From d6d298327117385a51a51a3a4d65f96961006964 Mon Sep 17 00:00:00 2001
From: Hai Huang <huang195@users.noreply.github.com>
Date: Mon, 3 Jun 2019 14:30:40 -0400
Subject: [PATCH] Tunable batch report behavior (#14301)

* added helm values to tune batch reporting behavior of telemetry data

* fix space formatting issue

* update dependencies from istio/api

* fix extra line

* move comment inside of {{- if }}

* move parameters back to top level values.yaml

* fix name of helm parameters

* fix comments

* fix comment
---
 go.mod                                        |   2 +-
 go.sum                                        |   7 +-
 .../helm/istio/charts/mixer/values.yaml       |  10 +
 .../helm/istio/templates/configmap.yaml       |  10 +
 install/kubernetes/helm/istio/values.yaml     |   2 +-
 pilot/pkg/networking/plugin/mixer/mixer.go    |   8 +-
 .../istio.io/api/mesh/v1alpha1/config.pb.go   | 351 +++++++++++++-----
 .../istio.io/api/mesh/v1alpha1/config.proto   |  17 +-
 .../mesh/v1alpha1/istio.mesh.v1alpha1.pb.html |  38 +-
 .../istio.io/api/mesh/v1alpha1/network.pb.go  |   4 +
 .../istio.io/api/mesh/v1alpha1/network.proto  |   4 +
 .../v1alpha3/destination_rule.pb.go           |   3 +-
 .../v1alpha3/destination_rule.pb.html         |   3 +-
 .../v1alpha3/destination_rule.proto           |   3 +-
 vendor/modules.txt                            |   2 +-
 15 files changed, 347 insertions(+), 117 deletions(-)

diff --git a/go.mod b/go.mod
index 7a5430f5a7cf..7aca1f9c9501 100644
--- a/go.mod
+++ b/go.mod
@@ -182,7 +182,7 @@ require (
 	gopkg.in/stack.v1 v1.7.0 // indirect
 	gopkg.in/yaml.v2 v2.2.2
 	gotest.tools v2.2.0+incompatible // indirect
-	istio.io/api v0.0.0-20190522004026-1dffc8d3d26d
+	istio.io/api v0.0.0-20190529184517-9f689ccd2715
 	istio.io/pkg v0.0.0-20190516214103-40b7bf4c7321
 	k8s.io/api v0.0.0-20190222213804-5cb15d344471
 	k8s.io/apiextensions-apiserver v0.0.0-20190221221350-bfb440be4b87
diff --git a/go.sum b/go.sum
index 90c72420eee2..fb425b37c87d 100644
--- a/go.sum
+++ b/go.sum
@@ -601,11 +601,8 @@ honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 istio.io/api v0.0.0-20190515205759-982e5c3888c6/go.mod h1:hhLFQmpHia8zgaM37vb2ml9iS5NfNfqZGRt1pS9aVEo=
-istio.io/api v0.0.0-20190517041403-820986f2947c h1:b1WAnmPxFV6oU5LH6jiHBjDFa7rQgVJUdCCT6bmpawA=
-istio.io/api v0.0.0-20190517041403-820986f2947c/go.mod h1:hhLFQmpHia8zgaM37vb2ml9iS5NfNfqZGRt1pS9aVEo=
-istio.io/api v0.0.0-20190522004026-1dffc8d3d26d h1:ktu78abdVWQ9aIhocmEsm2pDeCwXL4ict6T0GGKLFuw=
-istio.io/api v0.0.0-20190522004026-1dffc8d3d26d/go.mod h1:hhLFQmpHia8zgaM37vb2ml9iS5NfNfqZGRt1pS9aVEo=
-istio.io/api v0.0.0-20190522135727-e29f1a9ce041 h1:Ho6DiXJ1lVOKsqeIv+eG6ZPHjvjFxo6WzKgDWf0BwOE=
+istio.io/api v0.0.0-20190529184517-9f689ccd2715 h1:SpIoxvzS72LrCPSIKBLIwVlxBkhXiZBbaSrgP/mgtS8=
+istio.io/api v0.0.0-20190529184517-9f689ccd2715/go.mod h1:hhLFQmpHia8zgaM37vb2ml9iS5NfNfqZGRt1pS9aVEo=
 istio.io/gogo-genproto v0.0.0-20190124151557-6d926a6e6feb/go.mod h1:eIDJ6jNk/IeJz6ODSksHl5Aiczy5JUq6vFhJWI5OtiI=
 istio.io/pkg v0.0.0-20190516214103-40b7bf4c7321 h1:zXJi3xLeMGtvewwN7LzzqGhpiAOw/pFrM+CPGd5Fowc=
 istio.io/pkg v0.0.0-20190516214103-40b7bf4c7321/go.mod h1:QuX5yn89LMkQdwuz0OyikOs3DBN45poAUNBAlOmFIvQ=
diff --git a/install/kubernetes/helm/istio/charts/mixer/values.yaml b/install/kubernetes/helm/istio/charts/mixer/values.yaml
index 35c33d76ba82..7eae596206ef 100644
--- a/install/kubernetes/helm/istio/charts/mixer/values.yaml
+++ b/install/kubernetes/helm/istio/charts/mixer/values.yaml
@@ -45,6 +45,16 @@ telemetry:
       cpu: 4800m
       memory: 4G
 
+  # Set reportBatchMaxEntries to 0 to use the default batching behavior (i.e., every 100 requests). 
+  # A positive value indicates the number of requests that are batched before telemetry data 
+  # is sent to the mixer server
+  reportBatchMaxEntries: 100
+
+  # Set reportBatchMaxTime to 0 to use the default batching behavior (i.e., every 1 second). 
+  # A positive time value indicates the maximum wait time since the last request will telemetry data 
+  # be batched before being sent to the mixer server
+  reportBatchMaxTime: 1s
+
 podAnnotations: {}
 nodeSelector: {}
 tolerations: []
diff --git a/install/kubernetes/helm/istio/templates/configmap.yaml b/install/kubernetes/helm/istio/templates/configmap.yaml
index 02591ec805ab..1315e5e0ced3 100644
--- a/install/kubernetes/helm/istio/templates/configmap.yaml
+++ b/install/kubernetes/helm/istio/templates/configmap.yaml
@@ -19,6 +19,16 @@ data:
     disablePolicyChecks: true
     {{- end }}
 
+    {{- if .Values.mixer.telemetry.reportBatchMaxEntries }}
+    # reportBatchMaxEntries is the number of requests that are batched before telemetry data is sent to the mixer server
+    reportBatchMaxEntries: {{ .Values.mixer.telemetry.reportBatchMaxEntries }}
+    {{- end }}
+
+    {{- if .Values.mixer.telemetry.reportBatchMaxTime }}
+    # reportBatchMaxTime is the max waiting time before the telemetry data of a request is sent to the mixer server
+    reportBatchMaxTime: {{ .Values.mixer.telemetry.reportBatchMaxTime }}
+    {{- end }}
+
     # Set enableTracing to false to disable request tracing.
     enableTracing: {{ .Values.global.enableTracing }}
 
diff --git a/install/kubernetes/helm/istio/values.yaml b/install/kubernetes/helm/istio/values.yaml
index 0bc82d991abc..7323932a88a3 100644
--- a/install/kubernetes/helm/istio/values.yaml
+++ b/install/kubernetes/helm/istio/values.yaml
@@ -489,4 +489,4 @@ global:
   # Specifies whether helm test is enabled or not.
   # This field is set to false by default, so 'helm template ...'
   # will ignore the helm test yaml files when generating the template
-  enableHelmTest: false
\ No newline at end of file
+  enableHelmTest: false
diff --git a/pilot/pkg/networking/plugin/mixer/mixer.go b/pilot/pkg/networking/plugin/mixer/mixer.go
index 8c0a5714498f..9a5fe51b11e4 100644
--- a/pilot/pkg/networking/plugin/mixer/mixer.go
+++ b/pilot/pkg/networking/plugin/mixer/mixer.go
@@ -318,9 +318,11 @@ func buildTransport(mesh *meshconfig.MeshConfig, node *model.Proxy) *mccpb.Trans
 	}
 
 	res := &mccpb.TransportConfig{
-		CheckCluster:      buildUpstreamName(mesh.MixerCheckServer),
-		ReportCluster:     buildUpstreamName(mesh.MixerReportServer),
-		NetworkFailPolicy: networkFailPolicy,
+		CheckCluster:          buildUpstreamName(mesh.MixerCheckServer),
+		ReportCluster:         buildUpstreamName(mesh.MixerReportServer),
+		NetworkFailPolicy:     networkFailPolicy,
+		ReportBatchMaxEntries: mesh.ReportBatchMaxEntries,
+		ReportBatchMaxTime:    mesh.ReportBatchMaxTime,
 	}
 
 	return res
diff --git a/vendor/istio.io/api/mesh/v1alpha1/config.pb.go b/vendor/istio.io/api/mesh/v1alpha1/config.pb.go
index c8fd17aff883..e7b439696d37 100644
--- a/vendor/istio.io/api/mesh/v1alpha1/config.pb.go
+++ b/vendor/istio.io/api/mesh/v1alpha1/config.pb.go
@@ -315,7 +315,19 @@ type MeshConfig struct {
 	// Locality based load balancing distribution or failover settings.
 	LocalityLbSetting *LocalityLoadBalancerSetting `protobuf:"bytes,35,opt,name=locality_lb_setting,json=localityLbSetting,proto3" json:"locality_lb_setting,omitempty"`
 	// Configures DNS refresh rate for Envoy clusters of type STRICT_DNS
-	DnsRefreshRate       *types.Duration `protobuf:"bytes,36,opt,name=dns_refresh_rate,json=dnsRefreshRate,proto3" json:"dns_refresh_rate,omitempty"`
+	DnsRefreshRate *types.Duration `protobuf:"bytes,36,opt,name=dns_refresh_rate,json=dnsRefreshRate,proto3" json:"dns_refresh_rate,omitempty"`
+	// The flag to disable report batch.
+	DisableReportBatch bool `protobuf:"varint,37,opt,name=disable_report_batch,json=disableReportBatch,proto3" json:"disable_report_batch,omitempty"`
+	// When disable_report_batch is false, this value specifies the maximum number
+	// of requests that are batched in report. If left unspecified, the default value
+	// of report_batch_max_entries == 0 will use the hardcoded defaults of
+	// istio::mixerclient::ReportOptions.
+	ReportBatchMaxEntries uint32 `protobuf:"varint,38,opt,name=report_batch_max_entries,json=reportBatchMaxEntries,proto3" json:"report_batch_max_entries,omitempty"`
+	// When disable_report_batch is false, this value specifies the maximum elapsed
+	// time a batched report will be sent after a user request is processed. If left
+	// unspecified, the default report_batch_max_time == 0 will use the hardcoded
+	// defaults of istio::mixerclient::ReportOptions.
+	ReportBatchMaxTime   *types.Duration `protobuf:"bytes,39,opt,name=report_batch_max_time,json=reportBatchMaxTime,proto3" json:"report_batch_max_time,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
 	XXX_unrecognized     []byte          `json:"-"`
 	XXX_sizecache        int32           `json:"-"`
@@ -596,6 +608,27 @@ func (m *MeshConfig) GetDnsRefreshRate() *types.Duration {
 	return nil
 }
 
+func (m *MeshConfig) GetDisableReportBatch() bool {
+	if m != nil {
+		return m.DisableReportBatch
+	}
+	return false
+}
+
+func (m *MeshConfig) GetReportBatchMaxEntries() uint32 {
+	if m != nil {
+		return m.ReportBatchMaxEntries
+	}
+	return 0
+}
+
+func (m *MeshConfig) GetReportBatchMaxTime() *types.Duration {
+	if m != nil {
+		return m.ReportBatchMaxTime
+	}
+	return nil
+}
+
 type MeshConfig_OutboundTrafficPolicy struct {
 	Mode                 MeshConfig_OutboundTrafficPolicy_Mode `protobuf:"varint,1,opt,name=mode,proto3,enum=istio.mesh.v1alpha1.MeshConfig_OutboundTrafficPolicy_Mode" json:"mode,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                              `json:"-"`
@@ -967,100 +1000,104 @@ func init() {
 func init() { proto.RegisterFile("mesh/v1alpha1/config.proto", fileDescriptor_b5c7ece76d5d5022) }
 
 var fileDescriptor_b5c7ece76d5d5022 = []byte{
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+	0xfb, 0x5e, 0x73, 0x7e, 0xa1, 0xe2, 0x57, 0xb6, 0xd6, 0xde, 0x1d, 0x86, 0xd1, 0xf9, 0x6e, 0x97,
+	0xf4, 0x3a, 0xe1, 0xbb, 0xc3, 0x76, 0xc7, 0x80, 0x9b, 0x6f, 0x60, 0x7d, 0xe6, 0x4c, 0x44, 0x0f,
+	0x61, 0xee, 0xf4, 0xe0, 0xc0, 0xbf, 0x87, 0x16, 0xe1, 0xe1, 0x7e, 0xe7, 0x60, 0xf7, 0xbc, 0x1b,
+	0xf9, 0x1e, 0x02, 0x78, 0xd0, 0x8b, 0xc2, 0xc3, 0x76, 0xe4, 0x57, 0x9a, 0xcf, 0x01, 0x26, 0xb3,
+	0x0e, 0x2d, 0xc0, 0xfc, 0xc9, 0xe9, 0x49, 0xc7, 0xbf, 0x87, 0x6a, 0x00, 0xc7, 0xe7, 0x66, 0xa7,
+	0xa8, 0xdb, 0xf3, 0xbd, 0xe6, 0x0b, 0x58, 0xf9, 0xa2, 0xe9, 0x6b, 0x78, 0xd4, 0xf9, 0x43, 0xe4,
+	0xdf, 0xd3, 0xbf, 0x8e, 0x7a, 0xa7, 0x27, 0xbe, 0x77, 0x34, 0xbf, 0xb0, 0xec, 0xfb, 0x47, 0xf3,
+	0x0b, 0xc8, 0x5f, 0x6d, 0x4a, 0x58, 0x9a, 0x6e, 0x21, 0x08, 0xc3, 0xc3, 0xb2, 0x85, 0xdb, 0xf7,
+	0x65, 0xb9, 0x44, 0x87, 0xb0, 0xa4, 0x52, 0x59, 0x2a, 0x59, 0x9a, 0xf7, 0xe4, 0xe2, 0xce, 0xf3,
+	0x9f, 0x79, 0xd2, 0x44, 0xdd, 0x5e, 0xf9, 0x76, 0x09, 0x17, 0x55, 0x2a, 0xcb, 0x45, 0xf3, 0xef,
+	0x73, 0xf0, 0xf4, 0x67, 0xd4, 0x8e, 0xfe, 0x04, 0x90, 0x70, 0xa9, 0x72, 0x7e, 0x51, 0x28, 0x5d,
+	0x48, 0xdd, 0xfe, 0x7e, 0xf7, 0x4b, 0xef, 0x4c, 0xb0, 0x7f, 0x4b, 0x11, 0x4e, 0xd1, 0xa1, 0x73,
+	0x58, 0xd0, 0xaf, 0x55, 0x61, 0xdf, 0xc4, 0x9a, 0xfa, 0xcd, 0x2f, 0xa6, 0x3e, 0x70, 0x04, 0xe1,
+	0x2d, 0x55, 0xfd, 0xaf, 0x1e, 0xc0, 0x64, 0x47, 0x84, 0x60, 0xbe, 0x9f, 0x8b, 0x91, 0x4b, 0xa2,
+	0xf9, 0x8d, 0x7a, 0x50, 0x51, 0xc2, 0xed, 0xd9, 0xfe, 0x3f, 0x8e, 0x13, 0x44, 0x42, 0x5f, 0xaa,
+	0x9b, 0xb0, 0xa2, 0x44, 0xfd, 0x7b, 0x78, 0xe8, 0x96, 0xc8, 0x87, 0xb9, 0x4b, 0x76, 0xe3, 0xb6,
+	0xd4, 0x3f, 0xd1, 0x1a, 0xdc, 0xbf, 0xa2, 0x69, 0xc1, 0x4c, 0xb1, 0xaa, 0xa1, 0x5d, 0xfc, 0x50,
+	0x79, 0xed, 0xd5, 0x03, 0x58, 0x28, 0x0f, 0x31, 0xf3, 0x5b, 0x6b, 0xee, 0x5b, 0xb5, 0xa5, 0xa2,
+	0xc4, 0x5e, 0xeb, 0x1f, 0x1f, 0x37, 0xbc, 0x7f, 0x7e, 0xdc, 0xf0, 0xfe, 0xf5, 0x71, 0xc3, 0xfb,
+	0x63, 0xdd, 0x7e, 0x3c, 0x17, 0xdb, 0x74, 0xcc, 0xb7, 0x3f, 0xf9, 0xcf, 0x73, 0xf1, 0xc0, 0x5c,
+	0xe0, 0x57, 0xff, 0x09, 0x00, 0x00, 0xff, 0xff, 0xac, 0x70, 0x02, 0xf7, 0x5c, 0x0d, 0x00, 0x00,
 }
 
 func (m *MeshConfig) Marshal() (dAtA []byte, err error) {
@@ -1410,6 +1447,37 @@ func (m *MeshConfig) MarshalTo(dAtA []byte) (int, error) {
 		}
 		i += n8
 	}
+	if m.DisableReportBatch {
+		dAtA[i] = 0xa8
+		i++
+		dAtA[i] = 0x2
+		i++
+		if m.DisableReportBatch {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	if m.ReportBatchMaxEntries != 0 {
+		dAtA[i] = 0xb0
+		i++
+		dAtA[i] = 0x2
+		i++
+		i = encodeVarintConfig(dAtA, i, uint64(m.ReportBatchMaxEntries))
+	}
+	if m.ReportBatchMaxTime != nil {
+		dAtA[i] = 0xba
+		i++
+		dAtA[i] = 0x2
+		i++
+		i = encodeVarintConfig(dAtA, i, uint64(m.ReportBatchMaxTime.Size()))
+		n9, err9 := m.ReportBatchMaxTime.MarshalTo(dAtA[i:])
+		if err9 != nil {
+			return 0, err9
+		}
+		i += n9
+	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
 	}
@@ -1467,11 +1535,11 @@ func (m *ConfigSource) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintConfig(dAtA, i, uint64(m.TlsSettings.Size()))
-		n9, err9 := m.TlsSettings.MarshalTo(dAtA[i:])
-		if err9 != nil {
-			return 0, err9
+		n10, err10 := m.TlsSettings.MarshalTo(dAtA[i:])
+		if err10 != nil {
+			return 0, err10
 		}
-		i += n9
+		i += n10
 	}
 	if m.XXX_unrecognized != nil {
 		i += copy(dAtA[i:], m.XXX_unrecognized)
@@ -1747,6 +1815,16 @@ func (m *MeshConfig) Size() (n int) {
 		l = m.DnsRefreshRate.Size()
 		n += 2 + l + sovConfig(uint64(l))
 	}
+	if m.DisableReportBatch {
+		n += 3
+	}
+	if m.ReportBatchMaxEntries != 0 {
+		n += 2 + sovConfig(uint64(m.ReportBatchMaxEntries))
+	}
+	if m.ReportBatchMaxTime != nil {
+		l = m.ReportBatchMaxTime.Size()
+		n += 2 + l + sovConfig(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -2871,6 +2949,81 @@ func (m *MeshConfig) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 37:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field DisableReportBatch", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowConfig
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.DisableReportBatch = bool(v != 0)
+		case 38:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ReportBatchMaxEntries", wireType)
+			}
+			m.ReportBatchMaxEntries = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowConfig
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ReportBatchMaxEntries |= uint32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 39:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ReportBatchMaxTime", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowConfig
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthConfig
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthConfig
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.ReportBatchMaxTime == nil {
+				m.ReportBatchMaxTime = &types.Duration{}
+			}
+			if err := m.ReportBatchMaxTime.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipConfig(dAtA[iNdEx:])
diff --git a/vendor/istio.io/api/mesh/v1alpha1/config.proto b/vendor/istio.io/api/mesh/v1alpha1/config.proto
index c35e2b243468..ee9cb7110b54 100644
--- a/vendor/istio.io/api/mesh/v1alpha1/config.proto
+++ b/vendor/istio.io/api/mesh/v1alpha1/config.proto
@@ -282,8 +282,23 @@ message MeshConfig {
   // Configures DNS refresh rate for Envoy clusters of type STRICT_DNS
   google.protobuf.Duration dns_refresh_rate = 36;
 
+  // The flag to disable report batch.
+  bool disable_report_batch = 37;
+
+  // When disable_report_batch is false, this value specifies the maximum number
+  // of requests that are batched in report. If left unspecified, the default value 
+  // of report_batch_max_entries == 0 will use the hardcoded defaults of 
+  // istio::mixerclient::ReportOptions.
+  uint32 report_batch_max_entries = 38;
+
+  // When disable_report_batch is false, this value specifies the maximum elapsed 
+  // time a batched report will be sent after a user request is processed. If left
+  // unspecified, the default report_batch_max_time == 0 will use the hardcoded 
+  // defaults of istio::mixerclient::ReportOptions.
+  google.protobuf.Duration report_batch_max_time = 39;
+
   // $hide_from_docs
-  // Next available field number: 37
+  // Next available field number: 40
 }
 
 // ConfigSource describes information about a configuration store inside a
diff --git a/vendor/istio.io/api/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html b/vendor/istio.io/api/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html
index 97ea424c9d17..af3b9a5fab1d 100644
--- a/vendor/istio.io/api/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html
+++ b/vendor/istio.io/api/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html
@@ -494,6 +494,36 @@ <h2 id="MeshConfig">MeshConfig</h2>
 <td>
 <p>Configures DNS refresh rate for Envoy clusters of type STRICT_DNS</p>
 
+</td>
+</tr>
+<tr id="MeshConfig-disable_report_batch">
+<td><code>disableReportBatch</code></td>
+<td><code>bool</code></td>
+<td>
+<p>The flag to disable report batch.</p>
+
+</td>
+</tr>
+<tr id="MeshConfig-report_batch_max_entries">
+<td><code>reportBatchMaxEntries</code></td>
+<td><code>uint32</code></td>
+<td>
+<p>When disable<em>report</em>batch is false, this value specifies the maximum number
+of requests that are batched in report. If left unspecified, the default value
+of report<em>batch</em>max_entries == 0 will use the hardcoded defaults of
+istio::mixerclient::ReportOptions.</p>
+
+</td>
+</tr>
+<tr id="MeshConfig-report_batch_max_time">
+<td><code>reportBatchMaxTime</code></td>
+<td><code><a href="https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration">google.protobuf.Duration</a></code></td>
+<td>
+<p>When disable<em>report</em>batch is false, this value specifies the maximum elapsed
+time a batched report will be sent after a user request is processed. If left
+unspecified, the default report<em>batch</em>max_time == 0 will use the hardcoded
+defaults of istio::mixerclient::ReportOptions.</p>
+
 </td>
 </tr>
 </tbody>
@@ -618,8 +648,9 @@ <h2 id="MeshNetworks">MeshNetworks</h2>
 <p>MeshNetworks (config map) provides information about the set of networks
 inside a mesh and how to route to endpoints in each network. For example</p>
 
-<p>MeshNetworks(file/config map):
-networks:
+<p>MeshNetworks(file/config map):</p>
+
+<pre><code class="language-yaml">networks:
   network1:
   - endpoints:
     - fromRegistry: registry1 #must match secret name in Kubernetes
@@ -630,7 +661,8 @@ <h2 id="MeshNetworks">MeshNetworks</h2>
       locality: us-east-1a
     - address: 192.168.100.1
       port: 15443
-      locality: us-east-1a</p>
+      locality: us-east-1a
+</code></pre>
 
 <table class="message-fields">
 <thead>
diff --git a/vendor/istio.io/api/mesh/v1alpha1/network.pb.go b/vendor/istio.io/api/mesh/v1alpha1/network.pb.go
index 0689dc4b2320..ae772d18fbfe 100644
--- a/vendor/istio.io/api/mesh/v1alpha1/network.pb.go
+++ b/vendor/istio.io/api/mesh/v1alpha1/network.pb.go
@@ -422,6 +422,8 @@ func _Network_IstioNetworkGateway_OneofSizer(msg proto.Message) (n int) {
 // inside a mesh and how to route to endpoints in each network. For example
 //
 // MeshNetworks(file/config map):
+//
+// ```yaml
 // networks:
 //   network1:
 //   - endpoints:
@@ -434,6 +436,8 @@ func _Network_IstioNetworkGateway_OneofSizer(msg proto.Message) (n int) {
 //     - address: 192.168.100.1
 //       port: 15443
 //       locality: us-east-1a
+// ```
+//
 type MeshNetworks struct {
 	// REQUIRED: The set of networks inside this mesh. Each network should
 	// have a unique name and information about how to infer the endpoints in
diff --git a/vendor/istio.io/api/mesh/v1alpha1/network.proto b/vendor/istio.io/api/mesh/v1alpha1/network.proto
index 126d1212e656..1ed902d532bc 100644
--- a/vendor/istio.io/api/mesh/v1alpha1/network.proto
+++ b/vendor/istio.io/api/mesh/v1alpha1/network.proto
@@ -96,6 +96,8 @@ message Network {
 // inside a mesh and how to route to endpoints in each network. For example
 //
 // MeshNetworks(file/config map):
+//
+// ```yaml
 // networks:
 //   network1:
 //   - endpoints:
@@ -108,6 +110,8 @@ message Network {
 //     - address: 192.168.100.1
 //       port: 15443
 //       locality: us-east-1a
+// ```
+//
 message MeshNetworks {
   // REQUIRED: The set of networks inside this mesh. Each network should
   // have a unique name and information about how to infer the endpoints in
diff --git a/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.go b/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.go
index 3cbfe53fdd75..35553c187f2a 100644
--- a/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.go
+++ b/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.go
@@ -1278,7 +1278,8 @@ type ConnectionPoolSettings_HTTPSettings struct {
 	// Maximum number of requests to a backend. Default 1024.
 	Http2MaxRequests int32 `protobuf:"varint,2,opt,name=http2_max_requests,json=http2MaxRequests,proto3" json:"http2_max_requests,omitempty"`
 	// Maximum number of requests per connection to a backend. Setting this
-	// parameter to 1 disables keep alive.
+	// parameter to 1 disables keep alive. Default 0, meaning "unlimited",
+	// up to 2^29.
 	MaxRequestsPerConnection int32 `protobuf:"varint,3,opt,name=max_requests_per_connection,json=maxRequestsPerConnection,proto3" json:"max_requests_per_connection,omitempty"`
 	// Maximum number of retries that can be outstanding to all hosts in a
 	// cluster at a given time. Defaults to 1024.
diff --git a/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.html b/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.html
index d51970bb7c47..0f13e01af886 100644
--- a/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.html
+++ b/vendor/istio.io/api/networking/v1alpha3/destination_rule.pb.html
@@ -163,7 +163,8 @@ <h2 id="ConnectionPoolSettings-HTTPSettings">ConnectionPoolSettings.HTTPSettings
 <td><code>int32</code></td>
 <td>
 <p>Maximum number of requests per connection to a backend. Setting this
-parameter to 1 disables keep alive.</p>
+parameter to 1 disables keep alive. Default 0, meaning &ldquo;unlimited&rdquo;,
+up to 2^29.</p>
 
 </td>
 </tr>
diff --git a/vendor/istio.io/api/networking/v1alpha3/destination_rule.proto b/vendor/istio.io/api/networking/v1alpha3/destination_rule.proto
index 38159f57d9ac..98932e627425 100644
--- a/vendor/istio.io/api/networking/v1alpha3/destination_rule.proto
+++ b/vendor/istio.io/api/networking/v1alpha3/destination_rule.proto
@@ -419,7 +419,8 @@ message ConnectionPoolSettings {
     int32 http2_max_requests = 2;
 
     // Maximum number of requests per connection to a backend. Setting this
-    // parameter to 1 disables keep alive.
+    // parameter to 1 disables keep alive. Default 0, meaning "unlimited",
+    // up to 2^29.
     int32 max_requests_per_connection = 3;
 
     // Maximum number of retries that can be outstanding to all hosts in a
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 226f97543a65..7207319533af 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -665,7 +665,7 @@ gopkg.in/square/go-jose.v2/json
 gopkg.in/stack.v1
 # gopkg.in/yaml.v2 v2.2.2
 gopkg.in/yaml.v2
-# istio.io/api v0.0.0-20190522004026-1dffc8d3d26d
+# istio.io/api v0.0.0-20190529184517-9f689ccd2715
 istio.io/api/mesh/v1alpha1
 istio.io/api/authentication/v1alpha1
 istio.io/api/mixer/v1/config/client