diff --git a/.github/workflows/long_fuzz_tests_btree.yml b/.github/workflows/long_fuzz_tests_btree.yml
new file mode 100644
index 000000000..dbf8006ef
--- /dev/null
+++ b/.github/workflows/long_fuzz_tests_btree.yml
@@ -0,0 +1,30 @@
+name: Run long fuzz tests on Btree
+
+on:
+  push:
+    paths:
+      - 'core/storage/btree.rs'
+  pull_request:
+    paths:
+      - 'core/storage/btree.rs'
+
+jobs:
+  run-long-tests:
+    runs-on: ubuntu-latest
+    timeout-minutes: 0 
+    
+    steps:
+    - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
+      with:
+        prefix-key: "v1-rust" # can be updated if we need to reset caches due to non-trivial change in the dependencies (for example, custom env var were set for single workspace project)
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.10"
+    - name: Build
+      run: cargo build --verbose
+    - name: Run ignored long tests
+      run: cargo test -- --ignored fuzz_long
+      env:
+        RUST_BACKTRACE: 1  
\ No newline at end of file
diff --git a/core/storage/btree.rs b/core/storage/btree.rs
index ee3d8e698..6fe8c655c 100644
--- a/core/storage/btree.rs
+++ b/core/storage/btree.rs
@@ -6121,6 +6121,47 @@ mod tests {
         btree_insert_fuzz_run(64, 32, |rng| (rng.next_u32() % 32 * 1024) as usize);
     }
 
+    #[test]
+    #[ignore]
+    pub fn fuzz_long_btree_insert_fuzz_run_equal_size() {
+        for size in 1..8 {
+            tracing::info!("======= size:{} =======", size);
+            btree_insert_fuzz_run(2, 10_000, |_| size);
+        }
+    }
+
+    #[test]
+    #[ignore]
+    pub fn fuzz_long_btree_index_insert_fuzz_run_equal_size() {
+        btree_index_insert_fuzz_run(2, 10_000);
+    }
+
+    #[test]
+    #[ignore]
+    pub fn fuzz_long_btree_insert_fuzz_run_random() {
+        btree_insert_fuzz_run(128, 10_000, |rng| (rng.next_u32() % 4096) as usize);
+    }
+
+    #[test]
+    #[ignore]
+    pub fn fuzz_long_btree_insert_fuzz_run_small() {
+        btree_insert_fuzz_run(1, 10_000, |rng| (rng.next_u32() % 128) as usize);
+    }
+
+    #[test]
+    #[ignore]
+    pub fn fuzz_long_btree_insert_fuzz_run_big() {
+        btree_insert_fuzz_run(64, 10_000, |rng| {
+            3 * 1024 + (rng.next_u32() % 1024) as usize
+        });
+    }
+
+    #[test]
+    #[ignore]
+    pub fn fuzz_long_btree_insert_fuzz_run_overflow() {
+        btree_insert_fuzz_run(64, 10_000, |rng| (rng.next_u32() % 32 * 1024) as usize);
+    }
+
     #[allow(clippy::arc_with_non_send_sync)]
     fn setup_test_env(database_size: u32) -> (Rc<Pager>, Arc<SpinLock<DatabaseHeader>>) {
         let page_size = 512;