Examples with LogManager io.dingodb.raft.storage.LogManager used on opensource projects

Example 1 with LogManager

use of io.dingodb.raft.storage.LogManager in project dingo by dingodb.

the class LogManagerImpl method init.

@Override
public boolean init(final LogManagerOptions opts) {
    this.writeLock.lock();
    try {
        if (opts.getLogStorage() == null) {
            LOG.error("Fail to init log manager, log storage is null");
            return false;
        }
        this.raftOptions = opts.getRaftOptions();
        this.nodeMetrics = opts.getNodeMetrics();
        this.logStorage = opts.getLogStorage();
        this.configManager = opts.getConfigurationManager();
        LogStorageOptions lsOpts = new LogStorageOptions();
        lsOpts.setConfigurationManager(this.configManager);
        lsOpts.setLogEntryCodecFactory(opts.getLogEntryCodecFactory());
        lsOpts.setRaftLogStorageOptions(opts.getRaftLogStorageOptions());
        if (!this.logStorage.init(lsOpts)) {
            LOG.error("Fail to init logStorage");
            return false;
        }
        this.firstLogIndex = this.logStorage.getFirstLogIndex();
        this.lastLogIndex = this.logStorage.getLastLogIndex();
        this.diskId = new LogId(this.lastLogIndex, getTermFromLogStorage(this.lastLogIndex));
        this.fsmCaller = opts.getFsmCaller();
        this.disruptor = // 
        DisruptorBuilder.<StableClosureEvent>newInstance().setEventFactory(// 
        new StableClosureEventFactory()).setRingBufferSize(// 
        opts.getDisruptorBufferSize()).setThreadFactory(// 
        new NamedThreadFactory("JRaft-LogManager-Disruptor-", true)).setProducerType(// 
        ProducerType.MULTI).setWaitStrategy(new BlockingWaitStrategy()).build();
        this.disruptor.handleEventsWith(new StableClosureEventHandler());
        this.disruptor.setDefaultExceptionHandler(new LogExceptionHandler<Object>(this.getClass().getSimpleName(), (event, ex) -> reportError(-1, "LogManager handle event error")));
        this.diskQueue = this.disruptor.start();
        if (this.nodeMetrics.getMetricRegistry() != null) {
            this.nodeMetrics.getMetricRegistry().register("jraft-log-manager-disruptor", new DisruptorMetricSet(this.diskQueue));
        }
    } finally {
        this.writeLock.unlock();
    }
    return true;
}