Object Cache: caches parsed Manifests and ManifestLists for performance

crates/catalog/glue/src/catalog.rs

@@ -381,14 +381,12 @@ impl Catalog for GlueCatalog {
 
         builder.send().await.map_err(from_aws_sdk_error)?;
 
-        let table = Table::builder()
+        Table::builder()
             .file_io(self.file_io())
             .metadata_location(metadata_location)
             .metadata(metadata)
             .identifier(TableIdent::new(NamespaceIdent::new(db_name), table_name))
-            .build();
-
-        Ok(table)
+            .build()
     }
 
     /// Loads a table from the Glue Catalog and constructs a `Table` object
@@ -432,17 +430,15 @@ impl Catalog for GlueCatalog {
                 let metadata_content = input_file.read().await?;
                 let metadata = serde_json::from_slice::<TableMetadata>(&metadata_content)?;
 
-                let table = Table::builder()
+                Table::builder()
                     .file_io(self.file_io())
                     .metadata_location(metadata_location)
                     .metadata(metadata)
                     .identifier(TableIdent::new(
                         NamespaceIdent::new(db_name),
                         table_name.to_owned(),
                     ))
-                    .build();
-
-                Ok(table)
+                    .build()
             }
         }
     }

crates/catalog/hms/src/catalog.rs

@@ -369,14 +369,12 @@ impl Catalog for HmsCatalog {
             .await
             .map_err(from_thrift_error)?;
 
-        let table = Table::builder()
+        Table::builder()
             .file_io(self.file_io())
             .metadata_location(metadata_location)
             .metadata(metadata)
             .identifier(TableIdent::new(NamespaceIdent::new(db_name), table_name))
-            .build();
-
-        Ok(table)
+            .build()
     }
 
     /// Loads a table from the Hive Metastore and constructs a `Table` object
@@ -407,17 +405,15 @@ impl Catalog for HmsCatalog {
         let metadata_content = self.file_io.new_input(&metadata_location)?.read().await?;
         let metadata = serde_json::from_slice::<TableMetadata>(&metadata_content)?;
 
-        let table = Table::builder()
+        Table::builder()
             .file_io(self.file_io())
             .metadata_location(metadata_location)
             .metadata(metadata)
             .identifier(TableIdent::new(
                 NamespaceIdent::new(db_name),
                 table.name.clone(),
             ))
-            .build();
-
-        Ok(table)
+            .build()
     }
 
     /// Asynchronously drops a table from the database.

crates/catalog/memory/src/catalog.rs

@@ -209,14 +209,12 @@ impl Catalog for MemoryCatalog {
 
         root_namespace_state.insert_new_table(&table_ident, metadata_location.clone())?;
 
-        let table = Table::builder()
+        Table::builder()
             .file_io(self.file_io.clone())
             .metadata_location(metadata_location)
             .metadata(metadata)
             .identifier(table_ident)
-            .build();
-
-        Ok(table)
+            .build()
     }
 
     /// Load table from the catalog.
@@ -227,14 +225,13 @@ impl Catalog for MemoryCatalog {
         let input_file = self.file_io.new_input(metadata_location)?;
         let metadata_content = input_file.read().await?;
         let metadata = serde_json::from_slice::<TableMetadata>(&metadata_content)?;
-        let table = Table::builder()
+
+        Table::builder()
             .file_io(self.file_io.clone())
             .metadata_location(metadata_location.clone())
             .metadata(metadata)
             .identifier(table_ident.clone())
-            .build();
-
-        Ok(table)
+            .build()
     }
 
     /// Drop a table from the catalog.

crates/catalog/rest/src/catalog.rs

@@ -516,7 +516,7 @@ impl Catalog for RestCatalog {
             .load_file_io(resp.metadata_location.as_deref(), resp.config)
             .await?;
 
-        let table = Table::builder()
+        Table::builder()
             .identifier(table_ident)
             .file_io(file_io)
             .metadata(resp.metadata)
@@ -526,9 +526,7 @@ impl Catalog for RestCatalog {
                     "Metadata location missing in create table response!",
                 )
             })?)
-            .build();
-
-        Ok(table)
+            .build()
     }
 
     /// Load table from the catalog.
@@ -560,9 +558,9 @@ impl Catalog for RestCatalog {
             .metadata(resp.metadata);
 
         if let Some(metadata_location) = resp.metadata_location {
-            Ok(table_builder.metadata_location(metadata_location).build())
+            table_builder.metadata_location(metadata_location).build()
         } else {
-            Ok(table_builder.build())
+            table_builder.build()
         }
     }
 
@@ -661,12 +659,12 @@ impl Catalog for RestCatalog {
         let file_io = self
             .load_file_io(Some(&resp.metadata_location), None)
             .await?;
-        Ok(Table::builder()
+        Table::builder()
             .identifier(commit.identifier().clone())
             .file_io(file_io)
             .metadata(resp.metadata)
             .metadata_location(resp.metadata_location)
-            .build())
+            .build()
     }
 }
 
@@ -1661,6 +1659,7 @@ mod tests {
                 .identifier(TableIdent::from_strs(["ns1", "test1"]).unwrap())
                 .file_io(FileIO::from_path("/tmp").unwrap().build().unwrap())
                 .build()
+                .unwrap()
         };
 
         let table = Transaction::new(&table1)
@@ -1785,6 +1784,7 @@ mod tests {
                 .identifier(TableIdent::from_strs(["ns1", "test1"]).unwrap())
                 .file_io(FileIO::from_path("/tmp").unwrap().build().unwrap())
                 .build()
+                .unwrap()
         };
 
         let table_result = Transaction::new(&table1)

crates/iceberg/Cargo.toml

@@ -60,6 +60,7 @@ derive_builder = { workspace = true }
 fnv = { workspace = true }
 futures = { workspace = true }
 itertools = { workspace = true }
+moka = { version = "0.12.8", features = ["future"] }
 murmur3 = { workspace = true }
 once_cell = { workspace = true }
 opendal = { workspace = true }

crates/iceberg/src/io/mod.rs

@@ -78,8 +78,10 @@ use storage_memory::*;
 mod storage_s3;
 #[cfg(feature = "storage-s3")]
 pub use storage_s3::*;
+pub(crate) mod object_cache;
 #[cfg(feature = "storage-fs")]
 mod storage_fs;
+
 #[cfg(feature = "storage-fs")]
 use storage_fs::*;
 #[cfg(feature = "storage-gcs")]