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From "Jeff Jirsa (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-14416) Remove string formatting lines from hot path
Date Wed, 25 Apr 2018 06:14:00 GMT
Jeff Jirsa created CASSANDRA-14416:

             Summary: Remove string formatting lines from hot path
                 Key: CASSANDRA-14416
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Jeff Jirsa
            Assignee: Jeff Jirsa
             Fix For: 3.11.x, 4.x

In the BufferPool, we have a {{NoSpamLogger}} that gets called in some conditions (like when
we're at or near the cap in a given pool), which has some string formatting on it. In situations
where that log line is invoked, that string formatting gets called before the rate limiting,
which becomes expensive. 

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