Package org.apache.hadoop.hdfs.server.namenode

Examples of org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$RemoveCacheDirectiveInfoOp

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    BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf,
        BKJMUtil.createJournalURI("/hdfsjournal-simpleread"));
    final long numTransactions = 10000;
    EditLogOutputStream out = bkjm.startLogSegment(1);
    for (long i = 1 ; i <= numTransactions; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    bkjm.finalizeLogSegment(1, numTransactions);
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  public void testSimpleRecovery() throws Exception {
    BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf,
        BKJMUtil.createJournalURI("/hdfsjournal-simplerecovery"));
    EditLogOutputStream out = bkjm.startLogSegment(1);
    for (long i = 1 ; i <= 100; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.setReadyToFlush();
    out.flush();
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      BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf,
          BKJMUtil.createJournalURI("/hdfsjournal-allbookiefailure"));
      EditLogOutputStream out = bkjm.startLogSegment(txid);

      for (long i = 1 ; i <= 3; i++) {
        FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
        op.setTransactionId(txid++);
        out.write(op);
      }
      out.setReadyToFlush();
      out.flush();
      bookieToFail.shutdown();
      assertEquals("New bookie didn't die",
                   numBookies, bkutil.checkBookiesUp(numBookies, 10));

      try {
        for (long i = 1 ; i <= 3; i++) {
          FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
          op.setTransactionId(txid++);
          out.write(op);
        }
        out.setReadyToFlush();
        out.flush();
        fail("should not get to this stage");
      } catch (IOException ioe) {
        LOG.debug("Error writing to bookkeeper", ioe);
        assertTrue("Invalid exception message",
                   ioe.getMessage().contains("Failed to write to bookkeeper"));
      }
      replacementBookie = bkutil.newBookie();

      assertEquals("New bookie didn't start",
                   numBookies+1, bkutil.checkBookiesUp(numBookies+1, 10));
      bkjm.recoverUnfinalizedSegments();
      out = bkjm.startLogSegment(txid);
      for (long i = 1 ; i <= 3; i++) {
        FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
        op.setTransactionId(txid++);
        out.write(op);
      }

      out.setReadyToFlush();
      out.flush();
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      long txid = 1;
      BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf,
          BKJMUtil.createJournalURI("/hdfsjournal-onebookiefailure"));
      EditLogOutputStream out = bkjm.startLogSegment(txid);
      for (long i = 1 ; i <= 3; i++) {
        FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
        op.setTransactionId(txid++);
        out.write(op);
      }
      out.setReadyToFlush();
      out.flush();

      replacementBookie = bkutil.newBookie();
      assertEquals("replacement bookie didn't start",
                   ensembleSize+1, bkutil.checkBookiesUp(ensembleSize+1, 10));
      bookieToFail.shutdown();
      assertEquals("New bookie didn't die",
                   ensembleSize, bkutil.checkBookiesUp(ensembleSize, 10));

      for (long i = 1 ; i <= 3; i++) {
        FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
        op.setTransactionId(txid++);
        out.write(op);
      }
      out.setReadyToFlush();
      out.flush();
    } catch (Exception e) {
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    URI uri = BKJMUtil.createJournalURI("/hdfsjournal-emptyInprogress");
    BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf, uri);

    EditLogOutputStream out = bkjm.startLogSegment(1);
    for (long i = 1; i <= 100; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    bkjm.finalizeLogSegment(1, 100);
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    URI uri = BKJMUtil.createJournalURI("/hdfsjournal-corruptInprogress");
    BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf, uri);

    EditLogOutputStream out = bkjm.startLogSegment(1);
    for (long i = 1; i <= 100; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    bkjm.finalizeLogSegment(1, 100);
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    URI uri = BKJMUtil.createJournalURI("/hdfsjournal-emptyInprogressLedger");
    BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf, uri);

    EditLogOutputStream out = bkjm.startLogSegment(1);
    for (long i = 1; i <= 100; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    bkjm.finalizeLogSegment(1, 100);

    out = bkjm.startLogSegment(101);
    out.close();
    bkjm.close();

    bkjm = new BookKeeperJournalManager(conf, uri);
    bkjm.recoverUnfinalizedSegments();
    out = bkjm.startLogSegment(101);
    for (long i = 1; i <= 100; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    bkjm.finalizeLogSegment(101, 200);
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        .createJournalURI("/hdfsjournal-refinalizeInprogressLedger");
    BookKeeperJournalManager bkjm = new BookKeeperJournalManager(conf, uri);

    EditLogOutputStream out = bkjm.startLogSegment(1);
    for (long i = 1; i <= 100; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    bkjm.close();
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  private String startAndFinalizeLogSegment(BookKeeperJournalManager bkjm,
      int startTxid, int endTxid) throws IOException, KeeperException,
      InterruptedException {
    EditLogOutputStream out = bkjm.startLogSegment(startTxid);
    for (long i = startTxid; i <= endTxid; i++) {
      FSEditLogOp op = FSEditLogTestUtil.getNoOpInstance();
      op.setTransactionId(i);
      out.write(op);
    }
    out.close();
    // finalize the inprogress_1 log segment.
    bkjm.finalizeLogSegment(startTxid, endTxid);
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      }

      in = new BookKeeperEditLogInputStream(lh, l, lastAddConfirmed);

      long endTxId = HdfsConstants.INVALID_TXID;
      FSEditLogOp op = in.readOp();
      while (op != null) {
        if (endTxId == HdfsConstants.INVALID_TXID
            || op.getTransactionId() == endTxId+1) {
          endTxId = op.getTransactionId();
        }
        op = in.readOp();
      }
      return endTxId;
    } finally {
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Related Classes of org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$RemoveCacheDirectiveInfoOp

  • org.apache.hadoop.contrib.bkjournal.BookKeeperEditLogInputStream
  • org.apache.hadoop.contrib.bkjournal.BookKeeperJournalManager
  • org.apache.hadoop.contrib.bkjournal.TestBookKeeperJournalManager
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.AclEntry
  • org.apache.hadoop.fs.permission.FsAction
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.fs.permission.PermissionStatus
  • org.apache.hadoop.hdfs.DeprecatedUTF8
  • org.apache.hadoop.hdfs.notifier.server.ServerLogReaderPreTransactional
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