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https://issues.apache.org/jira/browse/CASSANDRA-17551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17523910#comment-17523910
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Ekaterina Dimitrova commented on CASSANDRA-17551:
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Disable guardrail by using null was already handled by [~adelapena] in
CASSANDRA-17150. Though 0 is prohibited value there.
So we need to take care of 0, wondering whether to allow it for disable
collections or to create a new guardrail for that.
[~adelapena] what do you think?
> 0KiB should be used to prohibit collections and not to disable the guardrails
> collection_size_warn_threshold and collection_size_fail_threshold
> -----------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17551
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17551
> Project: Cassandra
> Issue Type: Bug
> Components: Feature/Guardrails
> Reporter: Ekaterina Dimitrova
> Assignee: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 4.x
>
>
> # The two thresholds default to 0KiB to disable.
> # collection_size_warn_threshold: 0KiB
> # collection_size_fail_threshold: 0KiB
> 0KiB should be used to prohibit collections and not to disable the guardrail.
> Disabled should be null as we moved to that as part of CASSANDRA-17431 while
> investigating other config corner cases.
> Old config which had -1 for disable will be converted internally to null with
> the new config types and new config should use null for disable. Of course,
> disabling 0 as a non-valid value is a different story which should be handled
> on per-case basis.
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