集群端口监控 Grafana 3000 Web 监控服务对外服务和客户端(浏览器)访问端口 Grafana 8686 grafana_collector 通信端口，用于将 Dashboard 导出为 PDF 格式 Kafka_exporter 9308 Kafka_exporter 通信端口，用于监控 binlog kafka 集群 TiDB 提供了基于 Prometheus 和 Grafana 技术平台作为 bootstrap.yml 4. 部署 TiDB 集群软件 1. ansible-playbook deploy.yml 注：Grafana Dashboard 上的 Report 按钮可用来生成 PDF 文件，此功能依赖 fontconfig 包和英文字体。如需使用该功能，登录 grafana_servers 机器，用以下命令安装： 1. $ sudo yum install fontconfig 监控服务对外服务和客户端(浏览 器)访问端口 Grafana grafana_collector_port 8686 grafana_collector 通信端口，用 于将 Dashboard 导出为 PDF 格式 Kafka_exporter kafka_exporter_port 9308 Kafka_exporter 通信端口，用于监 控 binlog Kafka 集群 修改 inventory

0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

Audit log enhancement �→ ( [user guide](https://static.pingcap.com/files �→ /2023/09/18204824/TiDB-Database-Auditing-User-Guide1.pdf). This �→ feature is included in TiDB Enterprise Edition. To use this feature, �→ navigate to the [TiDB Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken

0-DMR, and 7.4.0-DMR. When you upgrade from 7.1.x to 7.5.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR, and 7.4.0-DMR. When you upgrade from 7.1.x to 7.5.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from and 7.4.0-DMR. When you upgrade from 7.1.x 5573 to 7.5.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from and 7.4.0-DMR. When you upgrade from 7.1.x 5396 to 7.5.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from and 7.4.0-DMR. When you upgrade from 7.1.x 5453 to 7.5.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

Grafana instance. 9.5.2 FAQs 9.5.2.1 What is the advantage of this tool compared with screenshot or PDF printing? The snapshot files exported by MetricsTool contain the actual values when they are taken 0-DMR and 8.0.0-DMR. When you upgrade from 7.5.x to 8.1.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from and 7.4.0-DMR. When you upgrade from 7.1.x 5552 to 7.5.0, you can download the TiDB Release Notes PDF to view all release notes between the two LTS versions. The following table lists some highlights from

版本），8.1.0 版本包含7.6.0-DMR 和8.0.0-DMR 中已发布的新功能、提升改进和错误修 复。当你从 7.5.x 升级到 8.1.0 时，可以下载 TiDB Release Notes PDF 查看两个 LTS 版本之间的所有 Release Notes。下 表列出了从 7.6.0 到 8.1.0 的一些关键特性： 分类 功能 描述 9.5.2.1 与直接截图及导出 PDF 相比，MetricTool 有什么优势？ MetricsTool 导出的快照文件包含快照生成时的监控指标实际数值。你可以通过 Visualizer 与渲染的图表进行交 互，比如切换序列、选择一个较小的时间范围以及检查特定时间点的监控数据值等，就像在操作一个实际的 Grafana Dashboard 一样，因此它比 PDF 文件和截图更强大。 9.5.2 版本），8.1.0 版本包含7.6.0-DMR 和8.0.0-DMR 中已发布的新功能、提升改进和错误修 复。当你从 7.5.x 升级到 8.1.0 时，可以下载 TiDB Release Notes PDF 查看两个 LTS 版本之间的所有 Release Notes。下 表列出了从 7.6.0 到 8.1.0 的一些关键特性： 分类 功能 描述