Examples with HystrixThreadPoolKey com.netflix.hystrix.HystrixThreadPoolKey used on opensource projects

Example 26 with HystrixThreadPoolKey

use of com.netflix.hystrix.HystrixThreadPoolKey in project Hystrix by Netflix.

the class CumulativeThreadPoolEventCounterStreamTest method testSemaphoreRejected.

@Test
public void testSemaphoreRejected() {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("Cumulative-ThreadPool-H");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("Cumulative-ThreadPool-H");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("Cumulative-Counter-H");
    stream = CumulativeThreadPoolEventCounterStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    //10 commands will saturate semaphore when called from different threads.
    //submit 2 more requests and they should be SEMAPHORE_REJECTED
    //should see 10 SUCCESSes, 2 SEMAPHORE_REJECTED and 2 FALLBACK_SUCCESSes
    List<Command> saturators = new ArrayList<Command>();
    for (int i = 0; i < 10; i++) {
        saturators.add(CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 300, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE));
    }
    CommandStreamTest.Command rejected1 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 0, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE);
    CommandStreamTest.Command rejected2 = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 0, HystrixCommandProperties.ExecutionIsolationStrategy.SEMAPHORE);
    for (final CommandStreamTest.Command saturator : saturators) {
        new Thread(new HystrixContextRunnable(new Runnable() {

            @Override
            public void run() {
                saturator.observe();
            }
        })).start();
    }
    try {
        Thread.sleep(10);
    } catch (InterruptedException ie) {
        fail(ie.getMessage());
    }
    rejected1.observe();
    rejected2.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertTrue(rejected1.isResponseSemaphoreRejected());
    assertTrue(rejected2.isResponseSemaphoreRejected());
    //none of these got executed on a thread-pool, so thread pool metrics should be 0
    assertEquals(2, stream.getLatest().length);
    assertEquals(0, stream.getLatestCount(HystrixEventType.ThreadPool.EXECUTED));
    assertEquals(0, stream.getLatestCount(HystrixEventType.ThreadPool.REJECTED));
}

Example 27 with HystrixThreadPoolKey

use of com.netflix.hystrix.HystrixThreadPoolKey in project Hystrix by Netflix.

the class CumulativeThreadPoolEventCounterStreamTest method testSingleBadRequest.

@Test
public void testSingleBadRequest() {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("Cumulative-ThreadPool-E");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("Cumulative-ThreadPool-E");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("Cumulative-Counter-E");
    stream = CumulativeThreadPoolEventCounterStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.BAD_REQUEST);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    assertEquals(2, stream.getLatest().length);
    assertEquals(1, stream.getLatestCount(HystrixEventType.ThreadPool.EXECUTED));
    assertEquals(0, stream.getLatestCount(HystrixEventType.ThreadPool.REJECTED));
}

Example 28 with HystrixThreadPoolKey

use of com.netflix.hystrix.HystrixThreadPoolKey in project Hystrix by Netflix.

the class CumulativeThreadPoolEventCounterStreamTest method testSingleTimeout.

@Test
public void testSingleTimeout() {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("Cumulative-ThreadPool-D");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("Cumulative-ThreadPool-D");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("Cumulative-Counter-D");
    stream = CumulativeThreadPoolEventCounterStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.TIMEOUT);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    assertEquals(2, stream.getLatest().length);
    assertEquals(1, stream.getLatestCount(HystrixEventType.ThreadPool.EXECUTED));
    assertEquals(0, stream.getLatestCount(HystrixEventType.ThreadPool.REJECTED));
}

Example 29 with HystrixThreadPoolKey

use of com.netflix.hystrix.HystrixThreadPoolKey in project Hystrix by Netflix.

the class CumulativeThreadPoolEventCounterStreamTest method testSingleSuccess.

@Test
public void testSingleSuccess() {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("Cumulative-ThreadPool-B");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("Cumulative-ThreadPool-B");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("Cumulative-Counter-B");
    stream = CumulativeThreadPoolEventCounterStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.SUCCESS, 20);
    cmd.observe();
    try {
        assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    } catch (InterruptedException ex) {
        fail("Interrupted ex");
    }
    assertEquals(2, stream.getLatest().length);
    assertEquals(1, stream.getLatestCount(HystrixEventType.ThreadPool.EXECUTED));
    assertEquals(0, stream.getLatestCount(HystrixEventType.ThreadPool.REJECTED));
}

Example 30 with HystrixThreadPoolKey

use of com.netflix.hystrix.HystrixThreadPoolKey in project Hystrix by Netflix.

the class SerialHystrixConfiguration method serializeConfiguration.

private static void serializeConfiguration(HystrixConfiguration config, JsonGenerator json) {
    try {
        json.writeStartObject();
        json.writeStringField("type", "HystrixConfig");
        json.writeObjectFieldStart("commands");
        for (Map.Entry<HystrixCommandKey, HystrixCommandConfiguration> entry : config.getCommandConfig().entrySet()) {
            final HystrixCommandKey key = entry.getKey();
            final HystrixCommandConfiguration commandConfig = entry.getValue();
            writeCommandConfigJson(json, key, commandConfig);
        }
        json.writeEndObject();
        json.writeObjectFieldStart("threadpools");
        for (Map.Entry<HystrixThreadPoolKey, HystrixThreadPoolConfiguration> entry : config.getThreadPoolConfig().entrySet()) {
            final HystrixThreadPoolKey threadPoolKey = entry.getKey();
            final HystrixThreadPoolConfiguration threadPoolConfig = entry.getValue();
            writeThreadPoolConfigJson(json, threadPoolKey, threadPoolConfig);
        }
        json.writeEndObject();
        json.writeObjectFieldStart("collapsers");
        for (Map.Entry<HystrixCollapserKey, HystrixCollapserConfiguration> entry : config.getCollapserConfig().entrySet()) {
            final HystrixCollapserKey collapserKey = entry.getKey();
            final HystrixCollapserConfiguration collapserConfig = entry.getValue();
            writeCollapserConfigJson(json, collapserKey, collapserConfig);
        }
        json.writeEndObject();
        json.writeEndObject();
        json.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}