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https://issues.apache.org/jira/browse/CASSANDRA-10476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14951469#comment-14951469
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Paulo Motta commented on CASSANDRA-10476:
-----------------------------------------
I had a look on
{{upgrade_tests/paging_test.py:TestPagingDatasetChanges.test_cell_TTL_expiry_during_paging}}
while triaging another ticket and found that sometimes the last row of a page
is repeated in the first row of the next page when querying the old node:
{noformat}
dtest: DEBUG: Querying upgraded node
dtest: DEBUG: paging state: &$ff98d0cc-f7a0-4226-9463-8adccb9b40d9�������
dtest: DEBUG: page1 first-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 1, u'mytext': u'008541dc-4646-4d5e-ab94-04728c80be61'}
dtest: DEBUG: page1 last-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 1, u'mytext': u'ff98d0cc-f7a0-4226-9463-8adccb9b40d9'}
dtest: DEBUG: paging state: &$fff61407-39d6-49b7-9a3d-81e64be7107d�������
dtest: DEBUG: page2 first-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 2, u'mytext': u'000f46cc-76a7-4806-9d6a-7d9a3dc7068d'}
dtest: DEBUG: page2 last-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 2, u'mytext': u'fff61407-39d6-49b7-9a3d-81e64be7107d'}
dtest: DEBUG: Querying old node
dtest: DEBUG: paging state: 3$fff25ad2-497e-47da-8ce3-167d857d02de
somevalue��
dtest: DEBUG: page1 first-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 1, u'mytext': u'0047b7f3-6c61-4a21-a562-f4943b0d51aa'}
dtest: DEBUG: page1 last-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 1, u'mytext': u'fff25ad2-497e-47da-8ce3-167d857d02de'}
dtest: DEBUG: paging state: 3$fdd61798-0525-4a75-8e16-1e56bda17e41
somevalue��
dtest: DEBUG: page2 first-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 1, u'mytext': u'fff25ad2-497e-47da-8ce3-167d857d02de'}
dtest: DEBUG: page2 last-row: {u'somevalue': u'foo', u'anothervalue': u'bar',
u'id': 2, u'mytext': u'fdd61798-0525-4a75-8e16-1e56bda17e41'}
{noformat}
> 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
> Fix For: 3.0.0 rc2
>
>
> 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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