Examples of org.apache.hadoop.hdfs.qjournal.server.JournalNode$ErrorReporter

Package org.apache.hadoop.hdfs.qjournal.server

Examples of org.apache.hadoop.hdfs.qjournal.server.JournalNode$ErrorReporter

org.apache.hadoop.hdfs.qjournal.server.JournalNode
The JournalNode is a daemon which allows namenodes using the QuorumJournalManager to log and retrieve edits stored remotely. It is a thin wrapper around a local edit log directory with the addition of facilities to participate in the quorum protocol.

    
    conf.set(DFSConfigKeys.DFS_JOURNALNODE_EDITS_DIR_KEY,
        editsDir.getAbsolutePath());
    conf.set(DFSConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY,
        "0.0.0.0:0");
    jn = new JournalNode();
    jn.setConf(conf);
    jn.start();
    journalId = "test-journalid-" + GenericTestUtils.uniqueSequenceId();
    journal = jn.getOrCreateJournal(journalId);
    journal.format(FAKE_NSINFO);

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  }


  private static void assertJNFailsToStart(Configuration conf,
      String errString) {
    try {
      JournalNode jn = new JournalNode();
      jn.setConf(conf);
      jn.start();
    } catch (Exception e) {
      GenericTestUtils.assertExceptionContains(errString, e);
    }
  }

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      if (b.format) {
        File dir = getStorageDir(i);
        LOG.debug("Fully deleting JN directory " + dir);
        FileUtil.fullyDelete(dir);
      }
      nodes[i] = new JournalNode();
      nodes[i].setConf(createConfForNode(b, i));
      nodes[i].start();


      ipcAddrs[i] = nodes[i].getBoundIpcAddress();
      httpAddrs[i] = nodes[i].getBoundHttpAddress();

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    conf.set(DFSConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY, "127.0.0.1:" +
        ipcAddrs[i].getPort());
    conf.set(DFSConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_KEY, "127.0.0.1:" +
        httpAddrs[i].getPort());
    
    nodes[i] = new JournalNode();
    nodes[i].setConf(conf);
    nodes[i].start();
  }

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    conf.set(DFSConfigKeys.DFS_JOURNALNODE_EDITS_DIR_KEY,
        editsDir.getAbsolutePath());
    conf.set(DFSConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY,
        "0.0.0.0:0");
    jn = new JournalNode();
    jn.setConf(conf);
    jn.start();
    journalId = "test-journalid-" + GenericTestUtils.uniqueSequenceId();
    journal = jn.getOrCreateJournal(journalId);
    journal.format(FAKE_NSINFO);

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  }


  private static void assertJNFailsToStart(Configuration conf,
      String errString) {
    try {
      JournalNode jn = new JournalNode();
      jn.setConf(conf);
      jn.start();
    } catch (Exception e) {
      GenericTestUtils.assertExceptionContains(errString, e);
    }
  }

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      if (b.format) {
        File dir = getStorageDir(i);
        LOG.debug("Fully deleting JN directory " + dir);
        FileUtil.fullyDelete(dir);
      }
      JournalNode jn = new JournalNode();
      jn.setConf(createConfForNode(b, i));
      jn.start();
      nodes[i] = new JNInfo(jn);
    }
  }

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    return nodes[i].node;
  }
  
  public void restartJournalNode(int i) throws InterruptedException, IOException {
    JNInfo info = nodes[i];
    JournalNode jn = info.node;
    Configuration conf = new Configuration(jn.getConf());
    if (jn.isStarted()) {
      jn.stopAndJoin(0);
    }
    
    conf.set(DFSConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY,
        NetUtils.getHostPortString(info.ipcAddr));


    final String uri = info.httpServerURI;
    if (uri.startsWith("http://")) {
      conf.set(DFSConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_KEY,
          uri.substring(("http://".length())));
    } else if (info.httpServerURI.startsWith("https://")) {
      conf.set(DFSConfigKeys.DFS_JOURNALNODE_HTTPS_ADDRESS_KEY,
          uri.substring(("https://".length())));
    }


    JournalNode newJN = new JournalNode();
    newJN.setConf(conf);
    newJN.start();
    info.node = newJN;
  }

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      if (b.format) {
        File dir = getStorageDir(i);
        LOG.debug("Fully deleting JN directory " + dir);
        FileUtil.fullyDelete(dir);
      }
      JournalNode jn = new JournalNode();
      jn.setConf(createConfForNode(b, i));
      jn.start();
      nodes[i] = new JNInfo(jn);
    }
  }

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    return nodes[i].node;
  }
  
  public void restartJournalNode(int i) throws InterruptedException, IOException {
    JNInfo info = nodes[i];
    JournalNode jn = info.node;
    Configuration conf = new Configuration(jn.getConf());
    if (jn.isStarted()) {
      jn.stopAndJoin(0);
    }
    
    conf.set(DFSConfigKeys.DFS_JOURNALNODE_RPC_ADDRESS_KEY,
        NetUtils.getHostPortString(info.ipcAddr));


    final String uri = info.httpServerURI;
    if (uri.startsWith("http://")) {
      conf.set(DFSConfigKeys.DFS_JOURNALNODE_HTTP_ADDRESS_KEY,
          uri.substring(("http://".length())));
    } else if (info.httpServerURI.startsWith("https://")) {
      conf.set(DFSConfigKeys.DFS_JOURNALNODE_HTTPS_ADDRESS_KEY,
          uri.substring(("https://".length())));
    }


    JournalNode newJN = new JournalNode();
    newJN.setConf(conf);
    newJN.start();
    info.node = newJN;
  }

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