Reduce disk cache size to 8MiB

2022-08-22 09:18:23 -06:00
parent 63468fc414
commit 04b4a2e4ad
1 changed files with 5 additions and 3 deletions
@@ -20,11 +20,13 @@ pub struct DiskCache<T> {

 impl<T: Disk> DiskCache<T> {
    pub fn new(inner: T) -> Self {
+        // 8 MB cache
+        let size = 8 * 1024 * 1024 / BLOCK_SIZE as usize;
        DiskCache {
            inner,
-            cache: HashMap::new(),
-            order: VecDeque::new(),
-            size: 16 * 1024 * 1024 / BLOCK_SIZE as usize, // 16 MB cache
+            cache: HashMap::with_capacity(size),
+            order: VecDeque::with_capacity(size),
+            size,
        }
    }