diff --git a/src/query/storages/fuse/src/metrics/fuse_metrics.rs b/src/query/storages/fuse/src/metrics/fuse_metrics.rs
index 2f772fec64fc9..2ec2ab9e0d15f 100644
--- a/src/query/storages/fuse/src/metrics/fuse_metrics.rs
+++ b/src/query/storages/fuse/src/metrics/fuse_metrics.rs
@@ -61,6 +61,8 @@ lazy_static! {
         register_counter(key!("compact_block_read_bytes"));
     static ref COMPACT_BLOCK_READ_MILLISECONDS: Histogram =
         register_histogram_in_milliseconds(key!("compact_block_read_milliseconds"));
+    static ref COMPACT_BLOCK_BUILD_TASK_MILLISECONDS: Histogram =
+        register_histogram_in_milliseconds(key!("compact_block_build_task_milliseconds"));
     static ref SEGMENTS_RANGE_PRUNING_BEFORE: Counter =
         register_counter(key!("segments_range_pruning_before"));
     static ref SEGMENTS_RANGE_PRUNING_AFTER: Counter =
@@ -236,6 +238,10 @@ pub fn metrics_inc_compact_block_read_milliseconds(c: u64) {
     COMPACT_BLOCK_READ_MILLISECONDS.observe(c as f64);
 }
 
+pub fn metrics_inc_compact_block_build_task_milliseconds(c: u64) {
+    COMPACT_BLOCK_BUILD_TASK_MILLISECONDS.observe(c as f64);
+}
+
 /// Pruning metrics.
 pub fn metrics_inc_segments_range_pruning_before(c: u64) {
     SEGMENTS_RANGE_PRUNING_BEFORE.inc_by(c);
diff --git a/src/query/storages/fuse/src/operations/mutation/compact/block_compact_mutator.rs b/src/query/storages/fuse/src/operations/mutation/compact/block_compact_mutator.rs
index 3e2eb2a8b3a51..b05f3044c7152 100644
--- a/src/query/storages/fuse/src/operations/mutation/compact/block_compact_mutator.rs
+++ b/src/query/storages/fuse/src/operations/mutation/compact/block_compact_mutator.rs
@@ -16,12 +16,11 @@ use std::collections::HashSet;
 use std::collections::VecDeque;
 use std::sync::Arc;
 use std::time::Instant;
-use std::time::SystemTime;
 use std::vec;
 
 use common_base::base::tokio::sync::OwnedSemaphorePermit;
 use common_base::base::tokio::sync::Semaphore;
-use common_base::runtime::GlobalIORuntime;
+use common_base::runtime::Runtime;
 use common_base::runtime::TrySpawn;
 use common_catalog::plan::PartInfoPtr;
 use common_catalog::plan::Partitions;
@@ -36,6 +35,7 @@ use storages_common_table_meta::meta::CompactSegmentInfo;
 use storages_common_table_meta::meta::Statistics;
 
 use crate::io::SegmentsIO;
+use crate::metrics::metrics_inc_compact_block_build_task_milliseconds;
 use crate::operations::common::BlockMetaIndex;
 use crate::operations::mutation::compact::compact_part::CompactExtraInfo;
 use crate::operations::mutation::compact::compact_part::CompactLazyPartInfo;
@@ -216,23 +216,14 @@ impl BlockCompactMutator {
         thresholds: BlockThresholds,
         mut lazy_parts: Vec<CompactLazyPartInfo>,
     ) -> Result<Vec<PartInfoPtr>> {
-        let start = SystemTime::now();
-        let max_concurrency = {
-            let max_io_requests = ctx.get_settings().get_max_storage_io_requests()? as usize;
-            // Prevent us from miss-configured max_storage_io_requests setting, e.g. 0
-            let v = std::cmp::max(max_io_requests, 10);
-            if v > max_io_requests {
-                log::warn!(
-                    "max_storage_io_requests setting is too low {}, increased to {}",
-                    max_io_requests,
-                    v
-                )
-            }
-            v
-        };
+        let start = Instant::now();
+        let max_threads = ctx.get_settings().get_max_threads()? as usize;
+        let max_concurrency = std::cmp::max(max_threads * 2, 10);
 
-        // Pruning runtime.
-        let runtime = GlobalIORuntime::instance();
+        let runtime = Arc::new(Runtime::with_worker_threads(
+            max_threads,
+            Some("build-compact-worker".to_owned()),
+        )?);
         let semaphore = Arc::new(Semaphore::new(max_concurrency));
 
         let mut remain = lazy_parts.len() % max_concurrency;
@@ -249,6 +240,7 @@ impl BlockCompactMutator {
 
             let batch = lazy_parts.drain(0..batch_size).collect::<Vec<_>>();
             works.push(runtime.spawn(async_backtrace::location!().frame({
+                let runtime = runtime.clone();
                 async move {
                     let mut res = vec![];
                     for lazy_part in batch {
@@ -258,6 +250,7 @@ impl BlockCompactMutator {
                             .build_tasks(
                                 lazy_part.segment_indices,
                                 lazy_part.compact_segments,
+                                runtime.clone(),
                                 semaphore.clone(),
                             )
                             .await?;
@@ -279,16 +272,17 @@ impl BlockCompactMutator {
                     let res = worker?;
                     parts.extend(res);
                 }
-                let elapsed_time = SystemTime::now().duration_since(start).unwrap();
+                let elapsed_time = start.elapsed().as_millis() as u64;
                 // Status.
                 {
                     let status = format!(
                         "compact: end to build compact parts:{}, cost:{} ms",
                         parts.len(),
-                        elapsed_time.as_millis(),
+                        elapsed_time,
                     );
                     ctx.set_status_info(&status);
                     log::info!("{}", status);
+                    metrics_inc_compact_block_build_task_milliseconds(elapsed_time);
                 }
                 Ok(parts)
             }
@@ -492,6 +486,7 @@ impl CompactTaskBuilder {
         &mut self,
         segment_indices: Vec<usize>,
         compact_segments: Vec<Arc<CompactSegmentInfo>>,
+        runtime: Arc<Runtime>,
         semaphore: Arc<Semaphore>,
     ) -> Result<Vec<PartInfoPtr>> {
         let mut block_idx = 0;
@@ -513,7 +508,6 @@ impl CompactTaskBuilder {
             })
         });
 
-        let runtime = GlobalIORuntime::instance();
         let join_handlers = runtime
             .try_spawn_batch_with_owned_semaphore(semaphore.clone(), tasks)
             .await?;