分块传输内容可以写入到内存中/分块传输内容可以判断最大尺寸

internal/caches/errors.go

@@ -6,9 +6,10 @@ import "errors"
 
 // 常用的几个错误
 var (
-	ErrNotFound      = errors.New("cache not found")
-	ErrFileIsWriting = errors.New("the file is writing")
-	ErrInvalidRange  = errors.New("invalid range")
+	ErrNotFound       = errors.New("cache not found")
+	ErrFileIsWriting  = errors.New("the file is writing")
+	ErrInvalidRange   = errors.New("invalid range")
+	ErrEntityTooLarge = errors.New("entity too large")
 )
 
 // CapacityError 容量错误
@@ -30,7 +31,7 @@ func CanIgnoreErr(err error) bool {
 	if err == nil {
 		return true
 	}
-	if err == ErrFileIsWriting {
+	if err == ErrFileIsWriting || err == ErrEntityTooLarge {
 		return true
 	}
 	_, ok := err.(*CapacityError)