diff --git a/.clang-tidy b/.clang-tidy
index a6b83c9af009f9c851482d5da4c2820e9aae6aa0..8cf39f2b2e9b3c456e24ff4a7ccdcfb8d9f64942 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -18,7 +18,7 @@
 # The checks defined here will be run and will display by default as warnings.
 Checks: >
     -*, clang-diagnostic-*, -clang-diagnostic-error,
-    clang-analyzer-*, -clang-analyzer-alpha*,
+    clang-analyzer-*,
     google-*, -google-runtime-references, -google-readability-todo,
     modernize-*, -modernize-use-trailing-return-type, -modernize-use-nodiscard,
     performance-*,
diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index f77e1c75b000aed73cfa652d0757595fa13a2427..265fdadd1a31651d3329fd18673bbdbc7f08da88 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -453,9 +453,9 @@ common:
   entityExpiration: -1 # Entity expiration in seconds, CAUTION make sure entityExpiration >= retentionDuration and -1 means never expire
   indexSliceSize: 16 # MB
   threadCoreCoefficient:
-    highPriority: 100 # This parameter specify how many times the number of threads is the number of cores in high priority thread pool
-    middlePriority: 50 # This parameter specify how many times the number of threads is the number of cores in middle priority thread pool
-    lowPriority: 10 # This parameter specify how many times the number of threads is the number of cores in low priority thread pool
+    highPriority: 10 # This parameter specify how many times the number of threads is the number of cores in high priority thread pool
+    middlePriority: 5 # This parameter specify how many times the number of threads is the number of cores in middle priority thread pool
+    lowPriority: 1 # This parameter specify how many times the number of threads is the number of cores in low priority thread pool
   DiskIndex:
     MaxDegree: 56
     SearchListSize: 100
diff --git a/internal/querynodev2/segments/segment_loader.go b/internal/querynodev2/segments/segment_loader.go
index 2c08e01e0db234f0ee14d8038fed848025918888..05c6e344e8fa301c600621f0be8ee9cb9dd42597 100644
--- a/internal/querynodev2/segments/segment_loader.go
+++ b/internal/querynodev2/segments/segment_loader.go
@@ -301,6 +301,9 @@ func (loader *segmentLoader) notifyLoadFinish(segments ...*querypb.SegmentLoadIn
 func (loader *segmentLoader) requestResource(ctx context.Context, infos ...*querypb.SegmentLoadInfo) (LoadResource, int, error) {
 	resource := LoadResource{}
 
+	loader.mut.Lock()
+	defer loader.mut.Unlock()
+
 	memoryUsage := hardware.GetUsedMemoryCount()
 	totalMemory := hardware.GetMemoryCount()
 
@@ -310,9 +313,6 @@ func (loader *segmentLoader) requestResource(ctx context.Context, infos ...*quer
 	}
 	diskCap := paramtable.Get().QueryNodeCfg.DiskCapacityLimit.GetAsUint64()
 
-	loader.mut.Lock()
-	defer loader.mut.Unlock()
-
 	poolCap := runtime.NumCPU() * paramtable.Get().CommonCfg.HighPriorityThreadCoreCoefficient.GetAsInt()
 	if loader.committedResource.WorkNum >= poolCap {
 		return resource, 0, merr.WrapErrServiceRequestLimitExceeded(int32(poolCap))