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https://issues.apache.org/jira/browse/CASSANDRA-10476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15037607#comment-15037607
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Benjamin Lerer commented on CASSANDRA-10476:
--------------------------------------------
I had a look at the latest runs of the tests. It seems that we still have some
timeouts. {{test_query_isolation}} had only 1 in 42 runs.
{{test_single_partition_deletions}} is the one having the most, but it is also
the test making the biggest amount of queries. Failure happen on different
queries.
As it is some RF3 tests, the randomness cannot come from the way data is
distributed over the nodes.
The coordinator version does not seems to play a role as the problem occurs
when the coordinator is the upgraded node as well as when it is the old node.
So far, I have never been able to reproduce the problem locally. I will try to
look at the variance in response time and see if it leads me somewhere.
> Fix upgrade paging dtest failures on 2.2->3.0 path
> --------------------------------------------------
>
> Key: CASSANDRA-10476
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10476
> Project: Cassandra
> Issue Type: Sub-task
> Reporter: Jim Witschey
> Assignee: Benjamin Lerer
> Fix For: 3.0.1, 3.1
>
>
> EDIT: this list of failures is no longer current; see comments for current
> failures.
> The following upgrade tests for paging features fail or flap on the upgrade
> path from 2.2 to 3.0:
> - {{upgrade_tests/paging_test.py:TestPagingData.static_columns_paging_test}}
> -
> {{upgrade_tests/paging_test.py:TestPagingSize.test_undefined_page_size_default}}
> -
> {{upgrade_tests/paging_test.py:TestPagingSize.test_with_more_results_than_page_size}}
> -
> {{upgrade_tests/paging_test.py:TestPagingWithDeletions.test_failure_threshold_deletions}}
> -
> {{upgrade_tests/paging_test.py:TestPagingWithDeletions.test_multiple_cell_deletions}}
> -
> {{upgrade_tests/paging_test.py:TestPagingWithDeletions.test_single_cell_deletions}}
> -
> {{upgrade_tests/paging_test.py:TestPagingWithDeletions.test_single_row_deletions}}
> -
> {{upgrade_tests/paging_test.py:TestPagingDatasetChanges.test_cell_TTL_expiry_during_paging/}}
> I've grouped them all together because I don't know how to tell if they're
> related; once someone triages them, it may be appropriate to break this out
> into multiple tickets.
> The failures can be found here:
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingData/static_columns_paging_test/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingSize/test_undefined_page_size_default/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/42/testReport/upgrade_tests.paging_test/TestPagingSize/test_with_more_results_than_page_size/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingWithDeletions/test_failure_threshold_deletions/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingWithDeletions/test_multiple_cell_deletions/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingWithDeletions/test_single_cell_deletions/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingWithDeletions/test_single_row_deletions/history/
> http://cassci.datastax.com/view/Upgrades/job/storage_engine_upgrade_dtest-22_tarball-30_HEAD/44/testReport/upgrade_tests.paging_test/TestPagingDatasetChanges/test_cell_TTL_expiry_during_paging/
> Once [this dtest PR|https://github.com/riptano/cassandra-dtest/pull/586] is
> merged, these tests should also run with this upgrade path on normal 3.0
> jobs. Until then, you can run them with the following command:
> {code}
> SKIP=false CASSANDRA_VERSION=binary:2.2.0 UPGRADE_TO=git:cassandra-3.0
> nosetests
> upgrade_tests/paging_test.py:TestPagingData.static_columns_paging_test
> upgrade_tests/paging_test.py:TestPagingSize.test_undefined_page_size_default
> upgrade_tests/paging_test.py:TestPagingSize.test_with_more_results_than_page_size
>
> upgrade_tests/paging_test.py:TestPagingWithDeletions.test_failure_threshold_deletions
>
> upgrade_tests/paging_test.py:TestPagingWithDeletions.test_multiple_cell_deletions
>
> upgrade_tests/paging_test.py:TestPagingWithDeletions.test_single_cell_deletions
>
> upgrade_tests/paging_test.py:TestPagingWithDeletions.test_single_row_deletions
> upgrade_tests/paging_test.py:TestPagingDatasetChanges.test_cell_TTL_expiry_during_paging
> {code}
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