Erick Erickson created SOLR-12055:
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             Summary: Enable asynch logging by default
                 Key: SOLR-12055
                 URL: https://issues.apache.org/jira/browse/SOLR-12055
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
          Components: logging
    Affects Versions: 7.2
            Reporter: Erick Erickson
            Assignee: Erick Erickson


When SOLR-7887 is done, switching to asynch logging will be a simple change to 
the config files for log4j2. This will reduce contention and increase 
throughput generally and logging in particular.

There's a discussion of the pros/cons here: 
https://logging.apache.org/log4j/2.0/manual/async.html

An alternative is to put a note in the Ref Guide about how to enable async 
logging.

I guess even if we enable async by default the ref guide still needs a note 
about how to _disable_ it.....



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