Mohammad Aburadeh created CASSANDRA-19047:
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             Summary: Guardrail for the number of tables is not working
                 Key: CASSANDRA-19047
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19047
             Project: Cassandra
          Issue Type: Bug
          Components: Cluster/Schema
            Reporter: Mohammad Aburadeh


Hi, 

We installed Cassandra 4.1.3 and we got the following warning when creating 
more than 150 tables: 
{code:java}
WARN  [Native-Transport-Requests-6] 2023-11-21 18:35:24,585 
CreateTableStatement.java:421 - Cluster already contains 161 tables in 6 
keyspaces. Having a large number of tables will significantly slow down schema 
dependent cluster operations. {code}

I tried to disable "table_count_warn_threshold" by setting its value to "-1" 
but that did not work. 

Then I tried to set the guardrail for number of tables to "-1" to disable the 
above but did not work as well. It seems there is no way to disable checking 
the number of tables. 

Also,  I tried to set "tables_warn_threshold" to a value less than 
"tables_count_warn_threshold", it seems Cassandra always uses 
"tables_count_warn_threshold" when throwing the warning. 

*Two issues in Cassandra 4.1.3:* 
1- There should be a way to disable this feature. Either by setting the 
guardrail parameter to -1 or setting tables_count_warn_threshold to -1. 


2- The guardrail for number of tables should overwrite 
tables_count_warn_threshold because I always get the following warning when I 
try to increase the number of tables: 
{code:java}
WARN  [main] 2023-11-21 18:26:16,988 YamlConfigurationLoader.java:427 - 
[keyspace_count_warn_threshold, table_count_warn_threshold] parameters have 
been deprecated. They have new names and/or value format; For more information, 
please refer to NEWS.txt {code}



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