Examples with HashedWheelTimer com.alipay.sofa.jraft.util.timer.HashedWheelTimer used on opensource projects

Example 1 with HashedWheelTimer

use of com.alipay.sofa.jraft.util.timer.HashedWheelTimer in project sofa-jraft by sofastack.

the class HeartbeatSender method init.

@Override
public synchronized boolean init(final HeartbeatOptions opts) {
    if (this.started) {
        LOG.info("[HeartbeatSender] already started.");
        return true;
    }
    this.statsCollector = new StatsCollector(this.storeEngine);
    this.instructionProcessor = new InstructionProcessor(this.storeEngine);
    this.heartbeatTimer = new HashedWheelTimer(new NamedThreadFactory("heartbeat-timer", true), 50, TimeUnit.MILLISECONDS, 4096);
    this.heartbeatRpcTimeoutMillis = opts.getHeartbeatRpcTimeoutMillis();
    if (this.heartbeatRpcTimeoutMillis <= 0) {
        throw new IllegalArgumentException("Heartbeat rpc timeout millis must > 0, " + this.heartbeatRpcTimeoutMillis);
    }
    final String name = "rheakv-heartbeat-callback";
    this.heartbeatRpcCallbackExecutor = // 
    ThreadPoolUtil.newBuilder().poolName(// 
    name).enableMetric(// 
    true).coreThreads(// 
    4).maximumThreads(// 
    4).keepAliveSeconds(// 
    120L).workQueue(// 
    new ArrayBlockingQueue<>(1024)).threadFactory(// 
    new NamedThreadFactory(name, true)).rejectedHandler(// 
    new DiscardOldPolicyWithReport(name)).build();
    final long storeHeartbeatIntervalSeconds = opts.getStoreHeartbeatIntervalSeconds();
    final long regionHeartbeatIntervalSeconds = opts.getRegionHeartbeatIntervalSeconds();
    if (storeHeartbeatIntervalSeconds <= 0) {
        throw new IllegalArgumentException("Store heartbeat interval seconds must > 0, " + storeHeartbeatIntervalSeconds);
    }
    if (regionHeartbeatIntervalSeconds <= 0) {
        throw new IllegalArgumentException("Region heartbeat interval seconds must > 0, " + regionHeartbeatIntervalSeconds);
    }
    final long now = System.currentTimeMillis();
    final StoreHeartbeatTask storeHeartbeatTask = new StoreHeartbeatTask(storeHeartbeatIntervalSeconds, now, false);
    final RegionHeartbeatTask regionHeartbeatTask = new RegionHeartbeatTask(regionHeartbeatIntervalSeconds, now, false);
    this.heartbeatTimer.newTimeout(storeHeartbeatTask, storeHeartbeatTask.getNextDelay(), TimeUnit.SECONDS);
    this.heartbeatTimer.newTimeout(regionHeartbeatTask, regionHeartbeatTask.getNextDelay(), TimeUnit.SECONDS);
    LOG.info("[HeartbeatSender] start successfully, options: {}.", opts);
    return this.started = true;
}