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https://issues.apache.org/jira/browse/CASSANDRA-9171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14528956#comment-14528956
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Tyler Hobbs commented on CASSANDRA-9171:
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That's the expected behavior for 2.1, because the replicas will simply log an 
error and drop the request when the tombstone threshold is exceeded.  In 3.0 it 
will eventually produce a {{ReadFailure}} error, but we need the [3.0 version 
of the python driver|https://github.com/datastax/python-driver/pull/265/files] 
to support that error client-side, so in the meantime, it will still result in 
a {{ReadTimeout}}.

> Add deletions to paging dtests
> ------------------------------
>
>                 Key: CASSANDRA-9171
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9171
>             Project: Cassandra
>          Issue Type: Test
>          Components: Tests
>            Reporter: Tyler Hobbs
>            Assignee: Alan Boudreault
>              Labels: retrospective_generated
>
> Deletions can easily impact paging (see CASSANDRA-8490 for an example).  We 
> should improve the paging dtests to include various kinds of deletions: 
> partition-level, row-level, and cell-level.  The tests should also exercise 
> deleting enough contiguous partitions/rows/levels to fill an entire page.
> Assigning to [~rhatch] for now since he created the original paging tests, 
> but I can reassign this if needed.



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