Examples of ZKDatabase

org.apache.zookeeper.server.ZKDatabase
This class maintains the in memory database of zookeeper server states that includes the sessions, datatree and the committed logs. It is booted up after reading the logs and snapshots from the disk.

Examples of org.apache.zookeeper.server.ZKDatabase

        for(int i = 0; i < 50; i++) {
            zk.create("/" + i, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        }
        zk.close();
        
        ZKDatabase zkDb;
        {
            ZooKeeperServer zs = ClientBase.getServer(factory);
    
            zkDb = zs.getZKDatabase();
        }
        factory.shutdown();
        try {
            zkDb.close();
        } catch (IOException ie) {
            LOG.warn("Error closing logs ", ie);
        }
        int tickTime = 2000;
        int initLimit = 3;

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Examples of org.apache.zookeeper.server.ZKDatabase


    static void shutdownServerInstance(ServerCnxnFactory factory,
            String hostPort)
    {
        if (factory != null) {
            ZKDatabase zkDb;
            {
                ZooKeeperServer zs = getServer(factory);
        
                zkDb = zs.getZKDatabase();
            }
            factory.shutdown();
            try {
                zkDb.close();
            } catch (IOException ie) {
                LOG.warn("Error closing logs ", ie);
            }
            final int PORT = getPort(hostPort);

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Examples of org.apache.zookeeper.server.ZKDatabase

        this.myid = myid;
        this.tickTime = tickTime;
        this.initLimit = initLimit;
        this.syncLimit = syncLimit;        
        this.logFactory = new FileTxnSnapLog(dataLogDir, dataDir);
        this.zkDb = new ZKDatabase(this.logFactory);
        if(quorumConfig == null)
            this.quorumConfig = new QuorumMaj(countParticipants(quorumPeers));
        else this.quorumConfig = quorumConfig;
    }

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Examples of org.apache.zookeeper.server.ZKDatabase

        this.tickTime = tickTime;
        this.initLimit = initLimit;
        this.syncLimit = syncLimit;
        this.quorumListenOnAllIPs = quorumListenOnAllIPs;
        this.logFactory = new FileTxnSnapLog(dataLogDir, dataDir);
        this.zkDb = new ZKDatabase(this.logFactory);
        this.dynamicConfigFilename = (memFilename != null) ? memFilename : "zoo_replicated" + myid + ".dynamic";
        if(quorumConfig == null) quorumConfig = new QuorumMaj(quorumPeers);
        setQuorumVerifier(quorumConfig, false);
        adminServer = AdminServerFactory.createAdminServer();
    }

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Examples of org.apache.zookeeper.server.ZKDatabase


    @Test
    public void testTruncationStreamReset() throws Exception {
        File tmpdir = ClientBase.createTmpDir();
        FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
        ZKDatabase zkdb = new ZKDatabase(snaplog);


        for (int i = 1; i <= 100; i++) {
            append(zkdb, i);
        }


        zkdb.truncateLog(1);


        append(zkdb, 200);


        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);

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Examples of org.apache.zookeeper.server.ZKDatabase

    
    @Test
    public void testTruncationNullLog() throws Exception {
        File tmpdir = ClientBase.createTmpDir();
        FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
        ZKDatabase zkdb = new ZKDatabase(snaplog);


        for (int i = 1; i <= 100; i++) {
            append(zkdb, i);
        }
        File[] logs = snaplog.getDataDir().listFiles();
        for(int i = 0; i < logs.length; i++) {
            logs[i].delete();
        }
        try {
            zkdb.truncateLog(1);
            Assert.assertTrue("Should not get here", false);
        }
        catch(IOException e) {
            Assert.assertTrue("Should have received an IOException", true);
        }

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Examples of org.apache.zookeeper.server.ZKDatabase

        for(int i = 0; i < 50; i++) {
            zk.create("/" + i, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        }
        zk.close();
        
        ZKDatabase zkDb;
        {
            ZooKeeperServer zs = ClientBase.getServer(factory);
    
            zkDb = zs.getZKDatabase();
        }
        factory.shutdown();
        try {
            zkDb.close();
        } catch (IOException ie) {
            LOG.warn("Error closing logs ", ie);
        }
        int tickTime = 2000;
        int initLimit = 3;

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Examples of org.apache.zookeeper.server.ZKDatabase


    @Test
    public void testTruncationStreamReset() throws Exception {
        File tmpdir = ClientBase.createTmpDir();
        FileTxnSnapLog snaplog = new FileTxnSnapLog(tmpdir, tmpdir);
        ZKDatabase zkdb = new ZKDatabase(snaplog);


        for (int i = 1; i <= 100; i++) {
            append(zkdb, i);
        }


        zkdb.truncateLog(1);


        append(zkdb, 200);


        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);

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Examples of org.apache.zookeeper.server.ZKDatabase

        ZooKeeper zk = new ZooKeeper(hostPort, 15000, nullWatcher);
        for(int i = 0; i < 50; i++) {
            zk.create("/" + i, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        }
        zk.close();
        ZKDatabase zkDb = factory.getZooKeeperServer().getZKDatabase();
        factory.shutdown();
        try {
            zkDb.close();
        } catch (IOException ie) {
            LOG.warn("Error closing logs ", ie);
        }
        int tickTime = 2000;
        int initLimit = 3;

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Examples of org.apache.zookeeper.server.ZKDatabase


    static void shutdownServerInstance(NIOServerCnxn.Factory factory,
            String hostPort)
    {      
      if (factory != null) {
          ZKDatabase zkDb = factory.getZooKeeperServer().getZKDatabase();
            factory.shutdown();
            try {
                zkDb.close();
            } catch (IOException ie) {
                LOG.warn("Error closing logs ", ie);
            }
            final int PORT = getPort(hostPort);

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