docs: add recovery mode for leveled compaction (#86)

Signed-off-by: Alex Chi <iskyzh@gmail.com>
2024-07-02 20:36:07 -04:00
parent 77e15efad4
commit dd333ca5a7
3 changed files with 28 additions and 20 deletions
--- a/mini-lsm/src/lsm_storage.rs
+++ b/mini-lsm/src/lsm_storage.rs
@@ -395,16 +395,18 @@ impl LsmStorageInner {

            next_sst_id += 1;

-            // Sort SSTs on each level
-            for (_id, ssts) in &mut state.levels {
-                ssts.sort_by(|x, y| {
-                    state
-                        .sstables
-                        .get(x)
-                        .unwrap()
-                        .first_key()
-                        .cmp(state.sstables.get(y).unwrap().first_key())
-                })
+            // Sort SSTs on each level (only for leveled compaction)
+            if let CompactionController::Leveled(_) = &compaction_controller {
+                for (_id, ssts) in &mut state.levels {
+                    ssts.sort_by(|x, y| {
+                        state
+                            .sstables
+                            .get(x)
+                            .unwrap()
+                            .first_key()
+                            .cmp(state.sstables.get(y).unwrap().first_key())
+                    })
+                }
            }

            // recover memtables