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Investigate flaky librdkafka tests #7148

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mmaslankaprv opened this issue Nov 8, 2022 · 5 comments
Closed

Investigate flaky librdkafka tests #7148

mmaslankaprv opened this issue Nov 8, 2022 · 5 comments
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ci-disabled-test kind/enhance New feature or request

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@mmaslankaprv
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mmaslankaprv commented Nov 8, 2022 •
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Investigate why some of the librdkafka ducktape tests fail intermittently in Ci.

JIRA Link: CORE-1072
@mmaslankaprv mmaslankaprv added kind/enhance New feature or request ci-disabled-test labels Nov 8, 2022
@mmaslankaprv mmaslankaprv mentioned this issue Nov 8, 2022
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@NyaliaLui
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Instances of these failures are
https://buildkite.com/redpanda/redpanda/builds/18065#018455c2-a92a-4d07-8a52-723019b02e8c/6-1030
https://buildkite.com/redpanda/redpanda/builds/18063#018455b1-8a3d-4f13-b6ba-2315d607fccb/6-947
https://buildkite.com/redpanda/redpanda/builds/18059#0184556f-db61-41e4-ac10-63f5cf5e6c0a/6-1007
https://buildkite.com/redpanda/redpanda/builds/18024#01845303-02c1-49f4-986a-808d406f441a/6-932
https://buildkite.com/redpanda/redpanda/builds/18064#018455ba-6762-4555-bedb-d40c98025e45/6-1004

The failure looks like:

    Exception('LibrdkafkaTestcase-0-140073870776048-worker-1: Traceback (most recent call last):\n  File "/root/tests/rptest/services/librdkafka_test_case.py", line 59, in _worker\n    node.account.ssh(\n  File "/usr/local/lib/python3.10/dist-packages/ducktape/cluster/remoteaccount.py", line 281, in ssh\n    raise RemoteCommandError(self, cmd, exit_status, stderr.read())\nducktape.cluster.remoteaccount.RemoteCommandError: root@docker-rp-24: Command \'TEST_KAFKA_VERSION=3.0.0 TESTS=0026 RDKAFKA_TEST_CONF=/mnt/librdkafka_tests/test.conf KAFKA_VERSION=3.0.0 KAFKA_PATH=/opt/kafka-3.0.0 BROKERS=docker-rp-23:9092,docker-rp-22:9092,docker-rp-21:9092 /opt/librdkafka/tests/test-runner > /mnt/librdkafka_tests/rdkafka_test.log 2>&1\' returned non-zero exit status 134. Remote error message: b\'bash: line 1:  2574 Aborted                 (core dumped) TEST_KAFKA_VERSION=3.0.0 TESTS=0026 RDKAFKA_TEST_CONF=/mnt/librdkafka_tests/test.conf KAFKA_VERSION=3.0.0 KAFKA_PATH=/opt/kafka-3.0.0 BROKERS=docker-rp-23:9092,docker-rp-22:9092,docker-rp-21:9092 /opt/librdkafka/tests/test-runner > /mnt/librdkafka_tests/rdkafka_test.log 2>&1\\n\'\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n  File "/usr/local/lib/python3.10/dist-packages/ducktape/services/background_thread.py", line 38, in _protected_worker\n    self._worker(idx, node)\n  File "/root/tests/rptest/services/librdkafka_test_case.py", line 66, in _worker\n    assert False\nAssertionError\n')
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line 135, in run
    data = self.run_test()
  File "/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line 227, in run_test
    return self.test_context.function(self.test)
  File "/usr/local/lib/python3.10/dist-packages/ducktape/mark/_mark.py", line 476, in wrapper
    return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
  File "/root/tests/rptest/services/cluster.py", line 35, in wrapped
    r = f(self, *args, **kwargs)
  File "/root/tests/rptest/utils/mode_checks.py", line 63, in f
    return func(*args, **kwargs)
  File "/root/tests/rptest/tests/librdkafka_test.py", line 75, in test_librdkafka
    tc.wait()
  File "/usr/local/lib/python3.10/dist-packages/ducktape/services/background_thread.py", line 74, in wait
    self._propagate_exceptions()
  File "/usr/local/lib/python3.10/dist-packages/ducktape/services/background_thread.py", line 100, in _propagate_exceptions
    raise Exception(self.errors)
Exception: LibrdkafkaTestcase-0-140073870776048-worker-1: Traceback (most recent call last):
  File "/root/tests/rptest/services/librdkafka_test_case.py", line 59, in _worker
    node.account.ssh(
  File "/usr/local/lib/python3.10/dist-packages/ducktape/cluster/remoteaccount.py", line 281, in ssh
    raise RemoteCommandError(self, cmd, exit_status, stderr.read())
ducktape.cluster.remoteaccount.RemoteCommandError: root@docker-rp-24: Command 'TEST_KAFKA_VERSION=3.0.0 TESTS=0026 RDKAFKA_TEST_CONF=/mnt/librdkafka_tests/test.conf KAFKA_VERSION=3.0.0 KAFKA_PATH=/opt/kafka-3.0.0 BROKERS=docker-rp-23:9092,docker-rp-22:9092,docker-rp-21:9092 /opt/librdkafka/tests/test-runner > /mnt/librdkafka_tests/rdkafka_test.log 2>&1' returned non-zero exit status 134. Remote error message: b'bash: line 1:  2574 Aborted                 (core dumped) TEST_KAFKA_VERSION=3.0.0 TESTS=0026 RDKAFKA_TEST_CONF=/mnt/librdkafka_tests/test.conf KAFKA_VERSION=3.0.0 KAFKA_PATH=/opt/kafka-3.0.0 BROKERS=docker-rp-23:9092,docker-rp-22:9092,docker-rp-21:9092 /opt/librdkafka/tests/test-runner > /mnt/librdkafka_tests/rdkafka_test.log 2>&1\n'
 
During handling of the above exception, another exception occurred:
 
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/ducktape/services/background_thread.py", line 38, in _protected_worker
    self._worker(idx, node)
  File "/root/tests/rptest/services/librdkafka_test_case.py", line 66, in _worker
    assert False
AssertionError

@mmaslankaprv
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Each failed test should have librdkafka logs available

@dlex dlex mentioned this issue Nov 8, 2022
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@NyaliaLui
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NyaliaLui commented Nov 9, 2022 •
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More instances in
https://buildkite.com/redpanda/redpanda/builds/18184#01845ac8-1a7f-4763-b63e-e53ec491599c/6-1130
https://buildkite.com/redpanda/redpanda/builds/18184#01845ac8-1a7f-4763-b63e-e53ec491599c/6-1134
https://buildkite.com/redpanda/redpanda/builds/18213#01845bfe-ee26-4880-95b7-d0a6a72789a8/6-215
https://buildkite.com/redpanda/redpanda/builds/18172#0184599a-a26f-43d3-aa9a-465cef5a3423/6-284
https://buildkite.com/redpanda/redpanda/builds/18156#018458e3-a6e9-473c-9985-965f85ed4553/6-356
https://buildkite.com/redpanda/redpanda/builds/18094#01845785-9212-4875-8981-65a4f4c4b11b/6-888
https://buildkite.com/redpanda/redpanda/builds/18210#01845bee-b0d5-46bb-a88e-9097cb661fc4/6-295
https://buildkite.com/redpanda/redpanda/builds/18175#018459af-8ed0-4e3f-950b-e66667d6c904/6-275
https://buildkite.com/redpanda/redpanda/builds/18088#0184573e-ee81-4802-8908-fb7464b4ecd5/6-956
https://buildkite.com/redpanda/redpanda/builds/18089#01845740-0487-46bc-9799-f5151734d585/6-1007

Looking at the librdkafka logs, there are assert failures such as
test-runner: test.c:6629: test_fail0: Assertion 0 failed.

@NyaliaLui
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NyaliaLui commented Nov 10, 2022 •
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More instances in
https://buildkite.com/redpanda/redpanda/builds/18239#01845d1c-cb15-4dde-afad-9e4544a493a2/6-236
https://buildkite.com/redpanda/redpanda/builds/18239#01845d1c-cb15-4dde-afad-9e4544a493a2/6-240
https://ci-artifacts.dev.vectorized.cloud/redpanda/01845ff3-176f-4ff2-a9f9-c37606100922/vbuild/ducktape/results/2022-11-10--001/LibrdkafkaTest/test_librdkafka/test_num=102/264/
https://ci-artifacts.dev.vectorized.cloud/redpanda/01845ff3-176f-4ff2-a9f9-c37606100922/vbuild/ducktape/results/2022-11-10--001/LibrdkafkaTest/test_librdkafka/test_num=26/294/
https://ci-artifacts.dev.vectorized.cloud/redpanda/01845ff3-176f-4ff2-a9f9-c37606100922/vbuild/ducktape/results/2022-11-10--001/LibrdkafkaTest/test_librdkafka/test_num=91/355/
https://buildkite.com/redpanda/redpanda/builds/18287#01845e9b-60a0-470d-aae0-763f97125c4c/6-203
https://ci-artifacts.dev.vectorized.cloud/redpanda/01845fec-ab7b-4dcf-ab51-dc780f51d2f6/vbuild/ducktape/results/2022-11-10--001/LibrdkafkaTest/test_librdkafka/test_num=26/280/
https://buildkite.com/redpanda/redpanda/builds/18335#0184600e-8e03-4395-9cbf-7ba5f5efe2e0/6-191
https://buildkite.com/redpanda/redpanda/builds/18257#01845d99-5a1f-4a03-802e-095a22c3e26f/6-295

A few CI runs didn't show results because the output was too large, so I linked to the actual test results

@NyaliaLui
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https://buildkite.com/redpanda/redpanda/builds/18409#0184638b-09b6-4f3e-8daa-43a01ca8477d/6-136
https://buildkite.com/redpanda/redpanda/builds/18459#01846609-ac38-43fa-9408-891b24de94da/6-37
https://buildkite.com/redpanda/redpanda/builds/18439#01846519-66c3-4b3a-bc5c-d6606f1b6a72/6-84
https://buildkite.com/redpanda/redpanda/builds/18439#01846519-66c3-4b3a-bc5c-d6606f1b6a72/6-88
https://buildkite.com/redpanda/redpanda/builds/18439#01846519-66c3-4b3a-bc5c-d6606f1b6a72/6-84
https://buildkite.com/redpanda/redpanda/builds/18439#01846519-66c3-4b3a-bc5c-d6606f1b6a72/6-88
https://buildkite.com/redpanda/redpanda/builds/18447#0184654f-543f-48a5-a308-cb82bc3508f0/6-87
https://buildkite.com/redpanda/redpanda/builds/18447#0184654f-543f-48a5-a308-cb82bc3508f0/6-91

@BenPope BenPope mentioned this issue Oct 10, 2023
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This was referenced Oct 10, 2023
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@dotnwat dotnwat closed this as completed Apr 4, 2024
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