Examples of org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB

Package org.apache.hadoop.hdfs.protocolPB

Examples of org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB

org.apache.hadoop.hdfs.protocolPB.NamenodeProtocolPB
Protocol that a secondary NameNode uses to communicate with the NameNode. It's used to get part of the name node state Note: This extends the protocolbuffer service based interface to add annotations required for security.

  }
  
  private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
      InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
      boolean withRetries) throws IOException {
    NamenodeProtocolPB proxy = (NamenodeProtocolPB) createNameNodeProxy(
        address, conf, ugi, NamenodeProtocolPB.class);
    if (withRetries) { // create the proxy with retries
      RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(5, 200,
          TimeUnit.MILLISECONDS);
      Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap

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  }
  
  private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
      InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
      boolean withRetries) throws IOException {
    NamenodeProtocolPB proxy = (NamenodeProtocolPB) createNameNodeProxy(
        address, conf, ugi, NamenodeProtocolPB.class);
    if (withRetries) { // create the proxy with retries
      RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(5, 200,
          TimeUnit.MILLISECONDS);
      Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap

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  private NamenodeProtocol getActiveNodeProxy() throws IOException {
    if (cachedActiveProxy == null) {
      int rpcTimeout = conf.getInt(
          DFSConfigKeys.DFS_HA_LOGROLL_RPC_TIMEOUT_KEY,
          DFSConfigKeys.DFS_HA_LOGROLL_RPC_TIMEOUT_DEFAULT);
      NamenodeProtocolPB proxy = RPC.waitForProxy(NamenodeProtocolPB.class,
          RPC.getProtocolVersion(NamenodeProtocolPB.class), activeAddr, conf,
          rpcTimeout, Long.MAX_VALUE);
      cachedActiveProxy = new NamenodeProtocolTranslatorPB(proxy);
    }
    assert cachedActiveProxy != null;

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  }
  
  private static NamenodeProtocol createNNProxyWithNamenodeProtocol(
      InetSocketAddress address, Configuration conf, UserGroupInformation ugi,
      boolean withRetries) throws IOException {
    NamenodeProtocolPB proxy = (NamenodeProtocolPB) createNameNodeProxy(
        address, conf, ugi, NamenodeProtocolPB.class);
    if (withRetries) { // create the proxy with retries
      RetryPolicy timeoutPolicy = RetryPolicies.exponentialBackoffRetry(5, 200,
          TimeUnit.MILLISECONDS);
      Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap

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