Examples with ConfigurationManager io.dingodb.raft.conf.ConfigurationManager used on opensource projects

Example 1 with ConfigurationManager

use of io.dingodb.raft.conf.ConfigurationManager in project dingo by dingodb.

the class RocksDBLogStorage method initAndLoad.

private boolean initAndLoad(final LogStorageOptions lopts) throws RocksDBException {
    this.hasLoadFirstLogIndex = false;
    this.firstLogIndex = 1;
    final List<ColumnFamilyDescriptor> columnFamilyDescriptors = new ArrayList<>();
    final ColumnFamilyOptions cfOption = createColumnFamilyOptions();
    ConfigurationManager confManager = lopts.getConfigurationManager();
    BlockBasedTableConfig tableConfig = new BlockBasedTableConfig();
    tableConfig.setBlockSize(128 * 1024);
    RaftLogStorageOptions raftLogStorageOptions = lopts.getRaftLogStorageOptions();
    if (raftLogStorageOptions.getCfBlockSize() != 0) {
        tableConfig.setBlockSize(raftLogStorageOptions.getCfBlockSize());
    }
    tableConfig.setBlockCacheSize(200 / 4 * 1024 * 1024 * 1024L);
    if (raftLogStorageOptions.getCfBlockCacheSize() != 0) {
        tableConfig.setBlockSize(raftLogStorageOptions.getCfBlockCacheSize());
    }
    cfOption.setTableFormatConfig(tableConfig);
    cfOption.setArenaBlockSize(128 * 1024 * 1024);
    if (raftLogStorageOptions.getCfArenaBlockSize() != 0) {
        cfOption.setArenaBlockSize(raftLogStorageOptions.getCfArenaBlockSize());
    }
    cfOption.setMinWriteBufferNumberToMerge(4);
    if (raftLogStorageOptions.getCfMinWriteBufferNumberToMerge() != 0) {
        cfOption.setMinWriteBufferNumberToMerge(raftLogStorageOptions.getCfMinWriteBufferNumberToMerge());
    }
    cfOption.setMaxWriteBufferNumber(5);
    if (raftLogStorageOptions.getCfMaxWriteBufferNumber() != 0) {
        cfOption.setMaxWriteBufferNumber(raftLogStorageOptions.getCfMaxWriteBufferNumber());
    }
    cfOption.setMaxCompactionBytes(512 * 1024 * 1024);
    if (raftLogStorageOptions.getCfMaxCompactionBytes() != 0) {
        cfOption.setMaxCompactionBytes(raftLogStorageOptions.getCfMaxCompactionBytes());
    }
    cfOption.setWriteBufferSize(1 * 1024 * 1024 * 1024);
    if (raftLogStorageOptions.getCfWriteBufferSize() != 0) {
        cfOption.setWriteBufferSize(raftLogStorageOptions.getCfWriteBufferSize());
    }
    this.cfOptions.add(cfOption);
    // Column family to store configuration log entry.
    columnFamilyDescriptors.add(new ColumnFamilyDescriptor("Configuration".getBytes(), cfOption));
    // Default column family to store user data log entry.
    columnFamilyDescriptors.add(new ColumnFamilyDescriptor(RocksDB.DEFAULT_COLUMN_FAMILY, cfOption));
    openDB(columnFamilyDescriptors);
    load(confManager);
    return onInitLoaded();
}

Example 2 with ConfigurationManager

use of io.dingodb.raft.conf.ConfigurationManager in project dingo by dingodb.

the class NodeImpl method bootstrap.

public boolean bootstrap(final BootstrapOptions opts) throws InterruptedException {
    if (opts.getLastLogIndex() > 0 && (opts.getGroupConf().isEmpty() || opts.getFsm() == null)) {
        LOG.error("Invalid arguments for bootstrap, groupConf={}, fsm={}, lastLogIndex={}.", opts.getGroupConf(), opts.getFsm(), opts.getLastLogIndex());
        return false;
    }
    if (opts.getGroupConf().isEmpty()) {
        LOG.error("Bootstrapping an empty node makes no sense.");
        return false;
    }
    Requires.requireNonNull(opts.getServiceFactory(), "Null jraft service factory");
    this.serviceFactory = opts.getServiceFactory();
    // Term is not an option since changing it is very dangerous
    final long bootstrapLogTerm = opts.getLastLogIndex() > 0 ? 1 : 0;
    final LogId bootstrapId = new LogId(opts.getLastLogIndex(), bootstrapLogTerm);
    this.options = new NodeOptions();
    this.raftOptions = this.options.getRaftOptions();
    this.metrics = new NodeMetrics(opts.isEnableMetrics());
    this.options.setFsm(opts.getFsm());
    this.options.setLogUri(opts.getLogUri());
    this.options.setRaftMetaUri(opts.getRaftMetaUri());
    this.options.setSnapshotUri(opts.getSnapshotUri());
    this.configManager = new ConfigurationManager();
    // Create fsmCaller at first as logManager needs it to report error
    this.fsmCaller = new FSMCallerImpl();
    if (!initLogStorage()) {
        LOG.error("Fail to init log storage.");
        return false;
    }
    if (!initMetaStorage()) {
        LOG.error("Fail to init meta storage.");
        return false;
    }
    if (this.currTerm == 0) {
        this.currTerm = 1;
        if (!this.metaStorage.setTermAndVotedFor(1, new PeerId())) {
            LOG.error("Fail to set term.");
            return false;
        }
    }
    if (opts.getFsm() != null && !initFSMCaller(bootstrapId)) {
        LOG.error("Fail to init fsm caller.");
        return false;
    }
    final LogEntry entry = new LogEntry(EnumOutter.EntryType.ENTRY_TYPE_CONFIGURATION);
    entry.getId().setTerm(this.currTerm);
    entry.setPeers(opts.getGroupConf().listPeers());
    entry.setLearners(opts.getGroupConf().listLearners());
    final List<LogEntry> entries = new ArrayList<>();
    entries.add(entry);
    final BootstrapStableClosure bootstrapDone = new BootstrapStableClosure();
    this.logManager.appendEntries(entries, bootstrapDone);
    if (!bootstrapDone.await().isOk()) {
        LOG.error("Fail to append configuration.");
        return false;
    }
    if (opts.getLastLogIndex() > 0) {
        if (!initSnapshotStorage()) {
            LOG.error("Fail to init snapshot storage.");
            return false;
        }
        final SynchronizedClosure snapshotDone = new SynchronizedClosure();
        this.snapshotExecutor.doSnapshot(snapshotDone);
        if (!snapshotDone.await().isOk()) {
            LOG.error("Fail to save snapshot, status={}.", snapshotDone.getStatus());
            return false;
        }
    }
    if (this.logManager.getFirstLogIndex() != opts.getLastLogIndex() + 1) {
        throw new IllegalStateException("First and last log index mismatch");
    }
    if (opts.getLastLogIndex() > 0) {
        if (this.logManager.getLastLogIndex() != opts.getLastLogIndex()) {
            throw new IllegalStateException("Last log index mismatch");
        }
    } else {
        if (this.logManager.getLastLogIndex() != opts.getLastLogIndex() + 1) {
            throw new IllegalStateException("Last log index mismatch");
        }
    }
    return true;
}

Example 3 with ConfigurationManager

use of io.dingodb.raft.conf.ConfigurationManager in project dingo by dingodb.

the class NodeImpl method init.

@Override
public boolean init(final NodeOptions opts) {
    Requires.requireNonNull(opts, "Null node options");
    Requires.requireNonNull(opts.getRaftOptions(), "Null raft options");
    Requires.requireNonNull(opts.getServiceFactory(), "Null jraft service factory");
    this.serviceFactory = opts.getServiceFactory();
    this.options = opts;
    this.raftOptions = opts.getRaftOptions();
    this.metrics = new NodeMetrics(opts.isEnableMetrics());
    this.serverId.setPriority(opts.getElectionPriority());
    this.electionTimeoutCounter = 0;
    if (this.serverId.getIp().equals(Utils.IP_ANY)) {
        LOG.error("Node can't started from IP_ANY.");
        return false;
    }
    if (!NodeManager.getInstance().serverExists(this.serverId.getEndpoint())) {
        LOG.error("No RPC server attached to, did you forget to call addService?");
        return false;
    }
    this.timerManager = TIMER_FACTORY.getRaftScheduler(this.options.isSharedTimerPool(), this.options.getTimerPoolSize(), "JRaft-Node-ScheduleThreadPool");
    // Init timers
    final String suffix = getNodeId().toString();
    String name = "JRaft-VoteTimer-" + suffix;
    this.voteTimer = new RepeatedTimer(name, this.options.getElectionTimeoutMs(), TIMER_FACTORY.getVoteTimer(this.options.isSharedVoteTimer(), name)) {

        @Override
        protected void onTrigger() {
            handleVoteTimeout();
        }

        @Override
        protected int adjustTimeout(final int timeoutMs) {
            return randomTimeout(timeoutMs);
        }
    };
    name = "JRaft-ElectionTimer-" + suffix;
    this.electionTimer = new RepeatedTimer(name, this.options.getElectionTimeoutMs(), TIMER_FACTORY.getElectionTimer(this.options.isSharedElectionTimer(), name)) {

        @Override
        protected void onTrigger() {
            handleElectionTimeout();
        }

        @Override
        protected int adjustTimeout(final int timeoutMs) {
            return randomTimeout(timeoutMs);
        }
    };
    name = "JRaft-StepDownTimer-" + suffix;
    this.stepDownTimer = new RepeatedTimer(name, this.options.getElectionTimeoutMs() >> 1, TIMER_FACTORY.getStepDownTimer(this.options.isSharedStepDownTimer(), name)) {

        @Override
        protected void onTrigger() {
            handleStepDownTimeout();
        }
    };
    name = "JRaft-SnapshotTimer-" + suffix;
    this.snapshotTimer = new RepeatedTimer(name, this.options.getSnapshotIntervalSecs() * 1000, TIMER_FACTORY.getSnapshotTimer(this.options.isSharedSnapshotTimer(), name)) {

        private volatile boolean firstSchedule = true;

        @Override
        protected void onTrigger() {
            handleSnapshotTimeout();
        }

        @Override
        protected int adjustTimeout(final int timeoutMs) {
            if (!this.firstSchedule) {
                return timeoutMs;
            }
            // Randomize the first snapshot trigger timeout
            this.firstSchedule = false;
            if (timeoutMs > 0) {
                int half = timeoutMs / 2;
                return half + ThreadLocalRandom.current().nextInt(half);
            } else {
                return timeoutMs;
            }
        }
    };
    this.configManager = new ConfigurationManager();
    this.applyDisruptor = // 
    DisruptorBuilder.<LogEntryAndClosure>newInstance().setRingBufferSize(// 
    this.raftOptions.getDisruptorBufferSize()).setEventFactory(// 
    new LogEntryAndClosureFactory()).setThreadFactory(// 
    new NamedThreadFactory("JRaft-NodeImpl-Disruptor-", true)).setProducerType(// 
    ProducerType.MULTI).setWaitStrategy(// 
    new BlockingWaitStrategy()).build();
    this.applyDisruptor.handleEventsWith(new LogEntryAndClosureHandler());
    this.applyDisruptor.setDefaultExceptionHandler(new LogExceptionHandler<Object>(getClass().getSimpleName()));
    this.applyQueue = this.applyDisruptor.start();
    if (this.metrics.getMetricRegistry() != null) {
        this.metrics.getMetricRegistry().register("jraft-node-impl-disruptor", new DisruptorMetricSet(this.applyQueue));
    }
    this.fsmCaller = new FSMCallerImpl();
    if (!initLogStorage()) {
        LOG.error("Node {} initLogStorage failed.", getNodeId());
        return false;
    }
    if (!initMetaStorage()) {
        LOG.error("Node {} initMetaStorage failed.", getNodeId());
        return false;
    }
    if (!initFSMCaller(new LogId(0, 0))) {
        LOG.error("Node {} initFSMCaller failed.", getNodeId());
        return false;
    }
    this.ballotBox = new BallotBox();
    final BallotBoxOptions ballotBoxOpts = new BallotBoxOptions();
    ballotBoxOpts.setWaiter(this.fsmCaller);
    ballotBoxOpts.setClosureQueue(this.closureQueue);
    if (!this.ballotBox.init(ballotBoxOpts)) {
        LOG.error("Node {} init ballotBox failed.", getNodeId());
        return false;
    }
    if (!initSnapshotStorage()) {
        LOG.error("Node {} initSnapshotStorage failed.", getNodeId());
        return false;
    }
    final Status st = this.logManager.checkConsistency();
    if (!st.isOk()) {
        LOG.error("Node {} is initialized with inconsistent log, status={}.", getNodeId(), st);
        return false;
    }
    this.conf = new ConfigurationEntry();
    this.conf.setId(new LogId());
    // if have log using conf in log, else using conf in options
    if (this.logManager.getLastLogIndex() > 0) {
        checkAndSetConfiguration(false);
    } else {
        this.conf.setConf(this.options.getInitialConf());
        // initially set to max(priority of all nodes)
        this.targetPriority = getMaxPriorityOfNodes(this.conf.getConf().getPeers());
    }
    if (!this.conf.isEmpty()) {
        Requires.requireTrue(this.conf.isValid(), "Invalid conf: %s", this.conf);
    } else {
        LOG.info("Init node {} with empty conf.", this.serverId);
    }
    // TODO RPC service and ReplicatorGroup is in cycle dependent, refactor it
    this.replicatorGroup = new ReplicatorGroupImpl();
    this.rpcService = new DefaultRaftClientService(this.replicatorGroup);
    final ReplicatorGroupOptions rgOpts = new ReplicatorGroupOptions();
    rgOpts.setHeartbeatTimeoutMs(heartbeatTimeout(this.options.getElectionTimeoutMs()));
    rgOpts.setElectionTimeoutMs(this.options.getElectionTimeoutMs());
    rgOpts.setLogManager(this.logManager);
    rgOpts.setBallotBox(this.ballotBox);
    rgOpts.setNode(this);
    rgOpts.setRaftRpcClientService(this.rpcService);
    rgOpts.setSnapshotStorage(this.snapshotExecutor != null ? this.snapshotExecutor.getSnapshotStorage() : null);
    rgOpts.setRaftOptions(this.raftOptions);
    rgOpts.setTimerManager(this.timerManager);
    // Adds metric registry to RPC service.
    this.options.setMetricRegistry(this.metrics.getMetricRegistry());
    if (!this.rpcService.init(this.options)) {
        LOG.error("Fail to init rpc service.");
        return false;
    }
    this.replicatorGroup.init(new NodeId(this.groupId, this.serverId), rgOpts);
    this.readOnlyService = new ReadOnlyServiceImpl();
    final ReadOnlyServiceOptions rosOpts = new ReadOnlyServiceOptions();
    rosOpts.setFsmCaller(this.fsmCaller);
    rosOpts.setNode(this);
    rosOpts.setRaftOptions(this.raftOptions);
    if (!this.readOnlyService.init(rosOpts)) {
        LOG.error("Fail to init readOnlyService.");
        return false;
    }
    // set state to follower
    this.state = State.STATE_FOLLOWER;
    if (LOG.isInfoEnabled()) {
        LOG.info("Node {} init, term={}, lastLogId={}, conf={}, oldConf={}.", getNodeId(), this.currTerm, this.logManager.getLastLogId(false), this.conf.getConf(), this.conf.getOldConf());
    }
    if (this.snapshotExecutor != null && this.options.getSnapshotIntervalSecs() > 0) {
        LOG.debug("Node {} start snapshot timer, term={}.", getNodeId(), this.currTerm);
        this.snapshotTimer.start();
    }
    if (!this.conf.isEmpty()) {
        stepDown(this.currTerm, false, new Status());
    }
    if (!NodeManager.getInstance().add(this)) {
        LOG.error("NodeManager add {} failed.", getNodeId());
        return false;
    }
    // Now the raft node is started , have to acquire the writeLock to avoid race
    // conditions
    this.writeLock.lock();
    if (this.conf.isStable() && this.conf.getConf().size() == 1 && this.conf.getConf().contains(this.serverId)) {
        // The group contains only this server which must be the LEADER, trigger
        // the timer immediately.
        electSelf();
    } else {
        this.writeLock.unlock();
    }
    return true;
}