Package org.apache.zookeeper.server.persistence

Examples of org.apache.zookeeper.server.persistence.FileTxnLog

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            if (file.getName().startsWith("log")) {
                logFile = file;
                corruptFile(logFile);
            }
        }
        FileTxnLog flog = new FileTxnLog(versionDir);
        TxnIterator itr = flog.read(1);
        //we will get a checksum failure
        try {
            while (itr.next()) {
            }
            assertTrue(false);
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     * fixes it.
     */
    @Test
    public void testPad() throws Exception {
        File tmpDir = ClientBase.createTmpDir();
        FileTxnLog txnLog = new FileTxnLog(tmpDir);
        TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
              System.currentTimeMillis(), OpCode.create);
        Record txn = new CreateTxn("/Test", new byte[0], null, false);
        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
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    }

    @Test
    public void testForceSyncDefaultEnabled() {
        File file = new File("foo.10027c6de");
        FileTxnLog log = new FileTxnLog(file);
        Assert.assertTrue(log.isForceSync());
    }
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    @Test
    public void testForceSyncDefaultDisabled() {
        try {
            File file = new File("foo.10027c6de");
            System.setProperty("zookeeper.forceSync","no");
            FileTxnLog log = new FileTxnLog(file);
            Assert.assertFalse(log.isForceSync());
        }
        finally {
            //Reset back to default.
            System.setProperty("zookeeper.forceSync","yes");
        }
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            if (file.getName().startsWith("log")) {
                logFile = file;
                corruptFile(logFile);
            }
        }
        FileTxnLog flog = new FileTxnLog(versionDir);
        TxnIterator itr = flog.read(1);
        //we will get a checksum failure
        try {
            while (itr.next()) {
            }
            assertTrue(false);
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        zkdb.close();

        // verify that the truncation and subsequent append were processed
        // correctly
        FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
        TxnIterator iter = txnlog.read(1);

        TxnHeader hdr = iter.getHeader();
        Record txn = iter.getTxn();
        Assert.assertEquals(1, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);
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        zkdb.close();

        // verify that the truncation and subsequent append were processed
        // correctly
        FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
        TxnIterator iter = txnlog.read(1);

        TxnHeader hdr = iter.getHeader();
        Record txn = iter.getTxn();
        Assert.assertEquals(1, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);
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        zkdb.close();

        // verify that the truncation and subsequent append were processed
        // correctly
        FileTxnLog txnlog = new FileTxnLog(new File(tmpdir, "version-2"));
        TxnIterator iter = txnlog.read(1);

        TxnHeader hdr = iter.getHeader();
        Record txn = iter.getTxn();
        Assert.assertEquals(1, hdr.getZxid());
        Assert.assertTrue(txn instanceof SetDataTxn);
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        Assert.assertTrue("waiting for server to shutdown",
                ClientBase.waitForServerDown(HOSTPORT, CONNECTION_TIMEOUT));

        // now verify that the FileTxnLog reads every transaction only once
  File logDir = new File(tmpDir, FileTxnSnapLog.version + FileTxnSnapLog.VERSION);
  FileTxnLog txnLog = new FileTxnLog(logDir);

        TxnIterator itr = txnLog.read(0);
        long expectedZxid = 0;
        long lastZxid = 0;
        TxnHeader hdr;
        do {
            hdr = itr.getHeader();
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     * fixes it.
     */
    @Test
    public void testPad() throws Exception {
        File tmpDir = ClientBase.createTmpDir();
        FileTxnLog txnLog = new FileTxnLog(tmpDir);
        TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123,
              System.currentTimeMillis(), OpCode.create);
        Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
        txnLog.append(txnHeader, txn);
        FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." +
              Long.toHexString(txnHeader.getZxid()));
        BinaryInputArchive ia  = BinaryInputArchive.getArchive(in);
        FileHeader header = new FileHeader();
        header.deserialize(ia, "fileheader");
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Related Classes of org.apache.zookeeper.server.persistence.FileTxnLog

  • org.apache.jute.InputArchive
  • org.apache.zookeeper.server.CRCTest
  • org.apache.zookeeper.server.persistence.TxnLog.TxnIterator
  • org.apache.zookeeper.server.ZooKeeperServerTest
  • org.apache.zookeeper.test.LoadFromLogTest
  • org.apache.zookeeper.test.TruncateTest
  • org.apache.zookeeper.txn.TxnHeader
  • java.io.ByteArrayInputStream
  • java.io.BufferedOutputStream
  • java.io.InputStream
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