docs: refine for enterprise
This commit is contained in:
Wade Zhang
parent
f1cbefdd6b
commit
9eaa711e74
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@ -221,7 +221,7 @@ curl -L -o php-tdengine.tar.gz https://github.com/Yurunsoft/php-tdengine/archive
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&& tar -xzf php-tdengine.tar.gz -C php-tdengine --strip-components=1
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```
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> Version number `v1.0.2` is only for example, it can be replaced to any newer version, please check available version from [TDengine PHP Connector Releases](https://github.com/Yurunsoft/php-tdengine/releases).
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> Version number `v1.0.2` is only for example, it can be replaced to any newer version.
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**Non-Swoole Environment: **
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@ -55,7 +55,7 @@ At most 4096 columns are allowed in a STable. If there are more than 4096 of met
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## Create Table
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A specific table needs to be created for each data collection point. Similar to RDBMS, table name and schema are required to create a table. Additionally, one or more tags can be created for each table. To create a table, a STable needs to be used as template and the values need to be specified for the tags. For example, for the meters in [Table 1](/tdinternal/arch#model_table1), the table can be created using below SQL statement.
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A specific table needs to be created for each data collection point. Similar to RDBMS, table name and schema are required to create a table. Additionally, one or more tags can be created for each table. To create a table, a STable needs to be used as template and the values need to be specified for the tags. For example, for the smart meters table, the table can be created using below SQL statement.
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```sql
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CREATE TABLE d1001 USING meters TAGS ("California.SanFrancisco", 2);
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@ -1,178 +0,0 @@
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---
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title: Install and Uninstall
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description: This document describes how to install, upgrade, and uninstall TDengine.
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---
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import Tabs from "@theme/Tabs";
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import TabItem from "@theme/TabItem";
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This document gives more information about installing, uninstalling, and upgrading TDengine.
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## Install
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About details of installing TDenine, please refer to [Installation Guide](../../get-started/package/).
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## Uninstall
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<Tabs>
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<TabItem label="Uninstall by apt-get" value="aptremove">
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Uninstall package of TDengine by apt-get can be uninstalled as below:
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```bash
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$ sudo apt-get remove tdengine
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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The following packages will be REMOVED:
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tdengine
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0 upgraded, 0 newly installed, 1 to remove and 18 not upgraded.
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After this operation, 68.3 MB disk space will be freed.
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Do you want to continue? [Y/n] y
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(Reading database ... 135625 files and directories currently installed.)
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Removing tdengine (3.0.0.0) ...
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TDengine is removed successfully!
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```
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If you have installed taos-tools, please uninstall it first before uninstall TDengine. The command of uninstall is following:
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```
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$ sudo apt remove taostools
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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The following packages will be REMOVED:
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taostools
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0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
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After this operation, 68.3 MB disk space will be freed.
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Do you want to continue? [Y/n]
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(Reading database ... 147973 files and directories currently installed.)
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Removing taostools (2.1.2) ...
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```
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</TabItem>
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<TabItem label="Uninstall Deb" value="debuninst">
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Deb package of TDengine can be uninstalled as below:
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```
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$ sudo dpkg -r tdengine
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(Reading database ... 137504 files and directories currently installed.)
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Removing tdengine (3.0.0.0) ...
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TDengine is removed successfully!
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```
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Deb package of taosTools can be uninstalled as below:
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```
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$ sudo dpkg -r taostools
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(Reading database ... 147973 files and directories currently installed.)
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Removing taostools (2.1.2) ...
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```
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</TabItem>
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<TabItem label="Uninstall RPM" value="rpmuninst">
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RPM package of TDengine can be uninstalled as below:
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```
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$ sudo rpm -e tdengine
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TDengine is removed successfully!
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```
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RPM package of taosTools can be uninstalled as below:
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```
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sudo rpm -e taostools
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taosToole is removed successfully!
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```
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</TabItem>
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<TabItem label="Uninstall tar.gz" value="taruninst">
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tar.gz package of TDengine can be uninstalled as below:
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```
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$ rmtaos
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TDengine is removed successfully!
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```
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tar.gz package of taosTools can be uninstalled as below:
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```
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$ rmtaostools
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Start to uninstall taos tools ...
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taos tools is uninstalled successfully!
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```
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</TabItem>
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<TabItem label="Windows uninstall" value="windows">
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Run C:\TDengine\unins000.exe to uninstall TDengine on a Windows system.
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</TabItem>
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<TabItem label="Mac uninstall" value="mac">
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TDengine can be uninstalled as below:
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```
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$ rmtaos
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TDengine is removed successfully!
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```
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</TabItem>
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</Tabs>
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:::info
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- We strongly recommend not to use multiple kinds of installation packages on a single host TDengine. The packages may affect each other and cause errors.
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- After deb package is installed, if the installation directory is removed manually, uninstall or reinstall will not work. This issue can be resolved by using the command below which cleans up TDengine package information.
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```
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$ sudo rm -f /var/lib/dpkg/info/tdengine*
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```
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You can then reinstall if needed.
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- After rpm package is installed, if the installation directory is removed manually, uninstall or reinstall will not work. This issue can be resolved by using the command below which cleans up TDengine package information.
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```
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$ sudo rpm -e --noscripts tdengine
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```
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You can then reinstall if needed.
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:::
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Uninstalling and Modifying Files
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- When TDengine is uninstalled, the configuration /etc/taos/taos.cfg, data directory /var/lib/taos, log directory /var/log/taos are kept. They can be deleted manually with caution, because data can't be recovered. Please follow data integrity, security, backup or relevant SOPs before deleting any data.
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- When reinstalling TDengine, if the default configuration file /etc/taos/taos.cfg exists, it will be kept and the configuration file in the installation package will be renamed to taos.cfg.orig and stored at /usr/local/taos/cfg to be used as configuration sample. Otherwise the configuration file in the installation package will be installed to /etc/taos/taos.cfg and used.
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## Upgrade
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There are two aspects in upgrade operation: upgrade installation package and upgrade a running server.
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To upgrade a package, follow the steps mentioned previously to first uninstall the old version then install the new version.
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Upgrading a running server is much more complex. First please check the version number of the old version and the new version. The version number of TDengine consists of 4 sections, only if the first 2 sections match can the old version be upgraded to the new version. The steps of upgrading a running server are as below:
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- Stop inserting data
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- Make sure all data is persisted to disk, please use command `flush database`
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- Stop the cluster of TDengine
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- Uninstall old version and install new version
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- Start the cluster of TDengine
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- Execute simple queries, such as the ones executed prior to installing the new package, to make sure there is no data loss
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- Run some simple data insertion statements to make sure the cluster works well
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- Restore business services
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:::warning
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TDengine doesn't guarantee any lower version is compatible with the data generated by a higher version, so it's never recommended to downgrade the version.
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:::
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@ -31,7 +31,7 @@ taosAdapter provides the following features.
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### Install taosAdapter
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If you use the TDengine server, you don't need additional steps to install taosAdapter. You can download taosAdapter from [TDengine 3.0 released versions](../../releases/tdengine) to download the TDengine server installation package. If you need to deploy taosAdapter separately on another server other than the TDengine server, you should install the full TDengine server package on that server to install taosAdapter. If you need to build taosAdapter from source code, you can refer to the [Building taosAdapter]( https://github.com/taosdata/taosadapter/blob/3.0/BUILD.md) documentation.
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If you use the TDengine server, you don't need additional steps to install taosAdapter. If you need to deploy taosAdapter separately on another server other than the TDengine server, you should install the full TDengine server package on that server to install taosAdapter. If you need to build taosAdapter from source code, you can refer to the [Building taosAdapter]( https://github.com/taosdata/taosadapter/blob/3.0/BUILD.md) documentation.
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### Start/Stop taosAdapter
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@ -180,7 +180,7 @@ See [example/config/taosadapter.toml](https://github.com/taosdata/taosadapter/bl
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node_export is an exporter for machine metrics. Please visit [https://github.com/prometheus/node_exporter](https://github.com/prometheus/node_exporter) for more information.
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- Support for Prometheus remote_read and remote_write
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remote_read and remote_write are interfaces for Prometheus data read and write from/to other data storage solution. Please visit [https://prometheus.io/blog/2019/10/10/remote-read-meets-streaming/#remote-apis](https://prometheus.io/blog/2019/10/10/remote-read-meets-streaming/#remote-apis) for more information.
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- Get table's VGroup ID. For more information about VGroup, please refer to [primary-logic-unit](/tdinternal/arch/#primary-logic-unit).
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- Get table's VGroup ID.
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## Interfaces
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