Object pooling is typically not a common pattern in Java these days outside of HFT stuff, and even in those cases it’s often not performance, but determinism th

Object pooling is typically not a common pattern in Java these days outside of HFT stuff, and even in those cases it’s often not performance, but determinism that’s the issue. (Connection pooling is still common as with other expensive objects, just not plain object pooling.) Java’s garbage collectors are excellent if you cut with the grain.