add simple leveled compaction

Signed-off-by: Alex Chi Z <iskyzh@gmail.com>
2024-01-17 15:42:33 +08:00
parent f93a8a1bd8
commit 70b1da4553
5 changed files with 238 additions and 18 deletions
--- a/mini-lsm/src/compact/leveled.rs
+++ b/mini-lsm/src/compact/leveled.rs
@@ -1,7 +1,8 @@
 use crate::lsm_storage::LsmStorageInner;

 pub struct LeveledCompactionTask {
-    upper_level: usize,
+    // if upper_level is `None`, then it is L0 compaction
+    upper_level: Option<usize>,
    upper_level_sst_ids: Vec<usize>,
    lower_level: usize,
    lower_level_sst_ids: Vec<usize>,