Don't promote entries until they have been reused after a longer period

calderajs · Jan 7, 2022 · f8e2c97 · f8e2c97
1 parent 33d828e
commit f8e2c97
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/LRFUExpirer.js b/LRFUExpirer.js
@@ -57,7 +57,7 @@ export class LRFUExpirer {
 			let lru = this.lru[lruIndex]
 			// check to see if it is in the same generation
 			lruPosition = lru.position
-			if ((originalPosition > lruPosition ? lruPosition + this.lruSize : lruPosition) - originalPosition < (this.lruSize >> 3))
+			if ((originalPosition > lruPosition ? lruPosition + this.lruSize : lruPosition) - originalPosition < (this.lruSize >> 2))
 				return // only recently added, don't promote
 			lru[originalPosition & 0x3fffff] = null // remove it, we are going to move/promote it
 			lruIndex++