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Monitor TDengine database with alerts

TDinsight - A Zero-dependency Monitoring Solution For TDengine with Grafana


At least, you must have a single-node TDengine server or a TDengine cluster with multiple nodes, and a server host for Grafana. This dashboard requires new log database(since v2.3.3.0), including cluster_info dnodes_info vgroups_info tables and so on.

Install Grafana

The feature-rich Grafana dashboard for TDengine (cluster or not) requires Grafana 7.x or 8.x, so we recommend to use the latest Grafana 7/8 version here. You can install Grafana in any supported OS, follow the installation instructions.

Install Grafana on Debian or Ubuntu

For Debian or Ubuntu os, the first option is to use grafana APT repository. Here is how-to install it from scratch:

sudo apt-get install -y apt-transport-https
sudo apt-get install -y software-properties-common wget
wget -q -O - https://packages.grafana.com/gpg.key |\
  sudo apt-key add -
echo "deb https://packages.grafana.com/oss/deb stable main" |\
  sudo tee -a /etc/apt/sources.list.d/grafana.list
sudo apt-get update
sudo apt-get install grafana

Install Grafana on CentOS/RHEL

You can install it from the official YUM repository.

sudo tee /etc/yum.repos.d/grafana.repo << EOF
sudo yum install grafana

Or install with RPM:

wget https://dl.grafana.com/oss/release/grafana-7.5.11-1.x86_64.rpm
sudo yum install grafana-7.5.11-1.x86_64.rpm
# it's ok to use in one line
sudo yum install \

Setup TDinsight Automatically

We’ve created a TDinsight.sh script for automation with Grafana provisioning strategy.

You can download the script by wget or other tools:

wget https://github.com/taosdata/grafanaplugin/releases/latest/download/TDinsight.sh
chmod +x TDinsight.sh

This script will automatically download the latest TDengine data source plugin and TDinsight dashboard, covert them to provisioning configurations and setup TDinsight dashboard. With some more alert options, you will get the alert notification feature within an one-line command.

For the most simple use case, suppose you’re serving TDengine and Grafana on the same host with both default options. Running ./TDinsight.sh and opening Grafana url are the only things you need to setup TDsight.

Here is the usage of TDinsight.sh:

   ./TDinsight.sh -h|--help
   ./TDinsight.sh -n <ds-name> -a <api-url> -u <user> -p <password>

Install and configure TDinsight dashboard in Grafana on ubuntu 18.04/20.04 system.

-h, -help,          --help                  Display help

-V, -verbose,       --verbose               Run script in verbose mode. Will print out each step of execution.

-v, --plugin-version <version>              TDengine datasource plugin version, [default: latest]

-P, --grafana-provisioning-dir <dir>        Grafana provisioning directory, [default: /etc/grafana/provisioning/]
-G, --grafana-plugins-dir <dir>             Grafana plugins directory, [default: /var/lib/grafana/plugins]
-O, --grafana-org-id <number>               Grafana orgnization id. [default: 1]

-n, --tdengine-ds-name <string>             TDengine datasource name, no space. [default: TDengine]
-a, --tdengine-api <url>                    TDengine REST API endpoint. [default:]
-u, --tdengine-user <string>                TDengine user name. [default: root]
-p, --tdengine-password <string>            TDengine password. [default: taosdata]

-i, --tdinsight-uid <string>                Replace with a non-space ascii code as the dashboard id. [default: tdinsight]
-t, --tdinsight-title <string>              Dashboard title. [default: TDinsight]
-e, --tdinsight-editable                    If the provisioning dashboard could be editable. [default: false]

-E, --external-notifier <string>            Apply external notifier uid to TDinsight dashboard.

Aliyun SMS as Notifier:
-s, --sms-enabled                           To enable tdengine-datasource plugin builtin aliyun sms webhook.
-N, --sms-notifier-name <string>            Provisioning notifier name.[default: TDinsight Builtin SMS]
-U, --sms-notifier-uid <string>             Provisioning notifier uid, use lowercase notifier name by default.
-D, --sms-notifier-is-default               Set notifier as default.
-I, --sms-access-key-id <string>            Aliyun sms access key id
-K, --sms-access-key-secret <string>        Aliyun sms access key secret
-S, --sms-sign-name <string>                Sign name
-C, --sms-template-code <string>            Template code
-T, --sms-template-param <string>           Template param, a escaped json string like '{"alarm_level":"%s","time":"%s","name":"%s","content":"%s"}'
-B, --sms-phone-numbers <string>            Comma-separated numbers list, eg "189xxxxxxxx,132xxxxxxxx"
-L, --sms-listen-addr <string>              [default:]

Most of the CLI options are environment variable recognizable.

-v–plugin-versionTDENGINE_PLUGIN_VERSIONTDengine datasource plugin version, default is latest.
-P–grafana-provisioning-dirGF_PROVISIONING_DIRGrafana provisioning directory, [default: /etc/grafana/provisioning/]
-G–grafana-plugins-dirGF_PLUGINS_DIRGrafana plugins directory, default is /var/lib/grafana/plugins.
-O–grafana-org-idGF_ORG_IDGrafana organization id, default is 1.
-n–tdengine-ds-nameTDENGINE_DS_NAMETDengine datasource name, default is TDengine.
-a–tdengine-apiTDENGINE_APITDengine REST API endpoint. default is
-u–tdengine-userTDENGINE_USERTDengine user name. [default: root]
-p–tdengine-passwordTDENGINE_PASSWORDTDengine password. [default: taosdata]
-i–tdinsight-uidTDINSIGHT_DASHBOARD_UIDTDinsight dashboard uid. [default: tdinsight]
-t–tdinsight-titleTDINSIGHT_DASHBOARD_TITLETDinsight dashboard title. [default: TDinsight]
-e–tdinsight-editableTDINSIGHT_DASHBOARD_EDITABLEIf the provisioning dashboard could be editable. [default: false]
-E–external-notifierEXTERNAL_NOTIFIERApply external notifier uid to TDinsight dashboard.
-s–sms-enabledSMS_ENABLEDTo enable tdengine-datasource plugin builtin aliyun sms webhook.
-N–sms-notifier-nameSMS_NOTIFIER_NAMEProvisioning notifier name.[default: TDinsight Builtin SMS]
-U–sms-notifier-uidSMS_NOTIFIER_UIDProvisioning notifier uid, use lowercase notifier name by default.
-D–sms-notifier-is-defaultSMS_NOTIFIER_IS_DEFAULTSet notifier as default.
-I–sms-access-key-idSMS_ACCESS_KEY_IDAliyun sms access key id
-K–sms-access-key-secretSMS_ACCESS_KEY_SECRETAliyun sms access key secret
-S–sms-sign-nameSMS_SIGN_NAMESign name
-C–sms-template-codeSMS_TEMPLATE_CODETemplate code
-T–sms-template-paramSMS_TEMPLATE_PARAMTemplate params json format
-B–sms-phone-numbersSMS_PHONE_NUMBERSComma-separated numbers list, eg "189xxxxxxxx,132xxxxxxxx"
-L–sms-listen-addrSMS_LISTEN_ADDRThe builtin sms webhook listening address, default is

Suppose you are serving TDengine on host tdengine, with HTTP API port 6041, user root1, password pass5ord. Use the script as:

sudo ./TDinsight.sh -a http://tdengine:6041 -u root1 -p pass5ord

We are providing a -E options to configure existing notification channel for TDinsight from command line. Suppose your Grafana user and password is admin:admin, use the following command to get the notification channels:

curl --no-progress-meter -u admin:admin http://localhost:3000/api/alert-notifications | jq

Here, we use uid property of the notification channel as -E input.

sudo ./TDinsight.sh -a http://tdengine:6041 -u root1 -p pass5ord -E existing-notifier

If you want to use Aliyun SMS service as notification channel, you should enable it with -s flag and the settings:

  • -N: Notification channel name, default is TDinsight Builtin SMS.
  • -U: Notification channel uid, default is lowercase of the name with any other characters replaced with -, for default -N, it is tdinsight-builtin-sms.
  • -I: Aliyun SMS access key id.
  • -K: Aliyun SMS access key secret.
  • -S: Aliyun SMS sign name.
  • -C: Aliyun SMS template id.
  • -T: Aliyun SMS template params JSON format, '{"alarm_level":"%s","time":"%s","name":"%s","content":"%s"}'. It has four params: alerting level, alerting time, the name of alert rule, and the content text of the alert rule.
  • -B: Target phone numbers list, separated by comma ,.

If you want to monitor multiple TDengine clusters, you need to setup multiple TDinsight dashboards. There’s some required changes to setup non-default TDinsight - -n -i -t options are need to be changed to some other names, if you are using SMS alerting feature, -N and -L should be changed too.

sudo ./TDengine.sh -n TDengine-Env1 -a http://another:6041 -u root -p taosdata -i tdinsight-env1 -t 'TDinsight Env1'
# if use builtin sms notifier.
sudo ./TDengine.sh -n TDengine-Env1 -a http://another:6041 -u root -p taosdata -i tdinsight-env1 -t 'TDinsight Env1' \
  -s -N 'Env1 SMS' -I xx -K xx -S xx -C SMS_XX -T '' -B 00000000000 -L

Note that, the provisioning data sources, notification channels and dashboards are not changeable at frontend. You should update the configuration by this script again or change the provisioning configurations manually. The provisioning configurations are all located in /etc/grafana/provisioning directory (the directory is grafana default, change it with -P option as you need).

For special use cases, -O would set the organization id when you use Grafana Cloud or use a different organization. -G let you choose the grafana plugins install directory. -e would set the dashboard to be editable.

Setup TDinsight Manually

Install TDengine Data Source Plugin

Install the TDengine data-source plugin from GitHub.

git clone --depth 1 https://github.com/taosdata/grafanaplugin.git
mkdir -p /var/lib/grafana/plugins/tdengine
cp -rf dist/* /var/lib/grafana/plugins/tdengine

Configure Grafana

Add following lines to /etc/grafana/grafana.ini.

allow_loading_unsigned_plugins = tdengine-datasource

Start Grafana Service

systemctl enable grafana-server
systemctl start grafana-server

Login to Grafana

Open the default grafana url: http://localhost:3000 in your web browser. The default username/password is bot admin. Grafana would ask you to change the password after first login.

Add TDengine Data Source

Point to Configurations -> Data Sources menu and then Add data source button.

add data source button

Search and choose TDengine. add data source

Configure TDengine data source.

data source configuration

Save and test it, it should say ‘TDengine Data source is working’.

data source test

Import TDengine Dashboard

Point to + / Create - import (or /dashboard/import url).

import dashboard and config

Use the dashboard id 15167 via grafana.com.

import via grafana.com

Then it’s all done.

The full page view for TDengine will like below.


TDinsight Dashboard Details

The TDinsight dashboard aims to provide TDengine cluster resources usage and status of dnodes, mdodes, vnodes, or databases. There’re several partitions of metrics.

Cluster Status


Include cluster current infomation and status (left-right, top-down).

  • First EP: First EP in current TDengine cluster.
  • Version: Server version of MNode.
  • Master Uptime: Time that the current master mnode elected.
  • Expire Time - Expire time for enterprise version.
  • Used Measuring Points - Used measuring points for enterprise version.
  • Databases - The total number of databases.
  • Connections - The connections number in current time.
  • DNodes/MNodes/VGroups/VNodes: Total and alive number for each kind of resources.
  • DNodes/MNodes/VGroups/VNodes Alive Percent: alive number / total number for each kind of resources, with alert rule enabled, by default it will be triggered when the resource is not 100% alive.
  • Messuring Points Used: Used measuring points for enterprise version with alert enabled.
  • Grants Expire Time: Expire time for enterprise version with alert enabled.
  • Error Rate: The total error rate for the cluster with alert enabled.
  • Variables: generated by show variables command and displayed as Table view.

DNodes Status


  • DNodes Status: Simple table view for show dnodes.
  • DNodes Lifetime: The time elapsed from dnode created.
  • DNodes Number: DNodes number changes time-series graph.
  • Offline Reasons: Offline reasons pie chart if any dnode status is offline.

MNodes Overview


  1. MNodes Status: Simple table view for show mnodes.
  2. MNodes Number: like DNodes Number, but for mnodes.



  1. Requests (Inserts): Interts requests batches and couts with success rate time-series data.
  2. Requests Rate(Inserts per Second): Insert count per second rate.
  3. Requests (Selects): Select requests count and rate.
  4. Requests (HTTP): HTTP requests count and rate.

Database for each $database


  1. STables: Number of stables.
  2. Total Tables: Number of all tables.
  3. Sub Tables: Number of tables that is sub table of a stable.
  4. Tables: Tables changes time-series data.
  5. Tables Number Foreach VGroups: Tables number for each vgroups.

DNode Usage for each $fqdn


DNode resources details for specific node with grafana query type variable $fqdn (from select tbname from log.dn), including:

  • Current memory usage, cpu usage, band speed, io read and write rate, disk used, etc.
  • Max resources usage in last hour or some time.
  • CPU graph view.
  • Memory usage.
  • Disk used percent: graph view with alert rule.
  • Disk used.
  • Requests count per minute.
  • IO rate (read/write), with comparison to that in last hour.

Here’s the metrics list:

  1. Uptime: Elapsed time from dnode created.
  2. Has MNodes?: If the dnodes has mnode.
  3. CPU Cores: Number of CPU cores.
  4. VNodes Number: VNodes number of the current dnode.
  5. VNodes Masters: The number of vnodes that are in master role.
  6. Current CPU Usage of taosd: CPU usage of taosd process.
  7. Current Memory Usage of taosd: Memory usage of taosd process.
  8. Disk Used: Total disk usage percent of taosd data directory.
  9. CPU Usage: Process and system CPU usage.
  10. RAM Usage: RAM used metrics time-series view.
  11. Disk Used: Disk used for each level.
  12. Disk Increasing Rate per Minute: Disk increasing rate per minute.
  13. Disk IO: Process read/write bytes time-series data and view.
  14. Net IO: Total in/out bits for all networks except lo.

Login History


Currently only report login count per minute.

An All-in-one Docker Example

git clone --depth 1 https://github.com/taosdata/grafanaplugin.git
cd grafanaplugin

Modify as needed in the docker-compose.yml file:

version: "3.7"

    image: grafana/grafana:7.5.10
      - ./dist:/var/lib/grafana/plugins/tdengine-datasource
      - ./grafana/grafana.ini:/etc/grafana/grafana.ini
      - ./grafana/provisioning/:/etc/grafana/provisioning/
      - grafana-data:/var/lib/grafana
      - 3000:3000


Replace the environment variables in docker-compose.yml or set it .env, then start Grafana with docker-compose.

docker-compose up -d

TDinsight is builtin, please go to http://localhost:3000/d/tdinsight/ to see the dashboard.

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