refine proxy to querynode heartbeat interval (#26426)

Signed-off-by: Wei Liu <wei.liu@zilliz.com>

configs/milvus.yaml

@@ -176,7 +176,7 @@ rootCoord:
 # Related configuration of proxy, used to validate client requests and reduce the returned results.
 proxy:
   timeTickInterval: 200 # ms, the interval that proxy synchronize the time tick
-  healthCheckTimetout: 500 # ms, the interval that to do component healthy check
+  healthCheckTimetout: 3000 # ms, the interval that to do component healthy check
   msgStream:
     timeTick:
       bufSize: 512

pkg/util/paramtable/component_param.go

@@ -904,7 +904,7 @@ func (p *proxyConfig) init(base *BaseTable) {
 	p.HealthCheckTimetout = ParamItem{
 		Key:          "proxy.healthCheckTimetout",
 		Version:      "2.3.0",
-		DefaultValue: "1000",
+		DefaultValue: "3000",
 		PanicIfEmpty: true,
 		Doc:          "ms, the interval that to do component healthy check",
 		Export:       true,

pkg/util/paramtable/component_param_test.go

@@ -166,6 +166,7 @@ func TestComponentParam(t *testing.T) {
 		assert.Equal(t, Params.CheckQueryNodeHealthInterval.GetAsInt(), 1000)
 		assert.Equal(t, Params.CostMetricsExpireTime.GetAsInt(), 1000)
 		assert.Equal(t, Params.RetryTimesOnReplica.GetAsInt(), 2)
+		assert.Equal(t, Params.HealthCheckTimetout.GetAsInt64(), 3000)
 	})
 
 	// t.Run("test proxyConfig panic", func(t *testing.T) {