Francisco Guerrero created CASSANDRA-17226:
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             Summary: Consistency Level Considered Connectivity Checker
                 Key: CASSANDRA-17226
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17226
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Francisco Guerrero
            Assignee: Francisco Guerrero


The connectivity checker runs during the startup of Cassandra, more 
specifically right after {{CassandraDaemon#setup}}. In general, it blocks for a 
certain period of time in order to establish connections with the peers in the 
cluster. The blocking is a best-effort one, meaning that the checker allows 
Cassandra to continue booting even if the criteria is not met.

The Consistency Level Considered Connectivity Checker prioritizes the peers to 
connect, while still satisfying the desired Consistency Level. The goal of the 
new connectivity checker is to solve the read unavailable/timeout.





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