版本：7.0.0

描述

SkyWalking的配置大多数是通过config/application.yml和环境变量来实现。
但是其中有一部分支持通过配置中心动态配置。
目前动态配置的有：

配置key

描述

示例

receiver-trace.default.slowDBAccessThreshold

慢SQL阈值，覆盖application.yml里面receiver-trace/default/slowDBAccessThreshold

default:200,mongodb:50

receiver-trace.default.uninstrumentedGateways

覆盖gateway.yml

详情见gateway.yml

alarm.default.alarm-settings

告警配置，覆盖alarm-settings.yml

详情见alarm-settings.yml

core.default.apdexThreshold

满意阈值配置，覆盖service-apdex-threshold.yml

详情见service-apdex-threshold.yml

动态配置默认是关闭。支持的配置中心有apollo, nacos, zookeeper, etcd, consul。

配置

在application.yml文件下，configuration模块，8.x版本貌似因为安全问题移除了nacos。

Apollo实现

1configuration:
2  selector: ${SW_CONFIGURATION:apollo}
3  apollo:
4    apolloMeta: <your apollo meta address>
5    apolloCluster: default
6    appId: skywalking
7    period: 5

Nacos 实现（8.x版本因为安全问题移除了）

1configuration:
2  selector: ${SW_CONFIGURATION:nacos}
3  nacos:
4    serverAddr: 127.0.0.1
5    port: 8848
6    group: 'skywalking'
7    namespace: ''
8    period : 60
9    clusterName: "default"
10  # ... other configurations

Zookeeper 实现

1configuration:
2  selector: ${SW_CONFIGURATION:zookeeper}
3  zookeeper:
4    period : 60 # Unit seconds, sync period. Default fetch every 60 seconds.
5    nameSpace: /default
6    hostPort: localhost:2181
7    baseSleepTimeMs: 1000 # initial amount of time to wait between retries
8    maxRetries: 3 # max number of times to retry
9  # ... other configurations

Etcd 实现

1configuration:
2  selector: ${SW_CONFIGURATION:etcd}
3  etcd:
4    period : 60 # Unit seconds, sync period. Default fetch every 60 seconds.
5    group :  'skywalking'
6    serverAddr: localhost:2379
7    clusterName: "default"
8  # ... other configurations

Consul 实现

1configuration:
2  selector: ${SW_CONFIGURATION:consul}
3  consul:
4    # Consul host and ports, separated by comma, e.g. 1.2.3.4:8500,2.3.4.5:8500
5    hostAndPorts: 127.0.0.1:8500
6    # Sync period in seconds. Defaults to 60 seconds.
7    period: 60
8    # aclToken of connection consul (optional)
9    aclToken: ${consul.aclToken}
10  # ... other configurations