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

Example 16 with HystrixCommandGroupKey

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

the class RollingThreadPoolEventCounterStreamTest method testSingleFailure.

@Test
public void testSingleFailure() {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("ThreadPool-C");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("ThreadPool-C");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("RollingCounter-C");
    stream = RollingThreadPoolEventCounterStream.getInstance(threadPoolKey, 10, 500);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(5).subscribe(getSubscriber(latch));
    CommandStreamTest.Command cmd = CommandStreamTest.Command.from(groupKey, key, HystrixEventType.FAILURE, 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 17 with HystrixCommandGroupKey

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

the class RollingThreadPoolMaxConcurrencyStreamTest method testConcurrencyStreamProperlyFiltersOutResponseFromCache.

@Test
public void testConcurrencyStreamProperlyFiltersOutResponseFromCache() throws InterruptedException {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("ThreadPool-Concurrency-G");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("ThreadPool-Concurrency-G");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("RollingConcurrency-G");
    stream = RollingThreadPoolMaxConcurrencyStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    Command cmd1 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 40);
    Command cmd2 = Command.from(groupKey, key, HystrixEventType.RESPONSE_FROM_CACHE);
    Command cmd3 = Command.from(groupKey, key, HystrixEventType.RESPONSE_FROM_CACHE);
    Command cmd4 = Command.from(groupKey, key, HystrixEventType.RESPONSE_FROM_CACHE);
    cmd1.observe();
    Thread.sleep(5);
    cmd2.observe();
    cmd3.observe();
    cmd4.observe();
    assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    assertTrue(cmd2.isResponseFromCache());
    assertTrue(cmd3.isResponseFromCache());
    assertTrue(cmd4.isResponseFromCache());
    assertEquals(1, stream.getLatestRollingMax());
}

Example 18 with HystrixCommandGroupKey

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

the class RollingThreadPoolMaxConcurrencyStreamTest method testOneCommandCarriesOverToNextBucket.

/***
     * 3 Commands,
     * Command 1 gets started in Bucket A and not completed until Bucket B
     * Commands 2 and 3 both start and end in Bucket B, and there should be a max-concurrency of 3
     */
@Test
public void testOneCommandCarriesOverToNextBucket() throws InterruptedException {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("ThreadPool-Concurrency-D");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("ThreadPool-Concurrency-D");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("RollingConcurrency-D");
    stream = RollingThreadPoolMaxConcurrencyStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    Command cmd1 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 560);
    Command cmd2 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 50);
    Command cmd3 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 75);
    cmd1.observe();
    //bucket roll
    Thread.sleep(150);
    cmd2.observe();
    Thread.sleep(1);
    cmd3.observe();
    assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    assertEquals(3, stream.getLatestRollingMax());
}

Example 19 with HystrixCommandGroupKey

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

the class RollingThreadPoolMaxConcurrencyStreamTest method testConcurrencyStreamProperlyFiltersOutShortCircuits.

@Test
public void testConcurrencyStreamProperlyFiltersOutShortCircuits() throws InterruptedException {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("ThreadPool-Concurrency-H");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("ThreadPool-Concurrency-H");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("RollingConcurrency-H");
    stream = RollingThreadPoolMaxConcurrencyStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(10).subscribe(getSubscriber(latch));
    //after 3 failures, next command should short-circuit.
    //to prove short-circuited commands don't contribute to concurrency, execute 3 FAILURES in the first bucket sequentially
    //then when circuit is open, execute 20 concurrent commands.  they should all get short-circuited, and max concurrency should be 1
    Command failure1 = Command.from(groupKey, key, HystrixEventType.FAILURE);
    Command failure2 = Command.from(groupKey, key, HystrixEventType.FAILURE);
    Command failure3 = Command.from(groupKey, key, HystrixEventType.FAILURE);
    List<Command> shortCircuited = new ArrayList<Command>();
    for (int i = 0; i < 20; i++) {
        shortCircuited.add(Command.from(groupKey, key, HystrixEventType.SUCCESS, 100));
    }
    failure1.execute();
    failure2.execute();
    failure3.execute();
    Thread.sleep(150);
    for (Command cmd : shortCircuited) {
        cmd.observe();
    }
    assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    System.out.println("ReqLog : " + HystrixRequestLog.getCurrentRequest().getExecutedCommandsAsString());
    for (Command cmd : shortCircuited) {
        assertTrue(cmd.isResponseShortCircuited());
    }
    assertEquals(1, stream.getLatestRollingMax());
}

Example 20 with HystrixCommandGroupKey

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

the class RollingThreadPoolMaxConcurrencyStreamTest method testMultipleCommandsCarryOverMultipleBucketsAndThenAgeOut.

/**
     * BUCKETS
     *     A    |    B    |    C    |    D    |    E    |
     * 1:  [-------------------------------]
     * 2:          [-------------------------------]
     * 3:                      [--]
     * 4:                              [--]
     *
     * Max concurrency should be 3, but by waiting for 30 bucket rolls, final max concurrency should be 0
     */
@Test
public void testMultipleCommandsCarryOverMultipleBucketsAndThenAgeOut() throws InterruptedException {
    HystrixCommandGroupKey groupKey = HystrixCommandGroupKey.Factory.asKey("ThreadPool-Concurrency-F");
    HystrixThreadPoolKey threadPoolKey = HystrixThreadPoolKey.Factory.asKey("ThreadPool-Concurrency-F");
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("RollingConcurrency-F");
    stream = RollingThreadPoolMaxConcurrencyStream.getInstance(threadPoolKey, 10, 100);
    stream.startCachingStreamValuesIfUnstarted();
    final CountDownLatch latch = new CountDownLatch(1);
    stream.observe().take(30).subscribe(getSubscriber(latch));
    Command cmd1 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 300);
    Command cmd2 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 300);
    Command cmd3 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 10);
    Command cmd4 = Command.from(groupKey, key, HystrixEventType.SUCCESS, 10);
    cmd1.observe();
    //bucket roll
    Thread.sleep(100);
    cmd2.observe();
    Thread.sleep(100);
    cmd3.observe();
    Thread.sleep(100);
    cmd4.observe();
    assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    assertEquals(0, stream.getLatestRollingMax());
}