Gus Heck created SOLR-15559:
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Summary: Avoid object creation in splitSmart()
Key: SOLR-15559
URL: https://issues.apache.org/jira/browse/SOLR-15559
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Affects Versions: 8.9, main (9.0)
Reporter: Gus Heck
Assignee: Gus Heck
While reading code for other things I noticed a small inefficiency in the
splitSmart(String, String, boolean) method where it's creating new
StringBuilder objects unnecessarily inside a loop. For fun I fixed this and JMH
bench marked the fix to see what it was worth. The answer is about 30% relative
improvement, but only a couple microseconds absolute. Not exactly exciting
since I don't think there's anywhere that really loops hard on this, but having
it coded and tests passing and improvements measured, might as well put it in.
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