KAFKA-10402: Upgrade system tests to python3 by nizhikov · Pull Request #9196 · apache/kafka

nizhikov · 2020-08-18T10:17:40Z

For now, Kafka system tests use python2 which is outdated and not supported.
This PR upgrades python to the third version.

Committer Checklist (excluded from commit message)

Verify design and implementation
Verify test coverage and CI build status
Verify documentation (including upgrade notes)

ivandasch

Hi, I have some remarks, that should be resolved.

edenhill

Good stuff!

guozhangwang · 2020-09-16T04:31:35Z

@nizhikov could you rebase your PR on trunk so I can trigger a system test run to verify?

guozhangwang · 2020-09-20T02:52:09Z

test this please

guozhangwang · 2020-09-20T02:55:36Z

triggered system test as https://jenkins.confluent.io/job/system-test-kafka-branch-builder/4180/

nizhikov · 2020-09-20T06:59:02Z

Hello, @guozhangwang

You can find the latest test results on my environment in the ticket
I don't have access(error 404) to your run - https://jenkins.confluent.io/job/system-test-kafka-branch-builder/4180/ Can you, please, provide me access or link to the results of the run.

nizhikov · 2020-09-21T09:05:52Z

Hello, @guozhangwang

2 tests that fails in this branch fails in the trunk too.
I fixed them in #9312

Please, take a look.

  File "/opt/kafka-dev/tests/kafkatest/tests/streams/streams_static_membership_test.py", line 88, in test_rolling_bounces_will_not_trigger_rebalance_under_static_membership
    generation = int(generation)
ValueError: invalid literal for int() with base 10: "Generation{generationId=5,memberId='consumer-A-3-a9a925b2-2875-4756-8649-49f516b6cae1',protocol='stream'}\n"

  File "/opt/kafka-dev/tests/kafkatest/tests/streams/streams_upgrade_test.py", line 511, in do_rolling_bounce
    processor_generation = self.extract_highest_generation(processor_found)
  File "/opt/kafka-dev/tests/kafkatest/tests/streams/streams_upgrade_test.py", line 533, in extract_highest_generation
    return int(found_generations[-1])
ValueError: invalid literal for int() with base 10: "Generation{generationId=6,memberId='StreamsUpgradeTest-8a6ac110-1c65-40eb-af05-8bee270f1701-StreamThread-1-consumer-207de872-6588-407a-8485-101a19ba2bf0',protocol='stream'}\n"

nizhikov · 2020-09-23T11:22:20Z

Hello, @guozhangwang

Do you have system tests run results?
Can you, please, show me it.

edenhill · 2020-09-23T11:39:21Z

Excerpt from the Jenkins test run:

SESSION REPORT (ALL TESTS)
ducktape version: 0.7.9
session_id:       2020-09-20--001
run time:         400 minutes 59.682 seconds
tests run:        606
passed:           432
failed:           4
ignored:          170

.....

test_id:    kafkatest.tests.streams.streams_named_repartition_topic_test.StreamsNamedRepartitionTopicTest.test_upgrade_topology_with_named_repartition_topic
status:     FAIL
run time:   1 minute 59.478 seconds


    Server connection dropped: 
Traceback (most recent call last):
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 134, in run
    data = self.run_test()
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 192, in run_test
    return self.test_context.function(self.test)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/streams_named_repartition_topic_test.py", line 77, in test_upgrade_topology_with_named_repartition_topic
    verify_running(processor, 'UPDATED Topology')
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/utils/util.py", line 18, in verify_running
    processor.start()
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/services/service.py", line 234, in start
    self.start_node(node)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/services/streams.py", line 308, in start_node
    node.account.create_file(self.CONFIG_FILE, prop_file)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/cluster/remoteaccount.py", line 588, in create_file
    with self.sftp_client.open(path, "w") as f:
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/paramiko-2.6.0-py2.7.egg/paramiko/sftp_client.py", line 372, in open
    t, msg = self._request(CMD_OPEN, filename, imode, attrblock)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/paramiko-2.6.0-py2.7.egg/paramiko/sftp_client.py", line 813, in _request
    return self._read_response(num)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/paramiko-2.6.0-py2.7.egg/paramiko/sftp_client.py", line 845, in _read_response
    raise SSHException("Server connection dropped: {}".format(e))
SSHException: Server connection dropped: 


......


test_id:    kafkatest.tests.streams.streams_static_membership_test.StreamsStaticMembershipTest.test_rolling_bounces_will_not_trigger_rebalance_under_static_membership
status:     FAIL
run time:   2 minutes 2.957 seconds


    invalid literal for int() with base 10: "Generation{generationId=5,memberId='consumer-A-3-bf3848e8-0d61-4637-81d0-de9f42c95ddf',protocol='stream'} "
Traceback (most recent call last):
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 134, in run
    data = self.run_test()
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 192, in run_test
    return self.test_context.function(self.test)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/streams_static_membership_test.py", line 86, in test_rolling_bounces_will_not_trigger_rebalance_under_static_membership
    generation = int(generation)
ValueError: invalid literal for int() with base 10: "Generation{generationId=5,memberId='consumer-A-3-bf3848e8-0d61-4637-81d0-de9f42c95ddf',protocol='stream'} "

.......

test_id:    kafkatest.tests.streams.streams_upgrade_test.StreamsUpgradeTest.test_version_probing_upgrade
status:     FAIL
run time:   1 minute 22.265 seconds


    invalid literal for int() with base 10: "Generation{generationId=7,memberId='StreamsUpgradeTest-0cf34158-7f97-4699-8952-acec9013c8e0-StreamThread-1-consumer-5d625105-c972-4545-9967-b85e14274d0d',protocol='stream'} "
Traceback (most recent call last):
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 134, in run
    data = self.run_test()
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 192, in run_test
    return self.test_context.function(self.test)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/streams_upgrade_test.py", line 273, in test_version_probing_upgrade
    current_generation = self.do_rolling_bounce(p, counter, current_generation)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/streams_upgrade_test.py", line 511, in do_rolling_bounce
    processor_generation = self.extract_highest_generation(processor_found)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/streams_upgrade_test.py", line 533, in extract_highest_generation
    return int(found_generations[-1])
ValueError: invalid literal for int() with base 10: "Generation{generationId=7,memberId='StreamsUpgradeTest-0cf34158-7f97-4699-8952-acec9013c8e0-StreamThread-1-consumer-5d625105-c972-4545-9967-b85e14274d0d',protocol='stream'} "


......

test_id:    kafkatest.tests.connect.connect_distributed_test.ConnectDistributedTest.test_bounce.connect_protocol=compatible.clean=True
status:     FAIL
run time:   6 minutes 14.893 seconds


    Failed to see connector transition to the RUNNING state
Traceback (most recent call last):
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 134, in run
    data = self.run_test()
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 192, in run_test
    return self.test_context.function(self.test)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/mark/_mark.py", line 429, in wrapper
    return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/connect/connect_distributed_test.py", line 405, in test_bounce
    err_msg="Failed to see connector transition to the RUNNING state")
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/utils/util.py", line 41, in wait_until
    raise TimeoutError(err_msg() if callable(err_msg) else err_msg)
TimeoutError: Failed to see connector transition to the RUNNING state

The IGNORED tests seems to be mostly kafkatest.tests.streams.streams_upgrade_test.StreamsUpgradeTest.test_upgrade_downgrade_brokers..

nizhikov · 2020-09-23T11:47:30Z

kafkatest.tests.streams.streams_static_membership_test.StreamsStaticMembershipTest.test_rolling_bounces_will_not_trigger_rebalance_under_static_membership
kafkatest.tests.streams.streams_upgrade_test.StreamsUpgradeTest.test_version_probing_upgrade

These two tests are fixed by #9312

AFAIK two others are failing in the trunk too. Is it correct?

nizhikov · 2020-09-23T11:48:31Z

@edenhill

The IGNORED tests seems to be mostly kafkatest.tests.streams.streams_upgrade_test.StreamsUpgradeTest.test_upgrade_downgrade_brokers..

Are they ignored in the trunk?

guozhangwang · 2020-09-23T21:24:54Z

#9312 has been merged it. Could you rebase this PR so I can re-trigger the system test suite?

As for the ignored test cases, they are known issues and we can keep them "ignored" for now.

…values).

nizhikov · 2020-09-23T21:41:10Z

@guozhangwang

Could you rebase this PR

done.

guozhangwang · 2020-09-25T04:17:56Z

https://jenkins.confluent.io/job/system-test-kafka-branch-builder/4188/ triggered

nizhikov · 2020-09-25T16:12:52Z

Hello, @guozhangwang

Can you, please, share the results of the tests run?

guozhangwang · 2020-09-25T16:46:16Z

Only one test failed this time, and honestly I'm not sure if it is related to your PR or not, here you go:


Module: kafkatest.tests.streams.streams_broker_down_resilience_test Class:  StreamsBrokerDownResilience Method: test_streams_resilient_to_broker_down | This test validates that Streams is resilient to a broker     being down longer than specified timeouts in configs | 3 minutes 56.586 seconds
-- | -- | --

[INFO  - 2020-09-25 06:34:38,507 - kafka - bootstrap_servers - lineno:1007]: Bootstrap client port is: 9092
[INFO  - 2020-09-25 06:36:38,847 - runner_client - log - lineno:240]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: FAIL: Never saw output 'Discovered group coordinator' on ubuntu@worker3
Traceback (most recent call last):
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 134, in run
    data = self.run_test()
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/tests/runner_client.py", line 192, in run_test
    return self.test_context.function(self.test)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/tests/kafkatest/tests/streams/streams_broker_down_resilience_test.py", line 68, in test_streams_resilient_to_broker_down
    err_msg=("Never saw output '%s' on " % self.connected_message) + str(processor.node.account))
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/cluster/remoteaccount.py", line 708, in wait_until
    allow_fail=True) == 0, **kwargs)
  File "/home/jenkins/workspace/system-test-kafka-branch-builder/kafka/venv/lib/python2.7/site-packages/ducktape-0.7.9-py2.7.egg/ducktape/utils/util.py", line 41, in wait_until
    raise TimeoutError(err_msg() if callable(err_msg) else err_msg)
TimeoutError: Never saw output 'Discovered group coordinator' on ubuntu@worker3

nizhikov · 2020-09-25T22:25:35Z

Hello, @guozhangwang

I ran a failed test locally and it passes.
Test passed in my previous runs, also.
You can take a look at the report I share in ticket - https://issues.apache.org/jira/secure/attachment/13010366/report.txt
Guess, the test is flaky.

Can you, please, advice me, what is the next step?
For now, this PR based on ducktape master branch.

Do we need a ducktape release for it?
I don't receive much feedback from ducktape maintainers - confluentinc/ducktape#245

[1:15:45]~/work/kafka/tests:[KAFKA-10402]$ ./docker/run_tests.sh

> Configure project :
Building project 'core' with Scala version 2.13.3
Building project 'streams-scala' with Scala version 2.13.3

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.6/userguide/command_line_interface.html#sec:command_line_warnings

BUILD SUCCESSFUL in 2s
119 actionable tasks: 3 executed, 116 up-to-date
docker exec ducker01 bash -c "cd /opt/kafka-dev && ducktape --cluster-file /opt/kafka-dev/tests/docker/build/cluster.json  ./tests/kafkatest/tests/streams/streams_broker_down_resilience_test.py::StreamsBrokerDownResilience.test_streams_resilient_to_broker_down"
[INFO:2020-09-25 15:15:53,329]: starting test run with session id 2020-09-25--001...
[INFO:2020-09-25 15:15:53,329]: running 1 tests...
[INFO:2020-09-25 15:15:53,330]: Triggering test 1 of 1...
[INFO:2020-09-25 15:15:53,360]: RunnerClient: Loading test {'directory': '/opt/kafka-dev/tests/kafkatest/tests/streams', 'file_name': 'streams_broker_down_resilience_test.py', 'cls_name': 'StreamsBrokerDownResilience', 'method_name': 'test_streams_resilient_to_broker_down', 'injected_args': None}
[INFO:2020-09-25 15:15:53,386]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: Setting up...
[INFO:2020-09-25 15:15:59,198]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: Running...
[INFO:2020-09-25 15:18:05,820]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: PASS
[INFO:2020-09-25 15:18:05,821]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: Tearing down...
[INFO:2020-09-25 15:18:18,192]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: Summary: 
[INFO:2020-09-25 15:18:18,194]: RunnerClient: kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down: Data: None
================================================================================
SESSION REPORT (ALL TESTS)
ducktape version: 0.8.0
session_id:       2020-09-25--001
run time:         2 minutes 24.908 seconds
tests run:        1
passed:           1
failed:           0
ignored:          0
================================================================================
test_id:    kafkatest.tests.streams.streams_broker_down_resilience_test.StreamsBrokerDownResilience.test_streams_resilient_to_broker_down
status:     PASS
run time:   2 minutes 24.806 seconds
--------------------------------------------------------------------------------

guozhangwang · 2020-09-27T04:39:21Z

Let me re-trigger the test and if the test passed we can merge it

guozhangwang · 2020-09-27T04:44:20Z

https://jenkins.confluent.io/job/system-test-kafka-branch-builder/4189/

guozhangwang · 2020-09-27T22:02:30Z

The test tests/kafkatest/tests/streams/streams_broker_down_resilience_test.py runs 5 times without failing. I think this is good to go.

nizhikov · 2020-09-27T22:25:24Z

@guozhangwang Great news! Thanks for the help!

guozhangwang · 2020-09-28T01:14:27Z

cc @cmccabe @vvcephei @mimaison for a final look and merge.

mimaison

The changes look fine, thanks for driving this important upgrade

nizhikov · 2020-09-29T15:02:26Z

Hello, @guozhangwang , @mimaison

The only thing we need to have perfect merge is ducktape release that contains python3 fixes.
Can we go with the current PR, which points to ducktape master and works just fine, and switch to the specific release once it becomes available?

edenhill · 2020-09-29T16:21:26Z

We'll want to use a released version of ducktape to get stable tests. I'm working on getting a ducktape release out.

nizhikov · 2020-09-29T18:48:22Z

@edenhill Thanks for the help! Appreciate it

nizhikov · 2020-10-07T13:52:52Z

Hello @guozhangwang , @mimaison

This PR ready to be merged.
Can you, please, do it?

guozhangwang · 2020-10-07T16:41:45Z

Merged to trunk, kudos to @nizhikov for the contribution!

For now, Kafka system tests use python2 which is outdated and not supported. This PR upgrades python to the third version. Reviewers: Ivan Daschinskiy, Mickael Maison <mickael.maison@gmail.com>, Magnus Edenhill <magnus@edenhill.se>, Guozhang Wang <wangguoz@gmail.com>

* commit '2804257fe221f37e5098bd': (67 commits) KAFKA-10562: Properly invoke new StateStoreContext init (apache#9388) MINOR: trivial cleanups, javadoc errors, omitted StateStore tests, etc. (apache#8130) KAFKA-10564: only process non-empty task directories when internally cleaning obsolete state stores (apache#9373) KAFKA-9274: fix incorrect default value for `task.timeout.ms` config (apache#9385) KAFKA-10362: When resuming Streams active task with EOS, the checkpoint file is deleted (apache#9247) KAFKA-10028: Implement write path for feature versioning system (KIP-584) (apache#9001) KAFKA-10402: Upgrade system tests to python3 (apache#9196) KAFKA-10186; Abort transaction with pending data with TransactionAbortedException (apache#9280) MINOR: Remove `TargetVoters` from `DescribeQuorum` (apache#9376) Revert "KAFKA-10469: Resolve logger levels hierarchically (apache#9266)" MINOR: Don't publish javadocs for raft module (apache#9336) KAFKA-9929: fix: add missing default implementations (apache#9321) KAFKA-10188: Prevent SinkTask::preCommit from being called after SinkTask::stop (apache#8910) KAFKA-10338; Support PEM format for SSL key and trust stores (KIP-651) (apache#9345) KAFKA-10527; Voters should not reinitialize as leader in same epoch (apache#9348) MINOR: Refactor unit tests around RocksDBConfigSetter (apache#9358) KAFKA-6733: Printing additional ConsumerRecord fields in DefaultMessageFormatter (apache#9099) MINOR: Annotate test BlockingConnectorTest as integration test (apache#9379) MINOR: Fix failing test due to KAFKA-10556 PR (apache#9372) KAFKA-10439: Connect's Values to parse BigInteger as Decimal with zero scale. (apache#9320) ...

nizhikov changed the title ~~KAFKA-10402: Upgrade system tests to python3~~ [WIP] KAFKA-10402: Upgrade system tests to python3 Aug 18, 2020

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nizhikov changed the title ~~[WIP] KAFKA-10402: Upgrade system tests to python3~~ KAFKA-10402: Upgrade system tests to python3 Aug 24, 2020

edenhill suggested changes Sep 3, 2020

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nizhikov changed the title ~~KAFKA-10402: Upgrade system tests to python3~~ [DO NOT MERGE] KAFKA-10402: Upgrade system tests to python3 Sep 4, 2020

ivandasch approved these changes Sep 4, 2020

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nizhikov force-pushed the KAFKA-10402 branch from a0d86e1 to e82021b Compare September 16, 2020 08:01

nizhikov added 7 commits September 24, 2020 00:29

KAFKA-10402: WIP

931b273

KAFKA-10402: fixing imports.

7271e4d

KAFKA-10402: has_key -> in, iteritems -> iter(items) fixes.

5f5ed71

KAFKA-10402: iteriterms -> iter(dict.items), itervalues -> iter(dict.…

9973345

…values).

KAFKA-10402: basestring -> str

9486c96

KAFKA-10402: syntax fixes.

71218d8

KAFKA-10402: reduce topic_count to run tests on small servers.

f0b68c0

nizhikov added 5 commits September 24, 2020 00:30

KAFKA-10402: code review fixes.

d706fc7

KAFKA-10402: code review fixes.

14712e6

KAFKA-10402: code review fixes.

4bb0f1d

KAFKA-10402: code review fixes.

c31fd72

KAFKA-10402: decreasing topic count to run tests on docker

316dc95

nizhikov force-pushed the KAFKA-10402 branch from 41804c2 to 316dc95 Compare September 23, 2020 21:31

guozhangwang changed the title ~~[DO NOT MERGE] KAFKA-10402: Upgrade system tests to python3~~ KAFKA-10402: Upgrade system tests to python3 Sep 27, 2020

mimaison approved these changes Sep 28, 2020

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nizhikov mentioned this pull request Sep 28, 2020

Release ducktape with the python3 fixes confluentinc/ducktape#245

Closed

nizhikov added 2 commits October 7, 2020 16:26

Merge branch 'trunk' into KAFKA-10402

2db3aa5

KAFKA-10402: ducktape 0.8.0

2e47ec3

guozhangwang merged commit 4e65030 into apache:trunk Oct 7, 2020

chia7712 mentioned this pull request Dec 8, 2020

MINOR: add "flush=True" to all print in system tests #9711

Merged

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nizhikov commented Aug 18, 2020

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guozhangwang commented Sep 16, 2020

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guozhangwang commented Sep 20, 2020

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nizhikov commented Sep 20, 2020 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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nizhikov commented Sep 21, 2020

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nizhikov commented Sep 23, 2020

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nizhikov commented Sep 29, 2020

nizhikov commented Sep 20, 2020 •

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