cku328 commented on a change in pull request #2994: URL: https://github.com/apache/ozone/pull/2994#discussion_r787795618
########## File path: hadoop-hdds/docs/content/feature/Observability.zh.md ########## @@ -0,0 +1,215 @@ +--- +title: "可观察性" +weight: 8 +menu: +main: +parent: 特性 +summary: Ozone 的不同工具来提高可观察性 +--- +<!--- + 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. +--> + +Ozone 提供了多种工具来获取有关集群当前状态的更多信息。 + +## Prometheus +Ozone 原生支持 Prometheus 集成。所有内部指标（由 Hadoop 指标框架收集）都发布在 `/prom` HTTP 端点下。（例如，在 SCM 的 http://localhost:9876/prom 下）。 + +Prometheus 端点默认打开，但可以通过`hdds.prometheus.endpoint.enabled`配置变量关闭。 + +在安全环境中，该页面由 Prometheus 不支持的 SPNEGO 身份验证保护。要在安全环境中启用监控，可以配置特定的身份验证令牌 + +`ozone-site.xml` 范例： +```XML +<property> + <name>hdds.prometheus.endpoint.token</name> + <value>putyourtokenhere</value> +</property> +``` + +prometheus 设定范例： +```YAML +scrape_configs: + - job_name: ozone + bearer_token: <putyourtokenhere> + metrics_path: /prom + static_configs: + - targets: + - "127.0.0.1:9876" +``` + +## 分布式追踪 +分布式追踪可以通过可视化端到端性能来帮助理解性能瓶颈。 + +Ozone 使用 [jaeger](https://jaegertracing.io) 跟踪库收集跟踪，可以将跟踪数据发送到任何兼容的后端(Zipkin，…)。 + +跟踪在默认情况下是关闭的，但是可以从 `ozone-site.xml` 打开 `hdds.tracing.enabled` + +```XML +<property> + <name>hdds.tracing.enabled</name> + <value>true</value> +</property> +``` + +Jager客户端可以用环境变量进行配置，如[这里](https://github.com/jaegertracing/jaeger-client-java/blob/master/jaeger-core/README.md)所记录的： + +例如： +```shell +JAEGER_SAMPLER_PARAM=0.01 +JAEGER_SAMPLER_TYPE=probabilistic +JAEGER_AGENT_HOST=jaeger +``` + +此配置将记录1%的请求，以限制性能开销。有关jaeger抽样的更多信息，请查看[文档](https://www.jaegertracing.io/docs/1.18/sampling/#client-sampling-configuration) + +## ozone insight Review comment: ```suggestion ## Ozone Insight ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
