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https://issues.apache.org/jira/browse/CASSANDRA-16309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17243061#comment-17243061
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Marcus Eriksson commented on CASSANDRA-16309:
---------------------------------------------
patch: https://github.com/krummas/cassandra/commits/marcuse/tablecountwarnings
cci:
https://app.circleci.com/pipelines/github/krummas/cassandra?branch=marcuse%2Ftablecountwarnings
{code}
cqlsh> create keyspace x with replication = {'class': 'SimpleStrategy',
'replication_factor': 1};
Warnings :
Cluster already contains 45 keyspaces. Having a large number of keyspaces will
significantly slow down schema dependent cluster operations.
cqlsh> create table x.y (id int primary key, x int);
Warnings :
Cluster already contains 200 tables in 45 keyspaces. Having a large number of
tables will significantly slow down schema dependent cluster operations.
{code}
> 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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