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https://issues.apache.org/jira/browse/CASSANDRA-15833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17204326#comment-17204326
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David Capwell commented on CASSANDRA-15833:
-------------------------------------------

Looks like this broke a unit test 
(https://ci-cassandra.apache.org/job/Cassandra-trunk/38/testReport/org.apache.cassandra.gms/GossiperTest/testHaveVersion3Nodes/history/)
  and read repair python dtest 
(https://ci-cassandra.apache.org/job/Cassandra-trunk/38/testReport/dtest.read_repair_test/TestReadRepair/test_alter_rf_and_run_read_repair/history/
 and 
https://ci-cassandra.apache.org/job/Cassandra-trunk/38/testReport/dtest-offheap.read_repair_test/TestReadRepairGuarantees/test_atomic_writes_blocking_/history/).

> Unresolvable false digest mismatch during upgrade due to CASSANDRA-10657
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15833
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15833
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Consistency/Repair
>            Reporter: Jacek Lewandowski
>            Assignee: Jacek Lewandowski
>            Priority: Normal
>             Fix For: 3.11.x, 4.0-beta
>
>         Attachments: CASSANDRA-15833-3.11.patch, CASSANDRA-15833-4.0.patch
>
>
> CASSANDRA-10657 introduced changes in how the ColumnFilter is interpreted. 
> This results in digest mismatch when querying incomplete set of columns from 
> a table with consistency that requires reaching instances running pre 
> CASSANDRA-10657 from nodes that include CASSANDRA-10657 (it was introduced in 
> Cassandra 3.4). 
> The fix is to bring back the previous behaviour until there are no instances 
> running pre CASSANDRA-10657 version. 



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