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spring-projects-spring-fram…/spring-core
seungchan 4c6194a2ad Simplify BUFFER_COUNT in ConcurrentLruCache to a constant
The detectNumberOfBuffers() method attempted to scale the read
buffer count based on the number of available processors, but used
Math.min(4, nextPowerOfTwo) which effectively caps the result at 4
regardless of CPU count. For systems with fewer than 3 processors,
the buffer count would be reduced below 4, but this edge case adds
complexity without measurable benefit.

Simplify BUFFER_COUNT to a constant value of 4, removing the
unnecessary CPU-detection logic.

Closes gh-36872

Signed-off-by: seungchan <s24041@gsm.hs.kr>
2026-06-04 09:30:36 +02:00
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