KAFKA-4916: test streams with brokers failing by enothereska · Pull Request #2719 · apache/kafka

enothereska · 2017-03-21T18:48:08Z

Several fixes for handling broker failures:

default replication value for internal topics is now 3 in test itself (not in streams code, that will require a KIP.
streams producer waits for acks from all replicas in test itself (not in streams code, that will require a KIP.
backoff time for streams client to try again after a failure to contact controller.
fix bug related to state store locks (this helps in multi-threaded scenarios)
fix related to catching exceptions property for network errors.
system test for all the above

enothereska · 2017-03-21T18:48:55Z

Already getting an error from this basic test, that needs to be fixed before this PR goes in.
org.apache.kafka.streams.errors.StreamsException: Could not create internal topics.
at org.apache.kafka.streams.processor.internals.InternalTopicManager.makeReady(InternalTopicManager.java:69). Looks like this might not be a real error though, since the replication factor of the internal topics is not maintained. Adding another broker and re-testing.

asfbot · 2017-03-21T19:38:57Z

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asfbot · 2017-03-22T11:18:38Z

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enothereska · 2017-03-22T12:30:36Z

@dguy want to have a look? Thanks.

dguy

Thanks @enothereska just left a couple of questions

dguy · 2017-03-22T12:36:06Z

        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, kafka);
        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class);
        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class);
+        props.put(ProducerConfig.RETRIES_CONFIG, 5);


I wonder if we should set this higher? is there any harm in setting it to Integer.MAX_VALUE?

dguy · 2017-03-22T12:39:55Z

+        # Pick a random topic and bounce it's leader
+        topic_index = randint(0, len(self.topics.keys()) - 1)
+        topic = self.topics.keys()[topic_index]
+        failures[failure_mode](self, topic, broker_type)


Do you think we should maybe kill some more brokers? Or is that going to be too non-deterministic in terms of test failures?

We probably can. The main problem I have right now is how to sidestep all the Kafka corner cases when it comes to failures while still showing that streams is resilient. Stay tuned.

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enothereska · 2017-03-22T16:41:54Z

@dguy Making as WiP again since 2 tests are failing and I need to investigate.

[2017-03-22 16:25:05,575] ERROR stream-thread [SmokeTest-b25363c8-5bce-4d72-8c51-8fe0b49715f6-StreamThread-1] Streams application error during processing: (org.apache.kafka.streams.processor.internals.StreamThread)
java.lang.IllegalStateException: Attempt to send a request to node 1 which is not ready.
at org.apache.kafka.clients.NetworkClient.doSend(NetworkClient.java:284)
at org.apache.kafka.clients.NetworkClient.send(NetworkClient.java:265)
at org.apache.kafka.streams.processor.internals.StreamsKafkaClient.sendRequest(StreamsKafkaClient.java:238)
at org.apache.kafka.streams.processor.internals.StreamsKafkaClient.createTopics(StreamsKafkaClient.java:170)
at org.apache.kafka.streams.processor.internals.InternalTopicManager.makeReady(InternalTopicManager.java:63)
at org.apache.kafka.streams.processor.internals.StreamPartitionAssignor.prepareTopic(StreamPartitionAssignor.java:615)
at org.apache.kafka.streams.processor.internals.StreamPartitionAssignor.assign(StreamPartitionAssignor.java:445)
at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.performAssignment(ConsumerCoordinator.java:347)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.onJoinLeader(AbstractCoordinator.java:505)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.access$1100(AbstractCoordinator.java:93)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$JoinGroupResponseHandler.handle(AbstractCoordinator.java:455)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$JoinGroupResponseHandler.handle(AbstractCoordinator.java:437)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:788)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:769)
at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:190)
at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:153)
at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:120)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.fireCompletion(ConsumerNetworkClient.java:498)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.firePendingCompletedRequests(ConsumerNetworkClient.java:342)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:251)
at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:167)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:351)
at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:307)
at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:294)
at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1033)
at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:999)
at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:542)
at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:326)

…unce-test

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enothereska · 2017-04-01T15:55:28Z

https://jenkins.confluent.io/job/system-test-kafka-branch-builder/820/ is green

enothereska · 2017-04-03T10:54:47Z

@mjsax @dguy can I get a final approve so that @ijuma or others can check in? Also just opened 0.10.2 cherry picked version of this PR. Thanks.

dguy

Thanks @enothereska, LGTM

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enothereska · 2017-04-03T13:06:56Z

retest this please

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enothereska · 2017-04-03T16:55:06Z

Env failure, unrelated to PR

mjsax

LGTM

enothereska · 2017-04-03T21:21:08Z

@gwenshap @ewencp @ijuma this can go in, thanks. Also the 0.10.2 version of this: #2793. Thanks.

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Eno Thereska and others added 12 commits March 5, 2017 14:57

Temporarily use only 2 relevant tests for branch builder

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Undo previous

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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Merge branch 'trunk' of github.com:enothereska/kafka into trunk

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Initial test

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Added more tests

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Tighten test options to minimize data loss or duplicates

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enothereska changed the title ~~KAFKA-4916: test streams with brokers failing [WiP]~~ KAFKA-4916: test streams with brokers failing Mar 22, 2017

dguy reviewed Mar 22, 2017

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Added tests with failing more than one broker

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enothereska changed the title ~~KAFKA-4916: test streams with brokers failing~~ KAFKA-4916: test streams with brokers failing [WiP] Mar 22, 2017

Eno Thereska added 2 commits March 31, 2017 09:23

Merge remote-tracking branch 'origin/trunk' into KAFKA-4916-broker-bo…

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…unce-test

Addressed comments

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enothereska added 2 commits April 3, 2017 11:21

Merge branch 'trunk' of github.com:enothereska/kafka into trunk

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Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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enothereska mentioned this pull request Apr 3, 2017

KAFKA-4916: test streams with brokers failing (for 0.10.2) #2793

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enothereska added 2 commits April 3, 2017 13:15

Merge remote-tracking branch 'apache-kafka/trunk' into trunk

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mjsax approved these changes Apr 3, 2017

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Remove unnecessary call

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asfgit closed this in 49f80b2 Apr 5, 2017

enothereska deleted the KAFKA-4916-broker-bounce-test branch April 5, 2017 05:40

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