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https://issues.apache.org/jira/browse/CASSANDRA-16309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17246194#comment-17246194
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Yifan Cai edited comment on CASSANDRA-16309 at 12/8/20, 11:58 PM:
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The patch looks good overall. 2 nits
 # Check the input value is positive in the 2 setters in {{StorageService}} for 
the thresholds.
 # In the test, we can set the thresholds to the current keyspace/table count 
correspondingly (instead of 5 and 1), in order to test the warning is produced 
at the correct threshold. It would also be nice to have test that sets the 
threshold to "current count + 1"and check the warning is not produced.


was (Author: yifanc):
The patch looks good overall. 2 nits
# Check the input value is positive in the 2 setters in {{StorageService}} for 
the thresholds.
# In the test, we can set the thresholds to the current keyspace/table count 
correspondingly (instead of 5 and 1), in order to test the warning is produced 
at the correct threshold. It would also be nice to have test that sets the 
threshold to {"current count - 1"} and check the warning is not produced. 

> Send back client warnings when creating a new keyspace/table and the existing 
> keyspace/table count is already above a configurable threshold
> --------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-16309
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16309
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Cluster/Schema
>            Reporter: Marcus Eriksson
>            Assignee: Marcus Eriksson
>            Priority: Normal
>             Fix For: 4.0-beta4
>
>
> We should warn clients when there are dangerously many keyspaces/tables in 
> the cluster



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