(dubbo-go) branch develop updated: perf(common): optimize URL key string construction (#3412)

[xuetaoli]

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Alanxtl pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/dubbo-go.git


The following commit(s) were added to refs/heads/develop by this push:
     new 4e0307495 perf(common): optimize URL key string construction (#3412)
4e0307495 is described below

commit 4e030749525195ae4824bd7a88d9a33d33b8b2e5
Author: wm_03 <3134058...@qq.com>
AuthorDate: Sat Jun 13 20:33:52 2026 +0800

    perf(common): optimize URL key string construction (#3412)
---
 common/url.go | 82 +++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 68 insertions(+), 14 deletions(-)

diff --git a/common/url.go b/common/url.go
index 30ac192df..1a2d69a91 100644
--- a/common/url.go
+++ b/common/url.go
@@ -20,7 +20,6 @@ package common
 import (
        "bytes"
        "encoding/base64"
-       "fmt"
        "math"
        "net"
        "net/url"
@@ -431,22 +430,77 @@ func (c *URL) String() string {
 
 // Key gets key
 func (c *URL) Key() string {
-       buildString := fmt.Sprintf(
-               "%s://%s:%s@%s:%s/?interface=%s&group=%s&version=%s",
-               c.Protocol, c.Username, c.Password, c.Ip, c.Port, c.Service(), 
c.GetParam(constant.GroupKey, ""), c.GetParam(constant.VersionKey, ""),
-       )
-       return buildString
+       var buf strings.Builder
+       service := c.Service()
+       group := c.GetParam(constant.GroupKey, "")
+       version := c.GetParam(constant.VersionKey, "")
+
+       size := len(c.Protocol) + len("://") + len(c.Username) +
+               len(":") + len(c.Password) + len("@") +
+               len(c.Ip) + len(":") + len(c.Port) +
+               len("/?interface=") + len(service) +
+               len("&group=") + len(group) +
+               len("&version=") + len(version)
+
+       buf.Grow(size)
+       buf.WriteString(c.Protocol)
+       buf.WriteString("://")
+       buf.WriteString(c.Username)
+       buf.WriteString(":")
+       buf.WriteString(c.Password)
+       buf.WriteString("@")
+       buf.WriteString(c.Ip)
+       buf.WriteString(":")
+       buf.WriteString(c.Port)
+       buf.WriteString("/?interface=")
+       buf.WriteString(service)
+       buf.WriteString("&group=")
+       buf.WriteString(group)
+       buf.WriteString("&version=")
+       buf.WriteString(version)
+
+       return buf.String()
 }
 
 // GetCacheInvokerMapKey get directory cacheInvokerMap key
 func (c *URL) GetCacheInvokerMapKey() string {
-       buildString := fmt.Sprintf(
-               
"%s://%s:%s@%s:%s/?interface=%s&group=%s&version=%s&timestamp=%s&"+constant.MeshClusterIDKey+"=%s",
-               c.Protocol, c.Username, c.Password, c.Ip, c.Port, c.Service(), 
c.GetParam(constant.GroupKey, ""),
-               c.GetParam(constant.VersionKey, ""), c.primitiveTS,
-               c.GetParam(constant.MeshClusterIDKey, ""),
-       )
-       return buildString
+       var buf strings.Builder
+       service := c.Service()
+       group := c.GetParam(constant.GroupKey, "")
+       version := c.GetParam(constant.VersionKey, "")
+       meshClusterID := c.GetParam(constant.MeshClusterIDKey, "")
+
+       size := len(c.Protocol) + len("://") + len(c.Username) +
+               len(":") + len(c.Password) + len("@") +
+               len(c.Ip) + len(":") + len(c.Port) +
+               len("/?interface=") + len(service) +
+               len("&group=") + len(group) +
+               len("&version=") + len(version) +
+               len("&timestamp=") + len(c.primitiveTS) +
+               len("&meshClusterID=") + len(meshClusterID)
+
+       buf.Grow(size)
+       buf.WriteString(c.Protocol)
+       buf.WriteString("://")
+       buf.WriteString(c.Username)
+       buf.WriteString(":")
+       buf.WriteString(c.Password)
+       buf.WriteString("@")
+       buf.WriteString(c.Ip)
+       buf.WriteString(":")
+       buf.WriteString(c.Port)
+       buf.WriteString("/?interface=")
+       buf.WriteString(service)
+       buf.WriteString("&group=")
+       buf.WriteString(group)
+       buf.WriteString("&version=")
+       buf.WriteString(version)
+       buf.WriteString("&timestamp=")
+       buf.WriteString(c.primitiveTS)
+       buf.WriteString("&meshClusterID=")
+       buf.WriteString(meshClusterID)
+
+       return buf.String()
 }
 
 // ServiceKey gets a unique key of a service.
@@ -461,7 +515,7 @@ func ServiceKey(intf string, group string, version string) 
string {
        if intf == "" {
                return ""
        }
-       buf := &bytes.Buffer{}
+       var buf strings.Builder
        if group != "" {
                buf.WriteString(group)
                buf.WriteString("/")