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Posted to commits@dubbo.apache.org by xi...@apache.org on 2021/06/24 02:52:39 UTC

[dubbo-go-pixiu] branch develop updated: rate limit filter (#169)

This is an automated email from the ASF dual-hosted git repository.

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


The following commit(s) were added to refs/heads/develop by this push:
     new fbaf7ed  rate limit filter (#169)
fbaf7ed is described below

commit fbaf7ed106551c54004c22d7f04334ea34732544
Author: Mark4z <36...@users.noreply.github.com>
AuthorDate: Thu Jun 24 10:52:33 2021 +0800

    rate limit filter (#169)
    
    * update dubbo-go to v1.5.6 & fmt sth.
    
    * fix fmt
    
    * Update go.mod
    
    * update dubbo-go to v1.5.6 & fmt sth.
    
    * update dubbo-go to v1.5.6 & fmt sth.
    
    * fix fmt
    
    * rateLimit filter
    
    * add licence header
    
    * fix imports
    
    * add license header
    
    * add license header
    
    * fix ci
    
    * fix matcher var inline
    
    * fix ci
    
    * fix sync.RWMutex
    
    * errors.warp
    
    * test table
    
    * remove unreachable statement
    
    * Pattern pattern,omitempty
    
    * update develop
    
    * update the docs for ratelimit
    
    * update develop
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    * ratelimit filter
    
    Co-authored-by: Zhenxu Ke <ke...@apache.org>
---
 configs/api_config.yaml                            |  32 +-
 docs/index.md                                      |   1 +
 go.mod                                             |  19 +-
 go.sum                                             | 390 ++++++---------------
 pkg/common/constant/key.go                         |   1 +
 pkg/filter/plugins/plugins.go                      |  74 ++--
 pkg/filter/plugins/plugins_test.go                 |   4 +-
 pkg/filter/ratelimit/init.go                       |  73 ++++
 .../load.go => filter/ratelimit/init_test.go}      |  22 +-
 pkg/filter/ratelimit/logger_warpper.go             |  62 ++++
 .../filter/ratelimit/matcher/exact.go              |  44 ++-
 .../filter/ratelimit/matcher/matcher.go            |  55 ++-
 .../filter/ratelimit/matcher/regex.go              |  48 ++-
 pkg/filter/ratelimit/matcher_test.go               |  80 +++++
 pkg/filter/ratelimit/mock.go                       |  57 +++
 pkg/filter/ratelimit/rate_limit.go                 |  89 +++++
 pkg/initialize/init.go                             |  14 +-
 pkg/pixiu/listener.go                              |   2 +
 pkg/pixiu/pixiu_start.go                           |   4 +-
 pkg/registry/consul.go                             |   1 +
 pkg/registry/consul_test.go                        |   1 +
 pkg/registry/load.go                               |   1 +
 pkg/registry/util.go                               |   3 +-
 pkg/registry/zookeeper.go                          |  10 +-
 pkg/registry/zookeeper_test.go                     |   6 +-
 pkg/service/api/discovery_service.go               |  10 +-
 samples/plugins/{ => hotswap}/Dockerfile           |   2 +-
 samples/plugins/{ => hotswap}/README.md            |   0
 samples/plugins/{ => hotswap}/README_CN.md         |   2 +-
 .../plugins/{ => hotswap}/config/api_config.yaml   |   0
 samples/plugins/{ => hotswap}/config/conf.yaml     |   0
 samples/plugins/{ => hotswap}/go.mod               |   0
 samples/plugins/{ => hotswap}/plugin/access.go     |   0
 samples/plugins/{ => hotswap}/plugin/rate_limit.go |   0
 samples/plugins/{ => hotswap}/plugin/trace.go      |   0
 samples/plugins/{ => hotswap}/start.sh             |   0
 samples/plugins/index.md                           |   4 +
 samples/plugins/ratelimit/README.md                |  48 +++
 samples/plugins/ratelimit/README_CN.md             |  44 +++
 .../plugins/{plugin/trace.go => ratelimit/test.go} |  34 +-
 40 files changed, 833 insertions(+), 404 deletions(-)

diff --git a/configs/api_config.yaml b/configs/api_config.yaml
index 7a742db..7b0f191 100644
--- a/configs/api_config.yaml
+++ b/configs/api_config.yaml
@@ -79,4 +79,34 @@ pluginsGroup:
       - name: "trace"
         version: "0.0.1"
         priority: 1000
-        externalLookupName: "ExternalPluginTrace"
\ No newline at end of file
+        externalLookupName: "ExternalPluginTrace"
+rateLimit:
+  resources:
+    - name: test-dubbo
+      items:
+        #Exact
+        - matchStrategy: 0
+          pattern: "/api/v1/test-dubbo/user"
+        #Regex
+        - matchStrategy: 1
+          pattern: "/api/v1/test-dubbo/user/*"
+    - name: test-http
+      items:
+        #Exact
+        - matchStrategy: 0
+          pattern: "/api/v1/http/foo"
+        - matchStrategy: 0
+          pattern: "/api/v1/http/bar"
+        #Regex
+        - matchStrategy: 1
+          pattern: "/api/v1/http/foo/*"
+        - matchStrategy: 1
+          pattern: "/api/v1/http/bar/*"
+
+  rules:
+    #qps sample At most 100 requests can be passed in 1000ms, so qps is 100
+    - resource: "test-dubbo"
+      enable: true
+      flowRule:
+        threshold: 100
+        statintervalinms: 1000
\ No newline at end of file
diff --git a/docs/index.md b/docs/index.md
index d25cffc..b7b6fe6 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -11,6 +11,7 @@
 * [dubbo](sample/dubbo.md)
 * [http](sample/http.md)
 * [mock](sample/mock.md)
+* [plugins](../samples/plugins/index.md)
 
 ## [User Guide](user/README.md)
 
diff --git a/go.mod b/go.mod
index 00bcf21..af8467d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,13 @@ module github.com/apache/dubbo-go-pixiu
 go 1.14
 
 require (
-	github.com/apache/dubbo-go v1.5.5
-	github.com/apache/dubbo-go-hessian2 v1.7.0
+	github.com/alibaba/sentinel-golang v1.0.2
+	github.com/apache/dubbo-go v1.5.7-rc1
+	github.com/apache/dubbo-go-hessian2 v1.9.2
 	github.com/coreos/etcd v3.3.25+incompatible
-	github.com/dubbogo/dubbo-go-pixiu-filter v0.1.4-0.20210427062645-0bec837d429e
-	github.com/dubbogo/go-zookeeper v1.0.2
+	github.com/dubbogo/dubbo-go-pixiu-filter v0.1.4-0.20210613012702-8488bf80772c
+	github.com/dubbogo/go-zookeeper v1.0.3
+	github.com/dubbogo/gost v1.11.7
 	github.com/emirpasic/gods v1.12.0
 	github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
 	github.com/goinggo/mapstructure v0.0.0-20140717182941-194205d9b4a9
@@ -15,12 +17,15 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/shirou/gopsutil v3.21.3+incompatible // indirect
 	github.com/spf13/cast v1.3.1
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	github.com/tklauser/go-sysconf v0.3.5 // indirect
 	github.com/urfave/cli v1.22.4
 	go.uber.org/zap v1.16.0
-	google.golang.org/grpc v1.26.0
+	google.golang.org/grpc v1.33.1
 	gopkg.in/yaml.v2 v2.4.0
 )
 
-replace github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473 => github.com/envoyproxy/go-control-plane v0.8.0
+replace (
+	github.com/envoyproxy/go-control-plane => github.com/envoyproxy/go-control-plane v0.8.0
+	google.golang.org/grpc v1.33.1 => google.golang.org/grpc v1.26.0
+)
diff --git a/go.sum b/go.sum
index c9fb8de..d2b7690 100644
--- a/go.sum
+++ b/go.sum
@@ -4,37 +4,27 @@ cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSR
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-contrib.go.opencensus.io/exporter/ocagent v0.4.12/go.mod h1:450APlNTSR6FrvC3CTRqYosuDstRB9un7SOx2k/9ckA=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/azure-sdk-for-go v32.4.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
 github.com/Azure/azure-sdk-for-go v40.3.0+incompatible h1:NthZg3psrLxvQLN6rVm07pZ9mv2wvGNaBNGQ3fnPvLE=
 github.com/Azure/azure-sdk-for-go v40.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
-github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
-github.com/Azure/go-autorest/autorest v0.1.0/go.mod h1:AKyIcETwSUFxIcs/Wnq/C+kwCtlEYGUVd7FPNb2slmg=
-github.com/Azure/go-autorest/autorest v0.5.0/go.mod h1:9HLKlQjVBH6U3oDfsXOeVc56THsLPw1L03yban4xThw=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
 github.com/Azure/go-autorest/autorest v0.9.3/go.mod h1:GsRuLYvwzLjjjRoWEIyMUaYq8GNUx2nRB378IPt/1p0=
 github.com/Azure/go-autorest/autorest v0.10.0 h1:mvdtztBqcL8se7MdrUweNieTNi4kfNG6GOJuurQJpuY=
 github.com/Azure/go-autorest/autorest v0.10.0/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
-github.com/Azure/go-autorest/autorest/adal v0.1.0/go.mod h1:MeS4XhScH55IST095THyTxElntu7WqB7pNbZo8Q5G3E=
-github.com/Azure/go-autorest/autorest/adal v0.2.0/go.mod h1:MeS4XhScH55IST095THyTxElntu7WqB7pNbZo8Q5G3E=
 github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
 github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
 github.com/Azure/go-autorest/autorest/adal v0.8.1/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
 github.com/Azure/go-autorest/autorest/adal v0.8.2 h1:O1X4oexUxnZCaEUGsvMnr8ZGj8HI37tNezwY4npRqA0=
 github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
-github.com/Azure/go-autorest/autorest/azure/auth v0.1.0/go.mod h1:Gf7/i2FUpyb/sGBLIFxTBzrNzBo7aPXXE3ZVeDRwdpM=
 github.com/Azure/go-autorest/autorest/azure/auth v0.4.2 h1:iM6UAvjR97ZIeR93qTcwpKNMpV+/FTWjwEbuPD495Tk=
 github.com/Azure/go-autorest/autorest/azure/auth v0.4.2/go.mod h1:90gmfKdlmKgfjUpnCEpOJzsUEjrWDSLwHIG73tSXddM=
-github.com/Azure/go-autorest/autorest/azure/cli v0.1.0/go.mod h1:Dk8CUAt/b/PzkfeRsWzVG9Yj3ps8mS8ECztu43rdU8U=
 github.com/Azure/go-autorest/autorest/azure/cli v0.3.1 h1:LXl088ZQlP0SBppGFsRZonW6hSvwgL5gRByMbvUbx8U=
 github.com/Azure/go-autorest/autorest/azure/cli v0.3.1/go.mod h1:ZG5p860J94/0kI9mNJVoIoLgXcirM2gF5i2kWloofxw=
 github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
@@ -44,15 +34,12 @@ github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxB
 github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
 github.com/Azure/go-autorest/autorest/mocks v0.3.0 h1:qJumjCaCudz+OcqE9/XtEPfvtOjOmKaui4EOpFI6zZc=
 github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
-github.com/Azure/go-autorest/autorest/to v0.2.0/go.mod h1:GunWKJp1AEqgMaGLV+iocmRAJWqST1wQYhyyjXJ3SJc=
 github.com/Azure/go-autorest/autorest/to v0.3.0 h1:zebkZaadz7+wIQYgC7GXaz3Wb28yKYfVkkBKwc38VF8=
 github.com/Azure/go-autorest/autorest/to v0.3.0/go.mod h1:MgwOyqaIuKdG4TL/2ywSsIWKAfJfgHDo8ObuUk3t5sA=
-github.com/Azure/go-autorest/autorest/validation v0.1.0/go.mod h1:Ha3z/SqBeaalWQvokg3NZAlQTalVMtOIAs1aGK7G6u8=
 github.com/Azure/go-autorest/autorest/validation v0.2.0 h1:15vMO4y76dehZSq7pAaOLQxC6dZYsSrj2GQpflyM/L4=
 github.com/Azure/go-autorest/autorest/validation v0.2.0/go.mod h1:3EEqHnBxQGHXRYq3HT1WyXAvT7LLY3tl70hw6tQIbjI=
 github.com/Azure/go-autorest/logger v0.1.0 h1:ruG4BSDXONFRrZZJ2GUXDiUyVpayPmb1GnWeHDdaNKY=
 github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.1.0/go.mod h1:ROEEAFwXycQw7Sn3DXNtEedEvdeRAgDr0izn4z5Ij88=
 github.com/Azure/go-autorest/tracing v0.5.0 h1:TRn4WjSnkcSy5AEG3pnbtFSwNtwzjr4VYyQflFE619k=
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
@@ -62,16 +49,12 @@ github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3
 github.com/DataDog/datadog-go v3.2.0+incompatible h1:qSG2N4FghB1He/r2mFrWKCaL7dXCilEuNEeAn20fdD4=
 github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/Microsoft/go-winio v0.4.3 h1:M3NHMuPgMSUPdE5epwNUHlRPSVzHs8HpRTrVXhR0myo=
 github.com/Microsoft/go-winio v0.4.3/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
-github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 h1:ygIc8M6trr62pF5DucadTWGdEB4mEyvzi0e2nbcmcyA=
-github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
-github.com/Microsoft/hcsshim v0.8.7-0.20191101173118-65519b62243c/go.mod h1:7xhjOwRV2+0HXGmM0jxaEu+ZiXJFoVZOTfL/dmqbrD8=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
+github.com/NYTimes/gziphandler v1.0.1 h1:iLrQrdwjDd52kHDA5op2UBJFjmOb9g+7scBan4RN8F0=
 github.com/NYTimes/gziphandler v1.0.1/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
-github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
-github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/OpenDNS/vegadns2client v0.0.0-20180418235048-a3fa4a771d87/go.mod h1:iGLljf5n9GjT6kc0HBvyI1nOKnGQbNB66VzSNbK5iks=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/RoaringBitmap/roaring v0.5.5 h1:naNqvO1mNnghk2UvcsqnzHDBn9DRbCIRy94GmDTRVTQ=
@@ -88,26 +71,23 @@ github.com/abdullin/seq v0.0.0-20160510034733-d5467c17e7af h1:DBNMBMuMiWYu0b+8KM
 github.com/abdullin/seq v0.0.0-20160510034733-d5467c17e7af/go.mod h1:5Jv4cbFiHJMsVxt52+i0Ha45fjshj6wxYr1r19tB9bw=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5 h1:rFw4nCn9iMW+Vajsk51NtYIcwSTkXr+JGrMd36kTDJw=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
-github.com/akamai/AkamaiOPEN-edgegrid-golang v0.9.0/go.mod h1:zpDJeKyp9ScW4NNrbdr+Eyxvry3ilGPewKoXw3XGN1k=
-github.com/alangpierce/go-forceexport v0.0.0-20160317203124-8f1d6941cd75/go.mod h1:uAXEEpARkRhCZfEvy/y0Jcc888f9tHCc1W7/UeEtreE=
-github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
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@@ -397,54 +328,50 @@ github.com/google/tcpproxy v0.0.0-20180808230851-dfa16c61dad2/go.mod h1:DavVbd41
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@@ -460,7 +387,6 @@ github.com/hashicorp/go-discover v0.0.0-20200501174627-ad1e96bde088/go.mod h1:vZ
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@@ -471,18 +397,15 @@ github.com/hashicorp/go-memdb v1.0.3/go.mod h1:LWQ8R70vPrS4OEY9k28D2z8/Zzyu34NVz
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@@ -502,9 +425,8 @@ github.com/hashicorp/go-version v1.2.0 h1:3vNe/fWF5CBgRIguda1meWhsZHy3m8gCJ5wx+d
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@@ -520,7 +442,6 @@ github.com/hashicorp/memberlist v0.2.2/go.mod h1:MS2lj3INKhZjWNqd3N0m3J+Jxf3DAOn
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@@ -529,11 +450,9 @@ github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/J
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@@ -665,18 +561,16 @@ github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77/go.
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@@ -735,13 +616,6 @@ github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1Cpa
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@@ -752,9 +626,6 @@ github.com/openzipkin-contrib/zipkin-go-opentracing v0.4.5/go.mod h1:/wsWhb9smxS
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@@ -771,9 +642,8 @@ github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR
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@@ -808,29 +678,26 @@ github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7q
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 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
@@ -971,6 +820,7 @@ go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg=
 go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
+go.etcd.io/etcd v0.0.0-20200402134248-51bdeb39e698/go.mod h1:YoUyTScD3Vcv2RBm3eGVOq7i1ULiz3OuXoQFWOirmAM=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
@@ -987,37 +837,28 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
-go.uber.org/ratelimit v0.0.0-20180316092928-c15da0234277/go.mod h1:2X8KaoNd1J0lZV+PxJk/5+DGbO/tpwLR1m++a7FnB/Y=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
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-golang.org/x/crypto v0.0.0-20180621125126-a49355c7e3f8/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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@@ -1025,7 +866,7 @@ golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
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-golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
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 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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@@ -1035,7 +876,6 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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-golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
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 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
@@ -1043,11 +883,11 @@ golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCc
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
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 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -1058,7 +898,6 @@ golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -1067,23 +906,24 @@ golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -1092,8 +932,9 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -1106,7 +947,6 @@ golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190209173611-3b5209105503/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1115,19 +955,16 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1137,12 +974,14 @@ golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200124204421-9fbb57f87de9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1151,12 +990,15 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
 golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
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@@ -1182,14 +1024,14 @@ golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -1200,9 +1042,8 @@ google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEt
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.13.0 h1:Q3Ui3V3/CVinFWFiW39Iw0kMuVrRzYX0wN6OPFp0lTA=
 google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
-google.golang.org/api v0.14.0 h1:uMf5uLi4eQMRrMKhCplNik4U4H8Z6C1br3zOtAa/aDE=
-google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -1211,7 +1052,6 @@ google.golang.org/appengine v1.6.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
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@@ -1222,8 +1062,9 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
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 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1 h1:aQktFqmDE2yjveXJlVIfslDFmFnUXSqG0i6KRcJAeMc=
-google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884 h1:fiNLklpBwWK1mth30Hlwk+fcdBmIALlgF5iy77O37Ig=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -1236,14 +1077,16 @@ google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
@@ -1259,28 +1102,22 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
-gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
-gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
-gopkg.in/h2non/gock.v1 v1.0.15/go.mod h1:sX4zAkdYX1TRGJ2JY156cFspQn4yRWn6p9EMdODlynE=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ini.v1 v1.44.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/ns1/ns1-go.v2 v2.0.0-20190730140822-b51389932cbc/go.mod h1:VV+3haRsgDiVLxyifmMBrBIuCWFBPYKbRssXB9z67Hw=
-gopkg.in/resty.v1 v1.9.1/go.mod h1:vo52Hzryw9PnPHcJfPsBiFW62XhNx5OczbV9y+IMpgc=
 gopkg.in/resty.v1 v1.12.0 h1:CuXP0Pjfw9rOuY6EP+UvtNvt5DSqHpIxILZKT/quCZI=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/square/go-jose.v2 v2.4.1 h1:H0TmLt7/KmzlrDOpa1F+zr0Tk90PbJYBfsVUmRLrf9Y=
 gopkg.in/square/go-jose.v2 v2.4.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
-gopkg.in/telegram-bot-api.v4 v4.6.4/go.mod h1:5DpGO5dbumb40px+dXcwCpcjmeHNYLpk0bp3XRNvWDM=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -1289,7 +1126,6 @@ gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 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=
@@ -1310,8 +1146,6 @@ k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
 k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
 k8s.io/kube-openapi v0.0.0-20190816220812-743ec37842bf/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
-k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
-k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
 k8s.io/utils v0.0.0-20190801114015-581e00157fb1 h1:+ySTxfHnfzZb9ys375PXNlLhkJPLKgHajBU0N62BDvE=
 k8s.io/utils v0.0.0-20190801114015-581e00157fb1/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
 launchpad.net/gocheck v0.0.0-20140225173054-000000000087/go.mod h1:hj7XX3B/0A+80Vse0e+BUHsHMTEhd0O4cpUHr/e/BUM=
@@ -1319,4 +1153,6 @@ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8
 sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
diff --git a/pkg/common/constant/key.go b/pkg/common/constant/key.go
index 47e8ba9..27e408e 100644
--- a/pkg/common/constant/key.go
+++ b/pkg/common/constant/key.go
@@ -29,6 +29,7 @@ const (
 	RecoveryFilter           = "dgp.filters.recovery"
 	ResponseFilter           = "dgp.filters.response"
 	AccessLogFilter          = "dgp.filters.access_log"
+	RateLimitFilter          = "dgp.filters.rate_limit"
 )
 
 const (
diff --git a/pkg/filter/plugins/plugins.go b/pkg/filter/plugins/plugins.go
index b9b8e93..3489d58 100644
--- a/pkg/filter/plugins/plugins.go
+++ b/pkg/filter/plugins/plugins.go
@@ -35,11 +35,18 @@ import (
 )
 
 var (
-	apiURLWithPluginsMap = make(map[string]FilterChain)
-	groupWithPluginsMap  = make(map[string]map[string]WithFunc)
-	errEmptyPluginConfig = errors.New("Empty plugin config")
+	// url path -> filter chain
+	filterChainCache = make(map[string]FilterChain)
+	groupCache       = make(map[string]map[string]WithFunc)
+
+	errEmptyConfig = errors.New("Empty plugin config")
 )
 
+func Init(groups []config.PluginsGroup, filePath string, resources []config.Resource) {
+	InitPluginsGroup(groups, filePath)
+	InitFilterChainCache(resources)
+}
+
 // FilterChain include Pre & Post filters
 type FilterChain struct {
 	Pre  context.FilterChain
@@ -53,6 +60,16 @@ type WithFunc struct {
 	fn       context.FilterFunc
 }
 
+// OnResourceUpdate update plugins cache map when api-resource update
+func OnResourceUpdate(resource *config.Resource) {
+	InitFilterChainForResource(resource, "", nil)
+}
+
+// OnGroupUpdate update group cache
+func OnGroupUpdate(groups []config.PluginsGroup, filePath string) {
+	InitPluginsGroup(groups, filePath)
+}
+
 // InitPluginsGroup prase api_config.yaml(pluginsGroup) to map[string][]PluginsWithFunc
 func InitPluginsGroup(groups []config.PluginsGroup, filePath string) {
 	if "" == filePath || len(groups) == 0 {
@@ -65,6 +82,8 @@ func InitPluginsGroup(groups []config.PluginsGroup, filePath string) {
 		panic(err)
 	}
 
+	newGroupMap := make(map[string]map[string]WithFunc, len(groups))
+
 	for _, group := range groups {
 		pwdMap := make(map[string]WithFunc, len(group.Plugins))
 
@@ -74,12 +93,13 @@ func InitPluginsGroup(groups []config.PluginsGroup, filePath string) {
 			pwdMap[pl.Name] = pwf
 		}
 
-		groupWithPluginsMap[group.GroupName] = pwdMap
+		newGroupMap[group.GroupName] = pwdMap
 	}
+	groupCache = newGroupMap
 }
 
-// InitAPIURLWithFilterChain must behind InitPluginsGroup call
-func InitAPIURLWithFilterChain(resources []config.Resource) {
+// InitFilterChainCache must behind InitPluginsGroup call
+func InitFilterChainCache(resources []config.Resource) {
 	pairURLWithFilterChain("", resources, nil)
 }
 
@@ -94,32 +114,36 @@ func pairURLWithFilterChain(parentPath string, resources []config.Resource, pare
 	}
 
 	for _, resource := range resources {
-		fullPath := groupPath + resource.Path
-		if !strings.HasPrefix(resource.Path, constant.PathSlash) {
-			continue
-		}
+		InitFilterChainForResource(&resource, groupPath, parentFilterChains)
+	}
+}
+
+func InitFilterChainForResource(resource *config.Resource, groupPath string, parent *FilterChain) {
+	fullPath := groupPath + resource.Path
+	if !strings.HasPrefix(resource.Path, constant.PathSlash) {
+		return
+	}
 
-		currentFilterChains, err := getAPIFilterChains(&resource.Plugins)
+	currentFilterChains, err := getAPIFilterChains(&resource.Plugins)
 
-		if err == nil {
-			apiURLWithPluginsMap[fullPath] = *currentFilterChains
-			parentFilterChains = currentFilterChains
-		} else {
-			if parentFilterChains != nil {
-				apiURLWithPluginsMap[fullPath] = *parentFilterChains
-			}
+	if err == nil {
+		filterChainCache[fullPath] = *currentFilterChains
+		parent = currentFilterChains
+	} else {
+		if parent != nil {
+			filterChainCache[fullPath] = *parent
 		}
+	}
 
-		if len(resource.Resources) > 0 {
-			pairURLWithFilterChain(resource.Path, resource.Resources, parentFilterChains)
-		}
+	if len(resource.Resources) > 0 {
+		pairURLWithFilterChain(resource.Path, resource.Resources, parent)
 	}
 }
 
 // GetAPIFilterFuncsWithAPIURL is get filterchain with path
 func GetAPIFilterFuncsWithAPIURL(url string) FilterChain {
 	// found from cache
-	if flc, found := apiURLWithPluginsMap[url]; found {
+	if flc, found := filterChainCache[url]; found {
 		logger.Debugf("GetExternalPlugins is:%v", flc)
 		return flc
 	}
@@ -141,7 +165,7 @@ func loadExternalPlugin(p *config.Plugin, pl *plugin.Plugin) context.FilterFunc
 		return sbf().Do()
 	}
 
-	panic(errEmptyPluginConfig)
+	panic(errEmptyConfig)
 }
 
 func getAPIFilterChains(pluginsConfig *config.PluginsConfig) (fcs *FilterChain, err error) {
@@ -165,7 +189,7 @@ func getAPIFilterFuncsWithPluginsGroup(plu *config.PluginsInUse) []context.Filte
 
 	// found with group name
 	for _, groupName := range plu.GroupNames {
-		pwfMap, found := groupWithPluginsMap[groupName]
+		pwfMap, found := groupCache[groupName]
 		if found {
 			for _, pwf := range pwfMap {
 				tmpMap[pwf.Name] = pwf.fn
@@ -174,7 +198,7 @@ func getAPIFilterFuncsWithPluginsGroup(plu *config.PluginsInUse) []context.Filte
 	}
 
 	// found with with name from all group
-	for _, group := range groupWithPluginsMap {
+	for _, group := range groupCache {
 		for _, name := range plu.PluginNames {
 			if pwf, found := group[name]; found {
 				tmpMap[pwf.Name] = pwf.fn
diff --git a/pkg/filter/plugins/plugins_test.go b/pkg/filter/plugins/plugins_test.go
index 59628e3..dc2e2c7 100644
--- a/pkg/filter/plugins/plugins_test.go
+++ b/pkg/filter/plugins/plugins_test.go
@@ -42,7 +42,7 @@ func TestInitApiUrlWithFilterChain(t *testing.T) {
 	assert.Empty(t, err)
 
 	InitPluginsGroup(apiConfig.PluginsGroup, apiConfig.PluginFilePath)
-	InitAPIURLWithFilterChain(apiConfig.Resources)
+	InitFilterChainCache(apiConfig.Resources)
 }
 
 func TestGetApiFilterFuncsWithApiUrl(t *testing.T) {
@@ -50,7 +50,7 @@ func TestGetApiFilterFuncsWithApiUrl(t *testing.T) {
 	assert.Empty(t, err)
 
 	InitPluginsGroup(apiConfig.PluginsGroup, apiConfig.PluginFilePath)
-	InitAPIURLWithFilterChain(apiConfig.Resources)
+	InitFilterChainCache(apiConfig.Resources)
 
 	flc := GetAPIFilterFuncsWithAPIURL("/")
 	assert.Equal(t, 0, len(flc.Pre))
diff --git a/pkg/filter/ratelimit/init.go b/pkg/filter/ratelimit/init.go
new file mode 100644
index 0000000..5659c06
--- /dev/null
+++ b/pkg/filter/ratelimit/init.go
@@ -0,0 +1,73 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ratelimit
+
+import (
+	sentinel "github.com/alibaba/sentinel-golang/api"
+	sc "github.com/alibaba/sentinel-golang/core/config"
+	"github.com/alibaba/sentinel-golang/core/flow"
+	"github.com/alibaba/sentinel-golang/logging"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config/ratelimit"
+	"github.com/pkg/errors"
+)
+
+import (
+	"github.com/apache/dubbo-go-pixiu/pkg/filter/ratelimit/matcher"
+	"github.com/apache/dubbo-go-pixiu/pkg/logger"
+)
+
+func rateLimitInit(c *ratelimit.Config) error {
+	sentinelConf := sc.NewDefaultConfig()
+	if len(c.LogPath) > 0 {
+		sentinelConf.Sentinel.Log.Dir = c.LogPath
+	}
+	_ = logging.ResetGlobalLogger(getWrappedLogger())
+
+	if err := sentinel.InitWithConfig(sentinelConf); err != nil {
+		return errors.Wrap(err, "rate limit init fail")
+	}
+	matcher.Init()
+
+	OnUpdate(c)
+	return nil
+}
+
+// OnUpdate update api & rule
+func OnUpdate(c *ratelimit.Config) {
+	OnResourcesUpdate(c.Resources)
+	OnRulesUpdate(c.Rules)
+}
+
+// OnRulesUpdate update rule
+func OnRulesUpdate(rules []ratelimit.Rule) {
+	var enableRules []*flow.Rule
+	for _, v := range rules {
+		if v.Enable {
+			enableRules = append(enableRules, &v.FlowRule)
+		}
+	}
+
+	if _, err := flow.LoadRules(enableRules); err != nil {
+		logger.Warnf("rate limit load rules err: %v", err)
+	}
+}
+
+// OnResourcesUpdate update matcher for resources
+func OnResourcesUpdate(apis []ratelimit.Resource) {
+	matcher.Load(apis)
+}
diff --git a/pkg/registry/load.go b/pkg/filter/ratelimit/init_test.go
similarity index 68%
copy from pkg/registry/load.go
copy to pkg/filter/ratelimit/init_test.go
index a13f789..a17772d 100644
--- a/pkg/registry/load.go
+++ b/pkg/filter/ratelimit/init_test.go
@@ -14,14 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package registry
 
-import "github.com/apache/dubbo-go/common"
+package ratelimit
 
-// Loader this interface defined for load services from different kinds registry, such as nacos,consul,zookeeper.
-type Loader interface {
-	// LoadAllServices load all services registered in registry
-	LoadAllServices() ([]*common.URL, error)
-	// GetCluster get the registry name
-	GetCluster() (string, error)
+import "testing"
+
+func TestInit(t *testing.T) {
+	c := GetMockedRateLimitConfig()
+	err := rateLimitInit(c)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestOnUpdate(t *testing.T) {
+	config := GetMockedRateLimitConfig()
+	OnUpdate(config)
 }
diff --git a/pkg/filter/ratelimit/logger_warpper.go b/pkg/filter/ratelimit/logger_warpper.go
new file mode 100644
index 0000000..b033792
--- /dev/null
+++ b/pkg/filter/ratelimit/logger_warpper.go
@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ratelimit
+
+import "github.com/apache/dubbo-go-pixiu/pkg/logger"
+
+// loggerWrapper
+type loggerWrapper struct {
+}
+
+// getWrappedLogger
+func getWrappedLogger() loggerWrapper {
+	return loggerWrapper{}
+}
+
+func (l loggerWrapper) Debug(msg string, keysAndValues ...interface{}) {
+	logger.Debugf(msg, keysAndValues)
+}
+
+func (l loggerWrapper) Info(msg string, keysAndValues ...interface{}) {
+	logger.Infof(msg, keysAndValues)
+}
+
+func (l loggerWrapper) Warn(msg string, keysAndValues ...interface{}) {
+	logger.Warnf(msg, keysAndValues)
+}
+
+func (l loggerWrapper) Error(err error, msg string, keysAndValues ...interface{}) {
+	logger.Warnf(msg, err, keysAndValues)
+}
+
+// InfoEnabled todo logger should implements this method
+func (l loggerWrapper) InfoEnabled() bool {
+	return true
+}
+
+func (l loggerWrapper) ErrorEnabled() bool {
+	return true
+}
+
+func (l loggerWrapper) DebugEnabled() bool {
+	return true
+}
+
+func (l loggerWrapper) WarnEnabled() bool {
+	return true
+}
diff --git a/samples/plugins/plugin/access.go b/pkg/filter/ratelimit/matcher/exact.go
similarity index 57%
copy from samples/plugins/plugin/access.go
copy to pkg/filter/ratelimit/matcher/exact.go
index c579ce2..275d062 100644
--- a/samples/plugins/plugin/access.go
+++ b/pkg/filter/ratelimit/matcher/exact.go
@@ -15,31 +15,43 @@
  * limitations under the License.
  */
 
-package main
+package matcher
 
 import (
-	"log"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config/ratelimit"
 )
 
 import (
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/context"
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/filter"
+	"sync"
 )
 
-func main() {}
+type Exact struct {
+	apiNames map[string]string
 
-// Access filter
-type Access struct{}
-
-// ExternalPluginAccess export filter
-func ExternalPluginAccess() filter.Filter {
-	return &Access{}
+	mu sync.RWMutex
 }
 
-// Do to export func(c context.Context)
-func (r *Access) Do() context.FilterFunc {
-	return func(c context.Context) {
-		log.Print("DoAccessFilter")
-		c.Next()
+func (p *Exact) load(apis []ratelimit.Resource) {
+	m := map[string]string{}
+
+	for _, api := range apis {
+		apiName := api.Name
+		for _, item := range api.Items {
+			if item.MatchStrategy == ratelimit.EXACT {
+				m[item.Pattern] = apiName
+			}
+		}
 	}
+
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	p.apiNames = m
+}
+
+func (p *Exact) match(path string) (string, bool) {
+	p.mu.RLock()
+	defer p.mu.RUnlock()
+
+	resourceName, ok := p.apiNames[path]
+	return resourceName, ok
 }
diff --git a/samples/plugins/plugin/access.go b/pkg/filter/ratelimit/matcher/matcher.go
similarity index 50%
copy from samples/plugins/plugin/access.go
copy to pkg/filter/ratelimit/matcher/matcher.go
index c579ce2..c64cbd6 100644
--- a/samples/plugins/plugin/access.go
+++ b/pkg/filter/ratelimit/matcher/matcher.go
@@ -15,31 +15,52 @@
  * limitations under the License.
  */
 
-package main
+package matcher
 
 import (
-	"log"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config/ratelimit"
 )
 
-import (
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/context"
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/filter"
-)
+var _matcher *Matcher
+
+// Init matcher
+func Init() {
+	_matcher = NewMatcher()
+}
 
-func main() {}
+//PathMatcher according the url path find APIResource name
+type PathMatcher interface {
+	load(apis []ratelimit.Resource)
 
-// Access filter
-type Access struct{}
+	match(path string) (string, bool)
+}
 
-// ExternalPluginAccess export filter
-func ExternalPluginAccess() filter.Filter {
-	return &Access{}
+type Matcher struct {
+	matchers []PathMatcher
+}
+
+func NewMatcher() *Matcher {
+	return &Matcher{
+		matchers: []PathMatcher{
+			&Exact{},
+			&Regex{},
+		},
+	}
+}
+
+// Load load api resource for matchers
+func Load(apis []ratelimit.Resource) {
+	for _, v := range _matcher.matchers {
+		v.load(apis)
+	}
 }
 
-// Do to export func(c context.Context)
-func (r *Access) Do() context.FilterFunc {
-	return func(c context.Context) {
-		log.Print("DoAccessFilter")
-		c.Next()
+// Match match resource via url path
+func Match(path string) (string, bool) {
+	for _, m := range _matcher.matchers {
+		if res, ok := m.match(path); ok {
+			return res, ok
+		}
 	}
+	return "", false
 }
diff --git a/samples/plugins/plugin/access.go b/pkg/filter/ratelimit/matcher/regex.go
similarity index 54%
copy from samples/plugins/plugin/access.go
copy to pkg/filter/ratelimit/matcher/regex.go
index c579ce2..1421855 100644
--- a/samples/plugins/plugin/access.go
+++ b/pkg/filter/ratelimit/matcher/regex.go
@@ -15,31 +15,49 @@
  * limitations under the License.
  */
 
-package main
+package matcher
 
 import (
-	"log"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config/ratelimit"
 )
 
 import (
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/context"
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/filter"
+	"regexp"
+	"sync"
 )
 
-func main() {}
+type Regex struct {
+	apiNames map[string]string
 
-// Access filter
-type Access struct{}
+	mu sync.RWMutex
+}
+
+func (p *Regex) load(apis []ratelimit.Resource) {
+	m := map[string]string{}
 
-// ExternalPluginAccess export filter
-func ExternalPluginAccess() filter.Filter {
-	return &Access{}
+	for _, api := range apis {
+		apiName := api.Name
+		for _, item := range api.Items {
+			if item.MatchStrategy == ratelimit.REGEX {
+				m[item.Pattern] = apiName
+			}
+		}
+	}
+
+	p.mu.Lock()
+	defer p.mu.Unlock()
+	p.apiNames = m
 }
 
-// Do to export func(c context.Context)
-func (r *Access) Do() context.FilterFunc {
-	return func(c context.Context) {
-		log.Print("DoAccessFilter")
-		c.Next()
+func (p *Regex) match(path string) (string, bool) {
+	p.mu.RLock()
+	defer p.mu.RUnlock()
+
+	for k, v := range p.apiNames {
+		matched, _ := regexp.MatchString(k, path)
+		if matched {
+			return v, true
+		}
 	}
+	return "", false
 }
diff --git a/pkg/filter/ratelimit/matcher_test.go b/pkg/filter/ratelimit/matcher_test.go
new file mode 100644
index 0000000..e170970
--- /dev/null
+++ b/pkg/filter/ratelimit/matcher_test.go
@@ -0,0 +1,80 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ratelimit
+
+import (
+	"github.com/apache/dubbo-go-pixiu/pkg/filter/ratelimit/matcher"
+)
+
+import (
+	"github.com/stretchr/testify/assert"
+)
+
+import (
+	"testing"
+)
+
+func TestMatch(t *testing.T) {
+	config := GetMockedRateLimitConfig()
+	matcher.Init()
+	matcher.Load(config.Resources)
+
+	tests := []struct {
+		give    string
+		matched bool
+		res     string
+	}{
+		{
+			give:    "/api/v1/test-dubbo/user",
+			matched: true,
+			res:     "test-dubbo",
+		},
+		{
+			give:    "/api/v1/test-dubbo/user/getInfo",
+			matched: true,
+			res:     "test-dubbo",
+		},
+		{
+			give:    "/api/v1/test-dubbo/A",
+			matched: false,
+			res:     "",
+		},
+		{
+			give:    "/api/v1/http/foo",
+			matched: true,
+			res:     "test-http",
+		},
+		{
+			give:    "/api/v1/http/bar/1.json",
+			matched: true,
+			res:     "test-http",
+		},
+		{
+			give:    "/api/v1/http",
+			matched: false,
+			res:     "",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.give, func(t *testing.T) {
+			res, ok := matcher.Match(tt.give)
+			assert.Equal(t, res, tt.res)
+			assert.Equal(t, ok, tt.matched)
+		})
+	}
+}
diff --git a/pkg/filter/ratelimit/mock.go b/pkg/filter/ratelimit/mock.go
new file mode 100644
index 0000000..518f967
--- /dev/null
+++ b/pkg/filter/ratelimit/mock.go
@@ -0,0 +1,57 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ratelimit
+
+import (
+	"github.com/alibaba/sentinel-golang/core/flow"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config/ratelimit"
+)
+
+func GetMockedRateLimitConfig() *ratelimit.Config {
+	c := ratelimit.Config{
+		Resources: []ratelimit.Resource{
+			{
+				Name: "test-dubbo",
+				Items: []ratelimit.Item{
+					{MatchStrategy: ratelimit.EXACT, Pattern: "/api/v1/test-dubbo/user"},
+					{MatchStrategy: ratelimit.REGEX, Pattern: "/api/v1/test-dubbo/user/*"},
+				},
+			},
+			{
+				Name: "test-http",
+				Items: []ratelimit.Item{
+					{MatchStrategy: ratelimit.EXACT, Pattern: "/api/v1/http/foo"},
+					{MatchStrategy: ratelimit.EXACT, Pattern: "/api/v1/http/bar"},
+
+					{MatchStrategy: ratelimit.REGEX, Pattern: "/api/v1/http/foo/*"},
+					{MatchStrategy: ratelimit.REGEX, Pattern: "/api/v1/http/bar/*"},
+				},
+			},
+		},
+		Rules: []ratelimit.Rule{
+			{
+				Enable: true,
+				FlowRule: flow.Rule{
+					Threshold:        100,
+					StatIntervalInMs: 1000,
+				},
+			},
+		},
+	}
+	return &c
+}
diff --git a/pkg/filter/ratelimit/rate_limit.go b/pkg/filter/ratelimit/rate_limit.go
new file mode 100644
index 0000000..4bbf8cd
--- /dev/null
+++ b/pkg/filter/ratelimit/rate_limit.go
@@ -0,0 +1,89 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ratelimit
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+import (
+	sentinel "github.com/alibaba/sentinel-golang/api"
+	"github.com/alibaba/sentinel-golang/core/base"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config/ratelimit"
+	fc "github.com/dubbogo/dubbo-go-pixiu-filter/pkg/context"
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/filter"
+)
+
+import (
+	"github.com/apache/dubbo-go-pixiu/pkg/client"
+	"github.com/apache/dubbo-go-pixiu/pkg/common/constant"
+	"github.com/apache/dubbo-go-pixiu/pkg/common/extension"
+	contexthttp "github.com/apache/dubbo-go-pixiu/pkg/context/http"
+	"github.com/apache/dubbo-go-pixiu/pkg/filter/ratelimit/matcher"
+	"github.com/apache/dubbo-go-pixiu/pkg/logger"
+)
+
+// Init cache the filter func & init sentinel
+func Init(config *ratelimit.Config) {
+	if err := rateLimitInit(config); err != nil {
+		logger.Errorf("rate limit init fail: %v", err)
+
+		//if sentinel init fail, just return a empty filter func to avoid error.
+		extension.SetFilterFunc(constant.RateLimitFilter, func(context fc.Context) {})
+		return
+	}
+
+	extension.SetFilterFunc(constant.RateLimitFilter, New().Do())
+}
+
+// rateLimit
+type rateLimit struct {
+}
+
+// New create the rate limit filter
+func New() filter.Filter {
+	return &rateLimit{}
+}
+
+// Do extract the url target & pass or block it.
+func (r *rateLimit) Do() fc.FilterFunc {
+	return func(ctx fc.Context) {
+		hc := ctx.(*contexthttp.HttpContext)
+
+		path := hc.GetAPI().URLPattern
+		resourceName, ok := matcher.Match(path)
+		//if not exists, just skip it.
+		if !ok {
+			return
+		}
+
+		entry, blockErr := sentinel.Entry(resourceName, sentinel.WithResourceType(base.ResTypeAPIGateway), sentinel.WithTrafficType(base.Inbound))
+
+		//if blockErr not nil, indicates the request was blocked by Sentinel
+		if blockErr != nil {
+			bt, _ := json.Marshal(filter.ErrResponse{Message: "blocked by rate limit"})
+			hc.SourceResp = bt
+			hc.TargetResp = &client.Response{Data: bt}
+			hc.WriteJSONWithStatus(http.StatusTooManyRequests, bt)
+			hc.Abort()
+			return
+		}
+		defer entry.Exit()
+	}
+}
diff --git a/pkg/initialize/init.go b/pkg/initialize/init.go
index cae2786..ca90e3b 100644
--- a/pkg/initialize/init.go
+++ b/pkg/initialize/init.go
@@ -21,6 +21,8 @@ import (
 	"github.com/apache/dubbo-go-pixiu/pkg/filter/api"
 	"github.com/apache/dubbo-go-pixiu/pkg/filter/authority"
 	"github.com/apache/dubbo-go-pixiu/pkg/filter/logger"
+	"github.com/apache/dubbo-go-pixiu/pkg/filter/plugins"
+	"github.com/apache/dubbo-go-pixiu/pkg/filter/ratelimit"
 	"github.com/apache/dubbo-go-pixiu/pkg/filter/recovery"
 	"github.com/apache/dubbo-go-pixiu/pkg/filter/remote"
 	"github.com/apache/dubbo-go-pixiu/pkg/filter/response"
@@ -28,13 +30,17 @@ import (
 	sa "github.com/apache/dubbo-go-pixiu/pkg/service/api"
 )
 
+import (
+	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config"
+)
+
 // Run start init.
-func Run() {
-	filterInit()
+func Run(config config.APIConfig) {
+	filterInit(&config)
 	apiDiscoveryServiceInit()
 }
 
-func filterInit() {
+func filterInit(config *config.APIConfig) {
 	api.Init()
 	authority.Init()
 	logger.Init()
@@ -42,6 +48,8 @@ func filterInit() {
 	remote.Init()
 	response.Init()
 	timeout.Init()
+	ratelimit.Init(&config.RateLimit)
+	plugins.Init(config.PluginsGroup, config.PluginFilePath, config.Resources)
 }
 
 func apiDiscoveryServiceInit() {
diff --git a/pkg/pixiu/listener.go b/pkg/pixiu/listener.go
index 552fddd..a45bb39 100644
--- a/pkg/pixiu/listener.go
+++ b/pkg/pixiu/listener.go
@@ -155,6 +155,8 @@ func addFilter(ctx *h.HttpContext, api router.API) {
 	if alc.Enable {
 		ctx.AppendFilterFunc(extension.GetMustFilterFunc(constant.AccessLogFilter))
 	}
+	ctx.AppendFilterFunc(extension.GetMustFilterFunc(constant.RateLimitFilter))
+
 	switch api.Method.IntegrationRequest.RequestType {
 	// TODO add some basic filter for diff protocol
 	case fc.DubboRequest:
diff --git a/pkg/pixiu/pixiu_start.go b/pkg/pixiu/pixiu_start.go
index 14a5207..254eca7 100644
--- a/pkg/pixiu/pixiu_start.go
+++ b/pkg/pixiu/pixiu_start.go
@@ -76,11 +76,11 @@ func (p *PX) Start() {
 }
 
 func (p *PX) beforeStart() {
-	initialize.Run()
-
 	dubbo.SingletonDubboClient().Init()
 
 	api.InitAPIsFromConfig(config.GetAPIConf())
+
+	initialize.Run(config.GetAPIConf())
 }
 
 // NewPX create pixiu
diff --git a/pkg/registry/consul.go b/pkg/registry/consul.go
index 0d9dae5..58d8b9c 100644
--- a/pkg/registry/consul.go
+++ b/pkg/registry/consul.go
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package registry
 
 import (
diff --git a/pkg/registry/consul_test.go b/pkg/registry/consul_test.go
index affd58f..a366cce 100644
--- a/pkg/registry/consul_test.go
+++ b/pkg/registry/consul_test.go
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package registry
 
 import (
diff --git a/pkg/registry/load.go b/pkg/registry/load.go
index a13f789..8548f99 100644
--- a/pkg/registry/load.go
+++ b/pkg/registry/load.go
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package registry
 
 import "github.com/apache/dubbo-go/common"
diff --git a/pkg/registry/util.go b/pkg/registry/util.go
index e860b9c..dd00661 100644
--- a/pkg/registry/util.go
+++ b/pkg/registry/util.go
@@ -14,15 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package registry
 
 import (
+	"github.com/apache/dubbo-go/common"
 	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/api/config"
 )
 
 import (
 	"github.com/apache/dubbo-go-pixiu/pkg/common/constant"
-	"github.com/apache/dubbo-go/common"
 )
 
 // TransferURL2Api transfer url and clusterName to IntegrationRequest
diff --git a/pkg/registry/zookeeper.go b/pkg/registry/zookeeper.go
index 517999c..f84f43e 100644
--- a/pkg/registry/zookeeper.go
+++ b/pkg/registry/zookeeper.go
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package registry
 
 import (
@@ -23,12 +24,9 @@ import (
 )
 
 import (
-	"github.com/apache/dubbo-go/common"
-	"github.com/apache/dubbo-go/remoting/zookeeper"
-)
-
-import (
 	"github.com/apache/dubbo-go-pixiu/pkg/logger"
+	"github.com/apache/dubbo-go/common"
+	zookeeper "github.com/dubbogo/gost/database/kv/zk"
 )
 
 const (
@@ -48,7 +46,7 @@ type ZookeeperRegistryLoad struct {
 }
 
 func newZookeeperRegistryLoad(address, cluster string) (Loader, error) {
-	newClient, err := zookeeper.NewZookeeperClient("zkClient", strings.Split(address, ","), 15*time.Second)
+	newClient, err := zookeeper.NewZookeeperClient("zkClient", strings.Split(address, ","), false, zookeeper.WithZkTimeOut(15*time.Second))
 	if err != nil {
 		logger.Warnf("newZookeeperClient error:%v", err)
 		return nil, err
diff --git a/pkg/registry/zookeeper_test.go b/pkg/registry/zookeeper_test.go
index c1197d3..d03ff12 100644
--- a/pkg/registry/zookeeper_test.go
+++ b/pkg/registry/zookeeper_test.go
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package registry
 
 import (
@@ -23,13 +24,12 @@ import (
 	"strings"
 	"testing"
 	"time"
-)
 
-import (
 	"github.com/apache/dubbo-go/common"
 	"github.com/apache/dubbo-go/common/constant"
-	"github.com/apache/dubbo-go/remoting/zookeeper"
 	"github.com/dubbogo/go-zookeeper/zk"
+
+	zookeeper "github.com/dubbogo/gost/database/kv/zk"
 	"github.com/stretchr/testify/assert"
 )
 
diff --git a/pkg/service/api/discovery_service.go b/pkg/service/api/discovery_service.go
index d685b15..52b6e3d 100644
--- a/pkg/service/api/discovery_service.go
+++ b/pkg/service/api/discovery_service.go
@@ -77,11 +77,9 @@ func (ads *LocalMemoryAPIDiscoveryService) ClearAPI() error {
 // APIConfigChange to response to api config change
 func (ads *LocalMemoryAPIDiscoveryService) APIConfigChange(apiConfig config.APIConfig) bool {
 	ads.ClearAPI()
-	// load pluginsGroup
-	plugins.InitPluginsGroup(apiConfig.PluginsGroup, apiConfig.PluginFilePath)
-	// init plugins from resource
-	plugins.InitAPIURLWithFilterChain(apiConfig.Resources)
 	loadAPIFromResource("", apiConfig.Resources, nil, ads)
+
+	plugins.Init(apiConfig.PluginsGroup, apiConfig.PluginFilePath, apiConfig.Resources)
 	return true
 }
 
@@ -93,10 +91,6 @@ func InitAPIsFromConfig(apiConfig config.APIConfig) error {
 	}
 	// register config change listener
 	pc.RegisterConfigListener(localAPIDiscSrv)
-	// load pluginsGroup
-	plugins.InitPluginsGroup(apiConfig.PluginsGroup, apiConfig.PluginFilePath)
-	// init plugins from resource
-	plugins.InitAPIURLWithFilterChain(apiConfig.Resources)
 	return loadAPIFromResource("", apiConfig.Resources, nil, localAPIDiscSrv)
 }
 
diff --git a/samples/plugins/Dockerfile b/samples/plugins/hotswap/Dockerfile
similarity index 95%
rename from samples/plugins/Dockerfile
rename to samples/plugins/hotswap/Dockerfile
index 8fafc37..83bb122 100644
--- a/samples/plugins/Dockerfile
+++ b/samples/plugins/hotswap/Dockerfile
@@ -23,6 +23,6 @@ ENV GOPROXY https://goproxy.cn
 
 WORKDIR ${HOME}
 
-COPY . ${HOME}
+COPY .. ${HOME}
 
 CMD ["/bin/bash", "start.sh"]
\ No newline at end of file
diff --git a/samples/plugins/README.md b/samples/plugins/hotswap/README.md
similarity index 100%
rename from samples/plugins/README.md
rename to samples/plugins/hotswap/README.md
diff --git a/samples/plugins/README_CN.md b/samples/plugins/hotswap/README_CN.md
similarity index 96%
rename from samples/plugins/README_CN.md
rename to samples/plugins/hotswap/README_CN.md
index a013f88..0f5a44c 100644
--- a/samples/plugins/README_CN.md
+++ b/samples/plugins/hotswap/README_CN.md
@@ -23,7 +23,7 @@
 
 
 ### 创建你的Plugin Filter
-这里有一些[例子](./plugin)可供参考。
+这里有一些[例子](plugin)可供参考。
 
 
 
diff --git a/samples/plugins/config/api_config.yaml b/samples/plugins/hotswap/config/api_config.yaml
similarity index 100%
rename from samples/plugins/config/api_config.yaml
rename to samples/plugins/hotswap/config/api_config.yaml
diff --git a/samples/plugins/config/conf.yaml b/samples/plugins/hotswap/config/conf.yaml
similarity index 100%
rename from samples/plugins/config/conf.yaml
rename to samples/plugins/hotswap/config/conf.yaml
diff --git a/samples/plugins/go.mod b/samples/plugins/hotswap/go.mod
similarity index 100%
rename from samples/plugins/go.mod
rename to samples/plugins/hotswap/go.mod
diff --git a/samples/plugins/plugin/access.go b/samples/plugins/hotswap/plugin/access.go
similarity index 100%
rename from samples/plugins/plugin/access.go
rename to samples/plugins/hotswap/plugin/access.go
diff --git a/samples/plugins/plugin/rate_limit.go b/samples/plugins/hotswap/plugin/rate_limit.go
similarity index 100%
rename from samples/plugins/plugin/rate_limit.go
rename to samples/plugins/hotswap/plugin/rate_limit.go
diff --git a/samples/plugins/plugin/trace.go b/samples/plugins/hotswap/plugin/trace.go
similarity index 100%
copy from samples/plugins/plugin/trace.go
copy to samples/plugins/hotswap/plugin/trace.go
diff --git a/samples/plugins/start.sh b/samples/plugins/hotswap/start.sh
similarity index 100%
rename from samples/plugins/start.sh
rename to samples/plugins/hotswap/start.sh
diff --git a/samples/plugins/index.md b/samples/plugins/index.md
new file mode 100644
index 0000000..fb5ab36
--- /dev/null
+++ b/samples/plugins/index.md
@@ -0,0 +1,4 @@
+## Plugins
+
+* [hotswap](hotswap/README.md)
+* [rate limit](ratelimit/README.md)
\ No newline at end of file
diff --git a/samples/plugins/ratelimit/README.md b/samples/plugins/ratelimit/README.md
new file mode 100644
index 0000000..696fc73
--- /dev/null
+++ b/samples/plugins/ratelimit/README.md
@@ -0,0 +1,48 @@
+# This sample for rate limit filter.
+
+[中文](README_CN.md)
+
+The current limiting filter can provide out-of-the-box current limiting function to ensure service stability.
+
+> The filter based on [Sentinel](https://github.com/alibaba/sentinel-golang), see more here [Wiki](https://sentinelguard.io/zh-cn/docs/introduction.html) .
+
+
+
+### Create the API:
+- Create a simple Http API,Reference the [Create a simple Http API](../../dubbogo/http/README.md),then we got a path.
+
+- just test it: `curl http://localhost:8888/api/v1/test-dubbo/user?name=tc -X GET `
+
+### Protect the API:
+#### rate limit config [click here](../../../pkg/filter/ratelimit/mock/config.yml)
+- The first step,Define the resources to be protected. A resource can contain one or more matching paths.
+
+  Here, what we want to protect is an exact path, as defined below. Of course, we also support regex, just set matchStrategy to 1.
+```
+resources:
+  - name: test-http
+    items:
+      #Exact
+      - matchStrategy: 0
+        pattern: "/api/v1/test-dubbo/user"
+      #Regex
+      - matchStrategy: 1
+        pattern: "/api/*/test-dubbo/user"
+```
+
+- The second step is to set the rules. for example, the threshold is 100, and the statistical statintervalinms is 1000ms, which means that the qps/tps of the `resource` will not exceed 100.
+```
+rules:
+  #qps sample At most 100 requests can be passed in 1000ms, so qps is 100
+  - resource: "test-dubbo"
+    enable: true
+    threshold: 100
+    statintervalinms: 1000
+```
+
+### Test:
+
+- For a simpler test, we set qps to 1
+
+- run [test](test.go) and check output.
+
diff --git a/samples/plugins/ratelimit/README_CN.md b/samples/plugins/ratelimit/README_CN.md
new file mode 100644
index 0000000..08cd130
--- /dev/null
+++ b/samples/plugins/ratelimit/README_CN.md
@@ -0,0 +1,44 @@
+# 限流插件
+限流过滤器可以提供开箱即用的限流功能,保障服务稳定性。
+
+> 限流功能基于 [Sentinel](https://github.com/alibaba/sentinel-golang), 更详细的配置请参照 [Wiki](https://sentinelguard.io/zh-cn/docs/introduction.html) 。
+
+
+
+### 创建你的API:
+- 创建一个简单的API,参考[创建一个简单的Http API](../../dubbogo/http/README.md),然后我们获得了一个可访问的路径
+
+- 然后测试一下: `curl http://localhost:8888/api/v1/test-dubbo/user?name=tc -X GET `
+
+### 保护你的API:
+#### rate limit config [查看全文](../../../pkg/filter/ratelimit/mock/config.yml)
+- 第一步,定义要保护的资源,一个资源可以包含一或更多个匹配的路径。
+  
+  在这里,我们要保护的是一个确切的路径,如下的定义即可。当然,我们也支持正则匹配,只要把matchStrategy设为1。
+```
+resources:
+  - name: test-http
+    items:
+      #精确匹配
+      - matchStrategy: 0
+        pattern: "/api/v1/test-dubbo/user"
+      #正则匹配
+      - matchStrategy: 1
+        pattern: "/api/*/test-dubbo/user"
+```
+
+- 第二步,设置限流的规则,例如上限设置为100,统计周期为1000ms,这意味着这个`资源`的qps/tps最高只能达到100。
+```
+rules:
+  #qps sample At most 100 requests can be passed in 1000ms, so qps is 100
+  - resource: "test-dubbo"
+    enable: true
+    threshold: 100
+    statintervalinms: 1000
+```
+
+### 测试:
+
+- 为了更简单的测试,我们把qps设置为1
+
+- 运行[并发测试](test.go)并查看输出
\ No newline at end of file
diff --git a/samples/plugins/plugin/trace.go b/samples/plugins/ratelimit/test.go
similarity index 62%
rename from samples/plugins/plugin/trace.go
rename to samples/plugins/ratelimit/test.go
index 055b6a5..12c2bbf 100644
--- a/samples/plugins/plugin/trace.go
+++ b/samples/plugins/ratelimit/test.go
@@ -18,21 +18,33 @@
 package main
 
 import (
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/context"
-	"github.com/dubbogo/dubbo-go-pixiu-filter/pkg/filter"
+	"fmt"
+	"net/http"
+	"time"
 )
 
-// Trace filter
-type Trace struct{}
+func main() {
+	client := &http.Client{Timeout: time.Second * 2}
+	url := "http://localhost:8888/api/v1/test-dubbo/user?name=tc"
 
-// ExternalPluginTrace export filter
-func ExternalPluginTrace() filter.Filter {
-	return &Trace{}
+	ch := make(chan interface{})
+	for i := 0; i < 5; i++ {
+		go func() {
+			for {
+				access(client, url)
+			}
+		}()
+	}
+	<-ch
 }
 
-// Do to export func(c context.Context)
-func (r *Trace) Do() context.FilterFunc {
-	return func(c context.Context) {
-		c.AddHeader("trace", "dubbo go pixiu")
+func access(c *http.Client, url string) {
+	res, err := c.Get(url)
+	time.Sleep(time.Millisecond * 100)
+	if err != nil {
+		fmt.Println(time.Now(), "blocked", err.Error())
+		return
 	}
+	fmt.Println(time.Now(), "passed")
+	_ = res.Body.Close()
 }