diff --git a/config/config.md b/config/config.md
index 847c18cf08..46d7b440c1 100644
--- a/config/config.md
+++ b/config/config.md
@@ -148,7 +148,7 @@
 | `region_engine.mito.write_cache_ttl` | String | Unset | TTL for write cache. |
 | `region_engine.mito.sst_write_buffer_size` | String | `8MB` | Buffer size for SST writing. |
 | `region_engine.mito.parallel_scan_channel_size` | Integer | `32` | Capacity of the channel to send data from parallel scan tasks to the main task. |
-| `region_engine.mito.max_concurrent_scan_files` | Integer | `128` | Maximum number of SST files to scan concurrently. |
+| `region_engine.mito.max_concurrent_scan_files` | Integer | `384` | Maximum number of SST files to scan concurrently. |
 | `region_engine.mito.allow_stale_entries` | Bool | `false` | Whether to allow stale WAL entries read during replay. |
 | `region_engine.mito.min_compaction_interval` | String | `0m` | Minimum time interval between two compactions.<br/>To align with the old behavior, the default value is 0 (no restrictions). |
 | `region_engine.mito.index` | -- | -- | The options for index in Mito engine. |
@@ -540,7 +540,7 @@
 | `region_engine.mito.write_cache_ttl` | String | Unset | TTL for write cache. |
 | `region_engine.mito.sst_write_buffer_size` | String | `8MB` | Buffer size for SST writing. |
 | `region_engine.mito.parallel_scan_channel_size` | Integer | `32` | Capacity of the channel to send data from parallel scan tasks to the main task. |
-| `region_engine.mito.max_concurrent_scan_files` | Integer | `128` | Maximum number of SST files to scan concurrently. |
+| `region_engine.mito.max_concurrent_scan_files` | Integer | `384` | Maximum number of SST files to scan concurrently. |
 | `region_engine.mito.allow_stale_entries` | Bool | `false` | Whether to allow stale WAL entries read during replay. |
 | `region_engine.mito.min_compaction_interval` | String | `0m` | Minimum time interval between two compactions.<br/>To align with the old behavior, the default value is 0 (no restrictions). |
 | `region_engine.mito.index` | -- | -- | The options for index in Mito engine. |
diff --git a/config/datanode.example.toml b/config/datanode.example.toml
index 5bde0947e4..7e04748059 100644
--- a/config/datanode.example.toml
+++ b/config/datanode.example.toml
@@ -488,7 +488,7 @@ sst_write_buffer_size = "8MB"
 parallel_scan_channel_size = 32
 
 ## Maximum number of SST files to scan concurrently.
-max_concurrent_scan_files = 128
+max_concurrent_scan_files = 384
 
 ## Whether to allow stale WAL entries read during replay.
 allow_stale_entries = false
diff --git a/config/standalone.example.toml b/config/standalone.example.toml
index e93d66a135..22dd8105a9 100644
--- a/config/standalone.example.toml
+++ b/config/standalone.example.toml
@@ -567,7 +567,7 @@ sst_write_buffer_size = "8MB"
 parallel_scan_channel_size = 32
 
 ## Maximum number of SST files to scan concurrently.
-max_concurrent_scan_files = 128
+max_concurrent_scan_files = 384
 
 ## Whether to allow stale WAL entries read during replay.
 allow_stale_entries = false
diff --git a/src/mito2/src/config.rs b/src/mito2/src/config.rs
index 942a2c8dcd..9a88ba96f8 100644
--- a/src/mito2/src/config.rs
+++ b/src/mito2/src/config.rs
@@ -31,7 +31,7 @@ const MULTIPART_UPLOAD_MINIMUM_SIZE: ReadableSize = ReadableSize::mb(5);
 /// Default channel size for parallel scan task.
 pub(crate) const DEFAULT_SCAN_CHANNEL_SIZE: usize = 32;
 /// Default maximum number of SST files to scan concurrently.
-pub(crate) const DEFAULT_MAX_CONCURRENT_SCAN_FILES: usize = 128;
+pub(crate) const DEFAULT_MAX_CONCURRENT_SCAN_FILES: usize = 384;
 
 // Use `1/GLOBAL_WRITE_BUFFER_SIZE_FACTOR` of OS memory as global write buffer size in default mode
 const GLOBAL_WRITE_BUFFER_SIZE_FACTOR: u64 = 8;
@@ -120,7 +120,7 @@ pub struct MitoConfig {
     pub sst_write_buffer_size: ReadableSize,
     /// Capacity of the channel to send data from parallel scan tasks to the main task (default 32).
     pub parallel_scan_channel_size: usize,
-    /// Maximum number of SST files to scan concurrently (default 128).
+    /// Maximum number of SST files to scan concurrently (default 384).
     pub max_concurrent_scan_files: usize,
     /// Whether to allow stale entries read during replay.
     pub allow_stale_entries: bool,
diff --git a/tests-integration/tests/http.rs b/tests-integration/tests/http.rs
index a0a9bd5d3f..4decd7f5f3 100644
--- a/tests-integration/tests/http.rs
+++ b/tests-integration/tests/http.rs
@@ -1430,7 +1430,7 @@ write_cache_path = ""
 write_cache_size = "5GiB"
 sst_write_buffer_size = "8MiB"
 parallel_scan_channel_size = 32
-max_concurrent_scan_files = 128
+max_concurrent_scan_files = 384
 allow_stale_entries = false
 min_compaction_interval = "0s"