taosAdapter

taosAdapter is a TDengine’s companion tool and is a bridge/adapter between TDengine cluster and application. It provides an easy-to-use and efficient way to ingest data from data collections agents(like Telegraf, StatsD, collectd) directly. It also provides InfluxDB/OpenTSDB compatible data ingestion interface to allow InfluxDB/OpenTSDB applications to immigrate to TDengine seamlessly.

taosAdapter provides the following functions.

RESTful interface
Compatible with InfluxDB v1 write interface
Compatible with OpenTSDB JSON and telnet format write
Seamless connect to Telegraf
Seamless connect to collectD
Seamless connect to StatsD
Support Prometheus remote_read and remote_write

taosAdapter architecture

taosAdapter deployment

Install taosAdapter

taosAdapter is part of the TDengine server from TDengine v2.4.0.0. You don't need any additional steps to install taosAdapter if you already installed TDengine server. You can download TDengine server package (taosAdapter be included in v2.4.0.0 and above version) from the official website. If you want to deploy taosAdapter on another server, you need to install official TDengine server installation package. If you want to build taosAdapter from source code, you can refer to the How to build taosAdapter instruction.

Start/Stop taosAdapter

taosAdapter service is managed by the systemd by default on the Linux system. It can be started by the command systemctl start taosadapter and be stopped by the command systemctl stop taosadapter.

Uninstall taosAdapter

The command rmtaos will remove the TDengine server software including taosAdapter too.

Upgrade taosAdapter

taosAdapter only properly run with the same version of TDengine server. You need to upgrade TDengine server to upgrade taosAdapter. A separate deployed taosAdapter need to upgrade the corresponding version of TDengine server package too.

taosAdapter's parameters

taosAdapter supports command line parameters, environment variables, and configuration files. The default configuration file is /etc/taos/taosadapter.toml.

Command-line parameters take precedence over environment variables take precedence over configuration files

The command line usage is arg=val such as taosadapter -p=30000 --debug=true

Usage of taosAdapter:
      --collectd.db string                           collectd db name. Env "TAOS_ADAPTER_COLLECTD_DB" (default "collectd")
      --collectd.enable                              enable collectd. Env "TAOS_ADAPTER_COLLECTD_ENABLE" (default true)
      --collectd.password string                     collectd password. Env "TAOS_ADAPTER_COLLECTD_PASSWORD" (default "taosdata")
      --collectd.port int                            collectd server port. Env "TAOS_ADAPTER_COLLECTD_PORT" (default 6045)
      --collectd.ttl int                             collectd data ttl. Env "TAOS_ADAPTER_COLLECTD_TTL"
      --collectd.user string                         collectd user. Env "TAOS_ADAPTER_COLLECTD_USER" (default "root")
      --collectd.worker int                          collectd write worker. Env "TAOS_ADAPTER_COLLECTD_WORKER" (default 10)
  -c, --config string                                config path default /etc/taos/taosadapter.toml
      --cors.allowAllOrigins                         cors allow all origins. Env "TAOS_ADAPTER_CORS_ALLOW_ALL_ORIGINS" (default true)
      --cors.allowCredentials                        cors allow credentials. Env "TAOS_ADAPTER_CORS_ALLOW_Credentials"
      --cors.allowHeaders stringArray                cors allow HEADERS. Env "TAOS_ADAPTER_ALLOW_HEADERS"
      --cors.allowOrigins stringArray                cors allow origins. Env "TAOS_ADAPTER_ALLOW_ORIGINS"
      --cors.allowWebSockets                         cors allow WebSockets. Env "TAOS_ADAPTER_CORS_ALLOW_WebSockets"
      --cors.exposeHeaders stringArray               cors expose headers. Env "TAOS_ADAPTER_Expose_Headers"
      --debug                                        enable debug mode. Env "TAOS_ADAPTER_DEBUG" (default true)
      --help                                         Print this help message and exit
      --influxdb.enable                              enable influxdb. Env "TAOS_ADAPTER_INFLUXDB_ENABLE" (default true)
      --log.enableRecordHttpSql                      whether to record http sql. Env "TAOS_ADAPTER_LOG_ENABLE_RECORD_HTTP_SQL"
      --log.path string                              log path. Env "TAOS_ADAPTER_LOG_PATH" (default "/var/log/taos")
      --log.rotationCount uint                       log rotation count. Env "TAOS_ADAPTER_LOG_ROTATION_COUNT" (default 30)
      --log.rotationSize string                      log rotation size(KB MB GB), must be a positive integer. Env "TAOS_ADAPTER_LOG_ROTATION_SIZE" (default "1GB")
      --log.rotationTime duration                    log rotation time. Env "TAOS_ADAPTER_LOG_ROTATION_TIME" (default 24h0m0s)
      --log.sqlRotationCount uint                    record sql log rotation count. Env "TAOS_ADAPTER_LOG_SQL_ROTATION_COUNT" (default 2)
      --log.sqlRotationSize string                   record sql log rotation size(KB MB GB), must be a positive integer. Env "TAOS_ADAPTER_LOG_SQL_ROTATION_SIZE" (default "1GB")
      --log.sqlRotationTime duration                 record sql log rotation time. Env "TAOS_ADAPTER_LOG_SQL_ROTATION_TIME" (default 24h0m0s)
      --logLevel string                              log level (panic fatal error warn warning info debug trace). Env "TAOS_ADAPTER_LOG_LEVEL" (default "info")
      --monitor.collectDuration duration             Set monitor duration. Env "TAOS_ADAPTER_MONITOR_COLLECT_DURATION" (default 3s)
      --monitor.disable                              Whether to disable monitoring. Env "TAOS_ADAPTER_MONITOR_DISABLE"
      --monitor.identity string                      The identity of the current instance, or 'hostname:port' if it is empty. Env "TAOS_ADAPTER_MONITOR_IDENTITY"
      --monitor.incgroup                             Whether running in cgroup. Env "TAOS_ADAPTER_MONITOR_INCGROUP"
      --monitor.password string                      TDengine password. Env "TAOS_ADAPTER_MONITOR_PASSWORD" (default "taosdata")
      --monitor.pauseAllMemoryThreshold float        Memory percentage threshold for pause all. Env "TAOS_ADAPTER_MONITOR_PAUSE_ALL_MEMORY_THRESHOLD" (default 80)
      --monitor.pauseQueryMemoryThreshold float      Memory percentage threshold for pause query. Env "TAOS_ADAPTER_MONITOR_PAUSE_QUERY_MEMORY_THRESHOLD" (default 70)
      --monitor.user string                          TDengine user. Env "TAOS_ADAPTER_MONITOR_USER" (default "root")
      --monitor.writeInterval duration               Set write to TDengine interval. Env "TAOS_ADAPTER_MONITOR_WRITE_INTERVAL" (default 30s)
      --monitor.writeToTD                            Whether write metrics to TDengine. Env "TAOS_ADAPTER_MONITOR_WRITE_TO_TD"
      --node_exporter.caCertFile string              node_exporter ca cert file path. Env "TAOS_ADAPTER_NODE_EXPORTER_CA_CERT_FILE"
      --node_exporter.certFile string                node_exporter cert file path. Env "TAOS_ADAPTER_NODE_EXPORTER_CERT_FILE"
      --node_exporter.db string                      node_exporter db name. Env "TAOS_ADAPTER_NODE_EXPORTER_DB" (default "node_exporter")
      --node_exporter.enable                         enable node_exporter. Env "TAOS_ADAPTER_NODE_EXPORTER_ENABLE"
      --node_exporter.gatherDuration duration        node_exporter gather duration. Env "TAOS_ADAPTER_NODE_EXPORTER_GATHER_DURATION" (default 5s)
      --node_exporter.httpBearerTokenString string   node_exporter http bearer token. Env "TAOS_ADAPTER_NODE_EXPORTER_HTTP_BEARER_TOKEN_STRING"
      --node_exporter.httpPassword string            node_exporter http password. Env "TAOS_ADAPTER_NODE_EXPORTER_HTTP_PASSWORD"
      --node_exporter.httpUsername string            node_exporter http username. Env "TAOS_ADAPTER_NODE_EXPORTER_HTTP_USERNAME"
      --node_exporter.insecureSkipVerify             node_exporter skip ssl check. Env "TAOS_ADAPTER_NODE_EXPORTER_INSECURE_SKIP_VERIFY" (default true)
      --node_exporter.keyFile string                 node_exporter cert key file path. Env "TAOS_ADAPTER_NODE_EXPORTER_KEY_FILE"
      --node_exporter.password string                node_exporter password. Env "TAOS_ADAPTER_NODE_EXPORTER_PASSWORD" (default "taosdata")
      --node_exporter.responseTimeout duration       node_exporter response timeout. Env "TAOS_ADAPTER_NODE_EXPORTER_RESPONSE_TIMEOUT" (default 5s)
      --node_exporter.ttl int                        node_exporter data ttl. Env "TAOS_ADAPTER_NODE_EXPORTER_TTL"
      --node_exporter.urls strings                   node_exporter urls. Env "TAOS_ADAPTER_NODE_EXPORTER_URLS" (default [http://localhost:9100])
      --node_exporter.user string                    node_exporter user. Env "TAOS_ADAPTER_NODE_EXPORTER_USER" (default "root")
      --opentsdb.enable                              enable opentsdb. Env "TAOS_ADAPTER_OPENTSDB_ENABLE" (default true)
      --opentsdb_telnet.batchSize int                opentsdb_telnet batch size. Env "TAOS_ADAPTER_OPENTSDB_TELNET_BATCH_SIZE" (default 1)
      --opentsdb_telnet.dbs strings                  opentsdb_telnet db names. Env "TAOS_ADAPTER_OPENTSDB_TELNET_DBS" (default [opentsdb_telnet,collectd_tsdb,icinga2_tsdb,tcollector_tsdb])
      --opentsdb_telnet.enable                       enable opentsdb telnet,warning: without auth info(default false). Env "TAOS_ADAPTER_OPENTSDB_TELNET_ENABLE"
      --opentsdb_telnet.flushInterval duration       opentsdb_telnet flush interval (0s means not valid) . Env "TAOS_ADAPTER_OPENTSDB_TELNET_FLUSH_INTERVAL"
      --opentsdb_telnet.maxTCPConnections int        max tcp connections. Env "TAOS_ADAPTER_OPENTSDB_TELNET_MAX_TCP_CONNECTIONS" (default 250)
      --opentsdb_telnet.password string              opentsdb_telnet password. Env "TAOS_ADAPTER_OPENTSDB_TELNET_PASSWORD" (default "taosdata")
      --opentsdb_telnet.ports ints                   opentsdb telnet tcp port. Env "TAOS_ADAPTER_OPENTSDB_TELNET_PORTS" (default [6046,6047,6048,6049])
      --opentsdb_telnet.tcpKeepAlive                 enable tcp keep alive. Env "TAOS_ADAPTER_OPENTSDB_TELNET_TCP_KEEP_ALIVE"
      --opentsdb_telnet.ttl int                      opentsdb_telnet data ttl. Env "TAOS_ADAPTER_OPENTSDB_TELNET_TTL"
      --opentsdb_telnet.user string                  opentsdb_telnet user. Env "TAOS_ADAPTER_OPENTSDB_TELNET_USER" (default "root")
      --pool.idleTimeout duration                    Set idle connection timeout. Env "TAOS_ADAPTER_POOL_IDLE_TIMEOUT"
      --pool.maxConnect int                          max connections to taosd. Env "TAOS_ADAPTER_POOL_MAX_CONNECT"
      --pool.maxIdle int                             max idle connections to taosd. Env "TAOS_ADAPTER_POOL_MAX_IDLE"
  -P, --port int                                     http port. Env "TAOS_ADAPTER_PORT" (default 6041)
      --prometheus.enable                            enable prometheus. Env "TAOS_ADAPTER_PROMETHEUS_ENABLE" (default true)
      --restfulRowLimit int                          restful returns the maximum number of rows (-1 means no limit). Env "TAOS_ADAPTER_RESTFUL_ROW_LIMIT" (default -1)
      --statsd.allowPendingMessages int              statsd allow pending messages. Env "TAOS_ADAPTER_STATSD_ALLOW_PENDING_MESSAGES" (default 50000)
      --statsd.db string                             statsd db name. Env "TAOS_ADAPTER_STATSD_DB" (default "statsd")
      --statsd.deleteCounters                        statsd delete counter cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_COUNTERS" (default true)
      --statsd.deleteGauges                          statsd delete gauge cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_GAUGES" (default true)
      --statsd.deleteSets                            statsd delete set cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_SETS" (default true)
      --statsd.deleteTimings                         statsd delete timing cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_TIMINGS" (default true)
      --statsd.enable                                enable statsd. Env "TAOS_ADAPTER_STATSD_ENABLE" (default true)
      --statsd.gatherInterval duration               statsd gather interval. Env "TAOS_ADAPTER_STATSD_GATHER_INTERVAL" (default 5s)
      --statsd.maxTCPConnections int                 statsd max tcp connections. Env "TAOS_ADAPTER_STATSD_MAX_TCP_CONNECTIONS" (default 250)
      --statsd.password string                       statsd password. Env "TAOS_ADAPTER_STATSD_PASSWORD" (default "taosdata")
      --statsd.port int                              statsd server port. Env "TAOS_ADAPTER_STATSD_PORT" (default 6044)
      --statsd.protocol string                       statsd protocol [tcp or udp]. Env "TAOS_ADAPTER_STATSD_PROTOCOL" (default "udp")
      --statsd.tcpKeepAlive                          enable tcp keep alive. Env "TAOS_ADAPTER_STATSD_TCP_KEEP_ALIVE"
      --statsd.ttl int                               statsd data ttl. Env "TAOS_ADAPTER_STATSD_TTL"
      --statsd.user string                           statsd user. Env "TAOS_ADAPTER_STATSD_USER" (default "root")
      --statsd.worker int                            statsd write worker. Env "TAOS_ADAPTER_STATSD_WORKER" (default 10)
      --taosConfigDir string                         load taos client config path. Env "TAOS_ADAPTER_TAOS_CONFIG_FILE"
      --version                                      Print the version and exit

Note: If you support users using the web browser to access the interfaces, please configure the following CORS parameters according to your practical network setting:

AllowAllOrigins
AllowOrigins
AllowHeaders
ExposeHeaders
AllowCredentials
AllowWebSockets

If not, you don't need to configure them.

Please visit the webpage https://www.w3.org/wiki/CORS_Enabled or https://developer.mozilla.org/zh-CN/docs/Web/HTTP/CORS for the detailed CORS protocol.

For the default configuration file, see example/config/taosadapter.toml

Functions

Compatible with RESTful interface. https://docs.tdengine.com/reference/rest-api/
Compatible with InfluxDB v1 write interface. https://docs.influxdata.com/influxdb/v2.0/reference/api/influxdb-1x/write/
Compatible with opentsdb JSON and telnet format writing.
- http://opentsdb.net/docs/build/html/api_http/put.html
- http://opentsdb.net/docs/build/html/api_telnet/put.html
Seamless connection with collectd. collectd is a system statistics collection daemon. Please visit https://collectd.org/for detail.
Seamless connection with StatsD. StatsD is a daemon for easy but powerful stats aggregation. Please visit https://github.com/statsd/statsd for detail.
Seamless connection with icinga2. icinga2 is an agent to collect check result metrics and performance data. Please visit https://icinga.com/docs/icinga-2/latest/doc/14-features/#opentsdb-writer for detail.
Seamless connection with tcollector. TCollector is a client-side process that gathers data from local collectors and pushes the data to OpenTSDB. Please visit http://opentsdb.net/docs/build/html/user_guide/utilities/tcollector.html for detail.
Seamless connection with node_exporter. NodeExporter is an exporter software for machine metrics. Please visit https://github.com/prometheus/node_exporter for detail.
Support Prometheus remote_read and remote_write remote_read and remote_write are Prometheus data read-write separation cluster solutions. Please visit https://prometheus.io/blog/2019/10/10/remote-read-meets-streaming/#remote-apis for detail.

Interface

TDengine RESTful interface

You can use any http client to access the RESTful interface address http://<fqdn>:6041/rest/sql to insert to or query from TDengine. Please refer to the official documentation for detail.

InfluxDB

You can use any http client to access the RESTful interface address http://<fqdn>:6041/<APIEndPoint> to insert InfluxDB compatible protocol data to TDengine. The end point is:

/influxdb/v1/write

Support following InfluxDB query parameters:

db Specify the necessary parameters for the database
precision time precision non-essential parameter
u user non-essential parameters
p password Optional parameter

Note: There is currently not supported token authentication in InfluxDB only supports Basic authentication and query parameter authentication.

OpenTSDB

You can use any http client to access the RESTful interface address http://<fqdn>:6041/<APIEndPoint> to insert OpenTSDB compatible protocol data to TDengine. The end point is:

/opentsdb/v1/put/json/:db
/opentsdb/v1/put/telnet/:db

collectd

direct collection

Modify the collectd configuration /etc/collectd/collectd.conf. taosAdapter uses 6045 for collectd direct collection data write by default.

LoadPlugin network
<Plugin network>
         Server "127.0.0.1" "6045"
</Plugin>

tsdb writer

Modify the collectd configuration /etc/collectd/collectd.conf. taosAdapter uses 6047 for collectd tsdb write by default.

LoadPlugin write_tsdb
<Plugin write_tsdb>
        <Node>
                Host "localhost"
                Port "6047"
                HostTags "status=production"
                StoreRates false
                AlwaysAppendDS false
        </Node>
</Plugin>

StatsD

modify the configuration file path_to_statsd/config.js

backends add "./backends/repeater"
repeater add { host:'host to taosAdapter', port: 6044}

An example configuration file as below:

{
  port: 8125,
  backends: ["./backends/repeater"],
  repeater: [{ host: '127.0.0.1', port: 6044}]
}

icinga2 OpenTSDB writer

Use icinga2 to collect check result metrics and performance data

Follow the doc to enable opentsdb-writer https://icinga.com/docs/icinga-2/latest/doc/14-features/#opentsdb-writer
Enable taosAdapter configuration opentsdb_telnet.enable
Modify the configuration file /etc/icinga2/features-enabled/opentsdb.conf

object OpenTsdbWriter "opentsdb" {
  host = "host to taosAdapter"
  port = 6048
}

TCollector

TCollector is a client-side process that gathers data from local collectors and pushes the data to OpenTSDB. You run it on all your hosts, and it does the work of sending each host’s data to the TSD (OpenTSDB backend process).

Enable taosAdapter configuration opentsdb_telnet.enable
Modify the TCollector configuration file, modify the OpenTSDB host to the host where taosAdapter is deployed, and modify the port to 6049

node_exporter

Prometheus exporter for hardware and OS metrics exposed by *NIX kernels

Enable taosAdapter configuration node_exporter.enable
Set the relevant configuration of node_exporter
Restart taosAdapter

prometheus

Remote_read and remote_write are cluster schemes for Prometheus data read-write separation. Just use the REMOTE_READ and REMOTE_WRITE URL to point to the URL corresponding to Taosadapter to use Basic authentication.

Remote_read url: http://host_to_taosadapter:port (default 6041) /prometheus/v1/remote_read/:db
Remote_write url: http://host_to_taosadapter:port (default 6041) /Prometheus/v1/remote_write/:db

Basic verification:

Username: TDengine connection username
Password: TDengine connection password

Example Prometheus.yml is as follows:

remote_write:
  - url: "http://localhost:6041/prometheus/v1/remote_write/prometheus_data"
    basic_auth:
      username: root
      password: taosdata

remote_read:
  - url: "http://localhost:6041/prometheus/v1/remote_read/prometheus_data"
    basic_auth:
      username: root
      password: taosdata
    remote_timeout: 10s
    read_recent: true

Memory usage optimization

taosAdapter will monitor itself memory usage during its running. You can adjust its thresholds via two parameters. The valid value is from -1 to 100. The unit is the percentage of physical memory on the system.

pauseQueryMemoryThreshold
pauseAllMemoryThreshold

Query requests will be rejected when the pauseQueryMemoryThreshold is exceeded.

http return

code 503
body "query memory exceeds threshold"

All write and query requests will be rejected when the pauseAllMemoryThreshold is exceeded.

http return

code 503
body "memory exceeds threshold"

The corresponding function will resume when the memory usage falls back below the threshold.

Status check interface http://<fqdn>:6041/-/ping

Normal return code 200
No parameter Returns code 503 if memory exceeds pauseAllMemoryThreshold
request parameter action=query returns code 503 if memory exceeds pauseQueryMemoryThreshold or pauseAllMemoryThreshold

for the corresponding configuration parameter

monitor.collectDuration duration             Set monitor duration. Env "TAOS_ADAPTER_MONITOR_COLLECT_DURATION" (default 3s)
monitor.incgroup                             Whether running in cgroup. Env "TAOS_ADAPTER_MONITOR_INCGROUP"
monitor.pauseAllMemoryThreshold float        Memory percentage threshold for pause query and insert. Env "TAOS_ADAPTER_MONITOR_PAUSE_ALL_MEMORY_THRESHOLD" (default 80)
monitor.pauseQueryMemoryThreshold float      Memory percentage threshold for pause query. Env "TAOS_ADAPTER_MONITOR_PAUSE_QUERY_MEMORY_THRESHOLD" (default 70)

You can adjust them according to the specific project scenarios and operation strategies, and it is recommended to use operation monitoring software to monitor system memory status in a timely manner too. You can configure the load balancer to check the interface for checking taosAdapter's running status too.

taosAdapter monitoring metrics

taosAdapter collects http related metrics, cpu percentage and memory percentage.

http interface

Provides an OpenMetrics interface.

http://<fqdn>:6041/metrics

Write to TDengine

taosAdapter supports writing metrics to TDengine.

Related configuration parameters

configuration	description	default values
monitor.collectDuration	cpu and memory collection interval	3s
monitor.identity	The identifier of the current taosadapter will be used if not set to 'hostname:port'
monitor.incgroup	whether running in a cgroup (set to true when running in a container)	false
monitor.writeToTD	Whether to write to TDengine	false
monitor.user	TDengine connection username	root
monitor.password	TDengine connection password	taosdata
monitor.writeInterval	write to TDengine interval	30s

Limit on the rows of returned result

taosAdapter controls the rows of result returned by the parameter restfulRowLimit, -1 means no limit, default is no limit.

This parameter controls the following interface returns

http://<fqdn>:6041/rest/sql
http://<fqdn>:6041/prometheus/v1/remote_read/:db

Troubleshooting

You can use systemctl status taosadapter to check the running status of the taosAdapter.

Or you can set --logLevel or the environment variable "TAOS_ADAPTER_LOG_LEVEL" to adjust the detail level how many log taosAdapter output. The valid values include panic, fatal, error, warn, warning, info, debug, and trace.

How to migrate to taosAdapter from old version of TDengine server

In the early version (2.2.x.x or earlier version), TDengine server provided an embedded http service by default. It will compulsorily running with the taosd process. As mentioned early, taosAdapter need be manually run by 'systemctl start taosadapter' and has its own process. Some parameters and behaviors are different between the embedded httpd and taosAdapter. Please see below:

#	embedded httpd	taosAdapter	comment
1	httpEnableRecordSql	--logLevel=debug
2	httpMaxThreads	n/a	taosAdapter no need this parameter
3	telegrafUseFieldNum	please refer to taosAdapter telegraf configuration
4	restfulRowLimit	restfulRowLimit	default value is 10240 in the embedded httpd. taosAdapter provides restfulRowLimit too but the default value is unlimited. User can set it according to the specific scenario
5	httpDebugFlag	not used	taosAdapter is immune to `httpdDebugFlag`
6	httpDBNameMandatory	not used	taosAdapter requests the database name be specified in URL

Name		Name	Last commit message	Last commit date
Latest commit History 801 Commits
.github/workflows		.github/workflows
benchmark		benchmark
config		config
controller		controller
db		db
docs		docs
driver		driver
example/config		example/config
httperror		httperror
log		log
monitor		monitor
plugin		plugin
schemaless		schemaless
system		system
thread		thread
tools		tools
version		version
.codecov.yml		.codecov.yml
.gitignore		.gitignore
.golangci.yaml		.golangci.yaml
.pre-commit-config.yaml		.pre-commit-config.yaml
BUILD-CN.md		BUILD-CN.md
BUILD.md		BUILD.md
LICENSE		LICENSE
README-CN.md		README-CN.md
README.md		README.md
go.mod		go.mod
go.sum		go.sum
main.go		main.go
taosAdapter-architecture-for-public.png		taosAdapter-architecture-for-public.png
taosadapter.service		taosadapter.service

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taosAdapter

taosAdapter architecture

taosAdapter deployment

Install taosAdapter

Start/Stop taosAdapter

Uninstall taosAdapter

Upgrade taosAdapter

taosAdapter's parameters

Functions

Interface

TDengine RESTful interface

InfluxDB

OpenTSDB

collectd

direct collection

tsdb writer

StatsD

icinga2 OpenTSDB writer

TCollector

node_exporter

prometheus

Memory usage optimization

taosAdapter monitoring metrics

http interface

Write to TDengine

Limit on the rows of returned result

Troubleshooting

How to migrate to taosAdapter from old version of TDengine server

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taosAdapter

taosAdapter architecture

taosAdapter deployment

Install taosAdapter

Start/Stop taosAdapter

Uninstall taosAdapter

Upgrade taosAdapter

taosAdapter's parameters

Functions

Interface

TDengine RESTful interface

InfluxDB

OpenTSDB

collectd

direct collection

tsdb writer

StatsD

icinga2 OpenTSDB writer

TCollector

node_exporter

prometheus

Memory usage optimization

taosAdapter monitoring metrics

http interface

Write to TDengine

Limit on the rows of returned result

Troubleshooting

How to migrate to taosAdapter from old version of TDengine server

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