diff --git a/packages/backend/native-utils/Cargo.lock b/packages/backend/native-utils/Cargo.lock
index f3a3a99e20..f4d5ca4dfc 100644
--- a/packages/backend/native-utils/Cargo.lock
+++ b/packages/backend/native-utils/Cargo.lock
@@ -2466,7 +2466,6 @@ dependencies = [
  "serde",
  "serde_yaml",
  "thiserror",
- "tikv-jemallocator",
  "tokio",
  "urlencoding",
 ]
@@ -3252,26 +3251,6 @@ dependencies = [
  "once_cell",
 ]
 
-[[package]]
-name = "tikv-jemalloc-sys"
-version = "0.5.4+5.3.0-patched"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9402443cb8fd499b6f327e40565234ff34dbda27460c5b47db0db77443dd85d1"
-dependencies = [
- "cc",
- "libc",
-]
-
-[[package]]
-name = "tikv-jemallocator"
-version = "0.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "965fe0c26be5c56c94e38ba547249074803efd52adfb66de62107d95aab3eaca"
-dependencies = [
- "libc",
- "tikv-jemalloc-sys",
-]
-
 [[package]]
 name = "time"
 version = "0.1.45"
diff --git a/packages/backend/native-utils/scylla-migration/Cargo.toml b/packages/backend/native-utils/scylla-migration/Cargo.toml
index 85a11474c5..eaa0b74be3 100644
--- a/packages/backend/native-utils/scylla-migration/Cargo.toml
+++ b/packages/backend/native-utils/scylla-migration/Cargo.toml
@@ -18,6 +18,3 @@ serde_yaml = "0.9.22"
 thiserror = "1.0.43"
 tokio = { version = "1.29.1", features = ["full"] }
 urlencoding = "2.1.3"
-
-[target.'cfg(not(target_env = "msvc"))'.dependencies]
-tikv-jemallocator = "0.5.4"
diff --git a/packages/backend/native-utils/scylla-migration/src/main.rs b/packages/backend/native-utils/scylla-migration/src/main.rs
index d6e6f3dfb8..9b21f0515c 100644
--- a/packages/backend/native-utils/scylla-migration/src/main.rs
+++ b/packages/backend/native-utils/scylla-migration/src/main.rs
@@ -1,10 +1,3 @@
-#[cfg(not(target_env = "msvc"))]
-use tikv_jemallocator::Jemalloc;
-
-#[cfg(not(target_env = "msvc"))]
-#[global_allocator]
-static GLOBAL: Jemalloc = Jemalloc;
-
 use scylla_migration::{cli::run_cli, error::Error};
 
 #[tokio::main]
diff --git a/packages/backend/native-utils/scylla-migration/src/setup.rs b/packages/backend/native-utils/scylla-migration/src/setup.rs
index 9a5c55b323..0212bc0419 100644
--- a/packages/backend/native-utils/scylla-migration/src/setup.rs
+++ b/packages/backend/native-utils/scylla-migration/src/setup.rs
@@ -214,6 +214,11 @@ impl Initializer {
                 });
                 tasks.push(handler);
             }
+
+            if tasks.len() > 1000 {
+                future::join_all(tasks).await;
+                tasks = Vec::new()
+            }
         }
 
         let mut reactions = note_reaction::Entity::find()
@@ -232,6 +237,11 @@ impl Initializer {
                 });
                 tasks.push(handler);
             }
+
+            if tasks.len() > 1000 {
+                future::join_all(tasks).await;
+                tasks = Vec::new()
+            }
         }
 
         let mut votes = poll_vote::Entity::find()
@@ -256,6 +266,11 @@ impl Initializer {
                 });
                 tasks.push(handler);
             }
+
+            if tasks.len() > 1000 {
+                future::join_all(tasks).await;
+                tasks = Vec::new()
+            }
         }
 
         let mut notifications = notification::Entity::find()
@@ -279,9 +294,12 @@ impl Initializer {
                 });
                 tasks.push(handler);
             }
-        }
 
-        future::join_all(tasks).await;
+            if tasks.len() > 1000 {
+                future::join_all(tasks).await;
+                tasks = Vec::new()
+            }
+        }
 
         Ok(())
     }