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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-14515) Short read protection in presence of almost-purgeable range tombstones may cause permanent data loss
Date Tue, 19 Jun 2018 23:30:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517629#comment-16517629
] 

Aleksey Yeschenko commented on CASSANDRA-14515:
-----------------------------------------------

[3.11 branch|https://github.com/iamaleksey/cassandra/commits/14515-3.11] and [4.0 branch|https://github.com/iamaleksey/cassandra/commits/14515-4.0].

CI [here|https://circleci.com/workflow-run/98c78715-3725-422f-99c3-81fa4e199666], [here|https://circleci.com/workflow-run/ead96ef6-1d10-4d39-af0b-16a656add658],
and [here|https://circleci.com/workflow-run/cce784b8-3131-48b5-aa0d-a3be98cc9741].

> Short read protection in presence of almost-purgeable range tombstones may cause permanent
data loss
> ----------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14515
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14515
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>            Priority: Blocker
>             Fix For: 3.0.x, 3.11.x, 4.0.x
>
>
> Because read responses don't necessarily close their open RT bounds, it's possible to
lose data during short read protection, if a closing bound is compacted away between two adjacent
reads from a node.



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