nolock (#49)

bitfaster · web-flow · commit 4b2f3a07be5d · 2020-06-30T15:47:57.000-07:00
diff --git a/BitFaster.Caching/Lru/TemplateConcurrentLru.cs b/BitFaster.Caching/Lru/TemplateConcurrentLru.cs
@@ -84,7 +84,8 @@ public TemplateConcurrentLru(
             this.hitCounter = hitCounter;
         }
 
-        public int Count => this.dictionary.Count;
+        // No lock count: https://arbel.net/2013/02/03/best-practices-for-using-concurrentdictionary/
+        public int Count => this.dictionary.Skip(0).Count();
 
         public int HotCount => this.hotCount;
 

Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,8 @@ public TemplateConcurrentLru(`
`84`	`84`	`this.hitCounter = hitCounter;`
`85`	`85`	`}`
`86`	`86`
`87`		`- public int Count => this.dictionary.Count;`
	`87`	`+ // No lock count: https://arbel.net/2013/02/03/best-practices-for-using-concurrentdictionary/`
	`88`	`+ public int Count => this.dictionary.Skip(0).Count();`
`88`	`89`
`89`	`90`	`public int HotCount => this.hotCount;`
`90`	`91`