Examples with ByteBufAllocatorMetricProvider io.netty.buffer.ByteBufAllocatorMetricProvider used on opensource projects

Example 1 with ByteBufAllocatorMetricProvider

use of io.netty.buffer.ByteBufAllocatorMetricProvider in project zuul by Netflix.

the class Server method start.

public void start() {
    serverGroup = new ServerGroup("Salamander", eventLoopConfig.acceptorCount(), eventLoopConfig.eventLoopCount(), eventLoopGroupMetrics);
    serverGroup.initializeTransport();
    try {
        List<ChannelFuture> allBindFutures = new ArrayList<>(addressesToInitializers.size());
        // Setup each of the channel initializers on requested ports.
        for (Map.Entry<NamedSocketAddress, ? extends ChannelInitializer<?>> entry : addressesToInitializers.entrySet()) {
            NamedSocketAddress requestedNamedAddr = entry.getKey();
            ChannelFuture nettyServerFuture = setupServerBootstrap(requestedNamedAddr, entry.getValue());
            Channel chan = nettyServerFuture.channel();
            addressesToChannels.put(requestedNamedAddr.withNewSocket(chan.localAddress()), chan);
            allBindFutures.add(nettyServerFuture);
        }
        // Add metrics to monitor that allocator's memory usage.
        if (!allBindFutures.isEmpty()) {
            ByteBufAllocator alloc = allBindFutures.get(0).channel().alloc();
            if (alloc instanceof ByteBufAllocatorMetricProvider) {
                ByteBufAllocatorMetric metrics = ((ByteBufAllocatorMetricProvider) alloc).metric();
                PolledMeter.using(registry).withId(registry.createId("zuul.nettybuffermem.live", "type", "heap")).monitorValue(metrics, ByteBufAllocatorMetric::usedHeapMemory);
                PolledMeter.using(registry).withId(registry.createId("zuul.nettybuffermem.live", "type", "direct")).monitorValue(metrics, ByteBufAllocatorMetric::usedDirectMemory);
            }
        }
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
    }
}