Examples with PoolStats com.linkedin.r2.transport.http.client.PoolStats used on opensource projects

Example 6 with PoolStats

use of com.linkedin.r2.transport.http.client.PoolStats in project rest.li by linkedin.

the class TestAsyncPool method testGetStatsWithErrors.

@Test
public void testGetStatsWithErrors() throws Exception {
    final int POOL_SIZE = 25;
    final int GET = 20;
    final int PUT_BAD = 5;
    final int DISPOSE = 7;
    final int CREATE_BAD = 9;
    final int TIMEOUT = 100;
    final UnreliableLifecycle lifecycle = new UnreliableLifecycle();
    final AsyncPool<AtomicBoolean> pool = new AsyncPoolImpl<>("object pool", lifecycle, POOL_SIZE, TIMEOUT, _executor);
    PoolStats stats;
    final List<AtomicBoolean> objects = new ArrayList<>();
    pool.start();
    // do a few gets
    for (int i = 0; i < GET; i++) {
        FutureCallback<AtomicBoolean> cb = new FutureCallback<>();
        pool.get(cb);
        AtomicBoolean obj = cb.get();
        objects.add(obj);
    }
    // put and destroy some, with errors
    lifecycle.setFail(true);
    for (int i = 0; i < PUT_BAD; i++) {
        AtomicBoolean obj = objects.remove(objects.size() - 1);
        obj.set(false);
        pool.put(obj);
    }
    for (int i = 0; i < DISPOSE; i++) {
        AtomicBoolean obj = objects.remove(objects.size() - 1);
        pool.dispose(obj);
    }
    stats = pool.getStats();
    Assert.assertEquals(stats.getTotalDestroyed(), 0);
    Assert.assertEquals(stats.getTotalCreateErrors(), 0);
    Assert.assertEquals(stats.getTotalDestroyErrors(), PUT_BAD + DISPOSE);
    Assert.assertEquals(stats.getTotalBadDestroyed(), PUT_BAD + DISPOSE);
    // create some with errors
    for (int i = 0; i < CREATE_BAD; i++) {
        FutureCallback<AtomicBoolean> cb = new FutureCallback<>();
        try {
            pool.get(cb);
        } catch (Exception e) {
        // this error is expected
        }
    }
    stats = pool.getStats();
    Assert.assertEquals(stats.getCheckedOut(), GET - PUT_BAD - DISPOSE);
    Assert.assertEquals(stats.getTotalCreateErrors(), CREATE_BAD);
}

Example 7 with PoolStats

use of com.linkedin.r2.transport.http.client.PoolStats in project rest.li by linkedin.

the class TestAsyncSharedPoolImpl method testGetStats.

@Test
public void testGetStats() {
    AsyncSharedPoolImpl<Object> pool = new AsyncSharedPoolImpl<>(POOL_NAME, LIFECYCLE, SCHEDULER, LIMITER, NO_POOL_TIMEOUT, MAX_WAITERS);
    PoolStats stats = pool.getStats();
    Assert.assertNotNull(stats);
    Assert.assertEquals(stats.getMaxPoolSize(), 1);
    Assert.assertEquals(stats.getMinPoolSize(), 0);
    Assert.assertEquals(stats.getIdleCount(), 0);
    Assert.assertEquals(stats.getTotalDestroyErrors(), 0);
    Assert.assertEquals(stats.getTotalDestroyed(), 0);
    Assert.assertEquals(stats.getTotalTimedOut(), 0);
    Assert.assertEquals(stats.getTotalCreateErrors(), 0);
    Assert.assertEquals(stats.getTotalBadDestroyed(), 0);
    Assert.assertEquals(stats.getCheckedOut(), 0);
    Assert.assertEquals(stats.getTotalCreated(), 0);
    Assert.assertEquals(stats.getPoolSize(), 0);
    Assert.assertEquals(stats.getSampleMaxCheckedOut(), 0);
    Assert.assertEquals(stats.getSampleMaxPoolSize(), 0);
    Assert.assertEquals(stats.getWaitTime50Pct(), 0);
    Assert.assertEquals(stats.getWaitTime95Pct(), 0);
    Assert.assertEquals(stats.getWaitTime99Pct(), 0);
    Assert.assertEquals(stats.getWaitTimeAvg(), 0.0);
}

Example 8 with PoolStats

use of com.linkedin.r2.transport.http.client.PoolStats in project rest.li by linkedin.

the class TestAsyncSharedPoolImpl method testMaximumConcurrency.

@Test(dataProvider = "lifecycles")
public void testMaximumConcurrency(AsyncPool.Lifecycle<Object> lifecycle) throws Exception {
    final AsyncSharedPoolImpl<Object> pool = new AsyncSharedPoolImpl<>(POOL_NAME, lifecycle, SCHEDULER, LIMITER, NO_POOL_TIMEOUT, MAX_WAITERS);
    pool.start();
    CountDownLatch latch = new CountDownLatch(NUMBER_OF_THREADS);
    IntStream.range(0, NUMBER_OF_THREADS).forEach(i -> SCHEDULER.execute(() -> {
        try {
            FutureCallback<Object> callback = new FutureCallback<>();
            Assert.assertNotNull(pool.get(callback));
            Object item = callback.get(GET_TIMEOUT, TIME_UNIT);
            Assert.assertNotNull(item);
            pool.put(item);
        } catch (Exception e) {
        } finally {
            latch.countDown();
        }
    }));
    if (!latch.await(OPERATION_TIMEOUT, TIME_UNIT)) {
        Assert.fail("Timed out before tasks finish");
    }
    PoolStats stats = pool.getStats();
    System.err.println("Total Created: " + stats.getTotalCreated());
    FutureCallback<None> shutdownCallback = new FutureCallback<>();
    pool.shutdown(shutdownCallback);
    shutdownCallback.get(SHUTDOWN_TIMEOUT, TIME_UNIT);
}