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https://issues.apache.org/jira/browse/CASSANDRA-16747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17506475#comment-17506475
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Brandon Williams commented on CASSANDRA-16747:
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LGTM,
[circle|https://app.circleci.com/pipelines/github/driftx/cassandra/386/workflows/d094ee5b-f406-47d4-85fd-91fa5e2f91b8]
started.
> Block/Warn creating keyspace with RF > Cassandra node count
> -----------------------------------------------------------
>
> Key: CASSANDRA-16747
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16747
> Project: Cassandra
> Issue Type: Improvement
> Components: Cluster/Schema
> Reporter: Tri Nguyen
> Assignee: Maciej Sokol
> Priority: Normal
> Labels: lhf
> Fix For: 3.11.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
>
> Using Cassandra 3.11.10, 3 nodes cluster Cassandra allows to create a
> keyspace having `replication_factor` greater than the number of available
> nodes.
>
> {code:java}
> -- successfully created Keyspace with RF = 3 > node count = 3
> CREATE KEYSPACE mykeyspace WITH replication = {'class': 'SimpleStrategy',
> 'replication_factor': 5 };
> {code}
> From [this
> discussion|https://community.datastax.com/questions/11623/create-keyspace-with-rf-physical-cassandra-node-co.html]
> on community.datastax.com. It appears that this would lead to serious
> operational problems.
> Would it be OK to improve the `CREATE KEYSPACE` to block (or display warning)
> when attempting to set `replication_factor` > node count?
>
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