Example usage for io.netty.buffer PooledByteBufAllocatorMetric heapArenas

Introduction

In this page you can find the example usage for io.netty.buffer PooledByteBufAllocatorMetric heapArenas.

Prototype

public List<PoolArenaMetric> heapArenas() 

Source Link

Document

Return a List of all heap PoolArenaMetric s that are provided by this pool.

Usage

From source file:org.apache.spark.network.util.NettyMemoryMetrics.java

License:Apache License

private void registerMetrics(PooledByteBufAllocator allocator) {
    PooledByteBufAllocatorMetric pooledAllocatorMetric = allocator.metric();

    // Register general metrics.
    allMetrics.put(MetricRegistry.name(metricPrefix, "usedHeapMemory"),
            (Gauge<Long>) () -> pooledAllocatorMetric.usedHeapMemory());
    allMetrics.put(MetricRegistry.name(metricPrefix, "usedDirectMemory"),
            (Gauge<Long>) () -> pooledAllocatorMetric.usedDirectMemory());

    if (verboseMetricsEnabled) {
        int directArenaIndex = 0;
        for (PoolArenaMetric metric : pooledAllocatorMetric.directArenas()) {
            registerArenaMetric(metric, "directArena" + directArenaIndex);
            directArenaIndex++;/*from   w ww .  ja  v a  2 s  . com*/
        }

        int heapArenaIndex = 0;
        for (PoolArenaMetric metric : pooledAllocatorMetric.heapArenas()) {
            registerArenaMetric(metric, "heapArena" + heapArenaIndex);
            heapArenaIndex++;
        }
    }
}

---

From source file:org.springframework.core.io.buffer.AbstractDataBufferAllocatingTests.java

License:Apache License

private void verifyAllocations() {
    if (this.bufferFactory instanceof NettyDataBufferFactory) {
        ByteBufAllocator allocator = ((NettyDataBufferFactory) this.bufferFactory).getByteBufAllocator();
        if (allocator instanceof PooledByteBufAllocator) {
            Instant start = Instant.now();
            while (true) {
                PooledByteBufAllocatorMetric metric = ((PooledByteBufAllocator) allocator).metric();
                long total = getAllocations(metric.directArenas()) + getAllocations(metric.heapArenas());
                if (total == 0) {
                    return;
                }//from  w  w w .  ja v  a2 s. com
                if (Instant.now().isBefore(start.plus(Duration.ofSeconds(5)))) {
                    try {
                        Thread.sleep(50);
                    } catch (InterruptedException ex) {
                        // ignore
                    }
                    continue;
                }
                assertThat(total).as("ByteBuf Leak: " + total + " unreleased allocations").isEqualTo(0);
            }
        }
    }
}

---

From source file:ratpack.dropwizard.metrics.internal.PooledByteBufAllocatorMetricSet.java

License:Apache License

private void initMetrics() {
    final PooledByteBufAllocatorMetric metric = pooledByteBufAllocator.metric();

    metrics.put("numDirectArenas", (Gauge<Integer>) () -> metric.numDirectArenas());
    metrics.put("numHeapArenas", (Gauge<Integer>) () -> metric.numHeapArenas());
    metrics.put("numThreadLocalCaches", (Gauge<Integer>) () -> metric.numThreadLocalCaches());
    metrics.put("smallCacheSize", (Gauge<Integer>) () -> metric.smallCacheSize());
    metrics.put("tinyCacheSize", (Gauge<Integer>) () -> metric.tinyCacheSize());
    metrics.put("normalCacheSize", (Gauge<Integer>) () -> metric.normalCacheSize());
    metrics.put("chunkSize", (Gauge<Integer>) () -> metric.chunkSize());

    metrics.put("usedDirectMemory", (Gauge<Long>) () -> metric.usedDirectMemory());
    metrics.put("usedHeapMemory", (Gauge<Long>) () -> metric.usedHeapMemory());

    if (includeArenas) {
        final Iterator<PoolArenaMetric> directArenasIterator = metric.directArenas().iterator();
        initPoolArenaMetrics(directArenasIterator);

        final Iterator<PoolArenaMetric> heapArenasIterator = metric.heapArenas().iterator();
        initPoolArenaMetrics(heapArenasIterator);
    }/*from   w w w .ja  v  a2 s  . com*/
}

---