),
                                                                               conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(IOException.class, basePolicy);
    exceptionToPolicyMap.put(S3Exception.class, basePolicy);
   
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
                                                              RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
    methodNameToPolicyMap.put("storeBlock", methodPolicy);
    methodNameToPolicyMap.put("retrieveBlock", methodPolicy);
   
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  }

  private static ClientProtocol createNamenode(
      InetSocketAddress nameNodeAddr, Configuration conf)
    throws IOException {
    RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(
        5, 200, TimeUnit.MILLISECONDS);
    RetryPolicy createPolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
        5, LEASE_SOFTLIMIT_PERIOD, TimeUnit.MILLISECONDS);
   
    Map<Class<? extends Exception>,RetryPolicy> remoteExceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    remoteExceptionToPolicyMap.put(AlreadyBeingCreatedException.class, createPolicy);

    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(RemoteException.class,
        RetryPolicies.retryByRemoteException(
            RetryPolicies.TRY_ONCE_THEN_FAIL, remoteExceptionToPolicyMap));
    exceptionToPolicyMap.put(SocketTimeoutException.class, timeoutPolicy);
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
        RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
   
    methodNameToPolicyMap.put("open", methodPolicy);
    methodNameToPolicyMap.put("setReplication", methodPolicy);
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  } 

  private static FileSystemStore createDefaultStore(Configuration conf) {
    FileSystemStore store = new Jets3tFileSystemStore();
   
    RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep(
                                                                               conf.getInt("fs.s3.maxRetries", 4),
                                                                               conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS);
    Map<Class<? extends Exception>,RetryPolicy> exceptionToPolicyMap =
      new HashMap<Class<? extends Exception>, RetryPolicy>();
    exceptionToPolicyMap.put(IOException.class, basePolicy);
    exceptionToPolicyMap.put(S3Exception.class, basePolicy);
   
    RetryPolicy methodPolicy = RetryPolicies.retryByException(
                                                              RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap);
    Map<String,RetryPolicy> methodNameToPolicyMap = new HashMap<String,RetryPolicy>();
    methodNameToPolicyMap.put("storeBlock", methodPolicy);
    methodNameToPolicyMap.put("retrieveBlock", methodPolicy);
   
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