feat: merge sharded overlays

dfinity · Mar 13, 2024 · 57bd876 · 57bd876
1 parent 06bc28b
commit 57bd876
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Showing 8 changed files with 536 additions and 356 deletions.
diff --git a/rs/config/src/state_manager.rs b/rs/config/src/state_manager.rs
@@ -48,6 +48,9 @@ fn file_backed_memory_allocator_default() -> FlagStatus {
 pub fn lsmt_config_default() -> LsmtConfig {
     LsmtConfig {
         lsmt_status: FlagStatus::Disabled,
-        shard_num_pages: u64::MAX,
+        // 40GiB
+        // DO NOT CHANGE after LSMT is enabled, as it would crash the new replica trying to merge
+        // old data.
+        shard_num_pages: 10 * 1024 * 1024,
     }
 }
diff --git a/rs/replicated_state/src/page_map.rs b/rs/replicated_state/src/page_map.rs
@@ -18,7 +18,7 @@ pub use page_allocator::{
 };
 pub use storage::{
     BaseFileSerialization, MergeCandidate, OverlayFileSerialization, Shard, StorageLayout,
-    StorageSerialization, MAX_NUMBER_OF_FILES,
+    StorageResult, StorageSerialization, MAX_NUMBER_OF_FILES,
 };
 use storage::{OverlayFile, OverlayVersion, Storage};