docs: crrect wrting and format
This commit is contained in:
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@ -585,7 +585,7 @@ def process(block):
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return result
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```
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Crate and test the UDF:
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Create and test the UDF:
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```sql
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create function nsum as '/root/udf/nsum.py' outputtype double language 'Python';
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@ -66,7 +66,8 @@ Usage of taosAdapter:
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--cors.allowCredentials cors allow credentials. Env "TAOS_ADAPTER_CORS_ALLOW_Credentials"
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--cors.allowHeaders stringArray cors allow HEADERS. Env "TAOS_ADAPTER_ALLOW_HEADERS"
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--cors.allowOrigins stringArray cors allow origins. Env "TAOS_ADAPTER_ALLOW_ORIGINS"
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--cors.allowWebSockets cors allow WebSockets. Env "TAOS_ADAPTER_CORS_ALLOW_WebSockets" --cors.exposeHeaders stringArray cors expose headers. Env "TAOS_ADAPTER_Expose_Headers"
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--cors.allowWebSockets cors allow WebSockets. Env "TAOS_ADAPTER_CORS_ALLOW_WebSockets"
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--cors.exposeHeaders stringArray cors expose headers. Env "TAOS_ADAPTER_Expose_Headers"
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--debug enable debug mode. Env "TAOS_ADAPTER_DEBUG" (default true)
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--help Print this help message and exit
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--httpCodeServerError Use a non-200 http status code when server returns an error. Env "TAOS_ADAPTER_HTTP_CODE_SERVER_ERROR"
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@ -87,7 +88,8 @@ Usage of taosAdapter:
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--monitor.password string TDengine password. Env "TAOS_ADAPTER_MONITOR_PASSWORD" (default "taosdata")
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--monitor.pauseAllMemoryThreshold float Memory percentage threshold for pause all. Env "TAOS_ADAPTER_MONITOR_PAUSE_ALL_MEMORY_THRESHOLD" (default 80)
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--monitor.pauseQueryMemoryThreshold float Memory percentage threshold for pause query. Env "TAOS_ADAPTER_MONITOR_PAUSE_QUERY_MEMORY_THRESHOLD" (default 70)
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--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)
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--monitor.user string TDengine user. Env "TAOS_ADAPTER_MONITOR_USER" (default "root")
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--monitor.writeInterval duration Set write to TDengine interval. Env "TAOS_ADAPTER_MONITOR_WRITE_INTERVAL" (default 30s)
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--monitor.writeToTD Whether write metrics to TDengine. Env "TAOS_ADAPTER_MONITOR_WRITE_TO_TD"
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--node_exporter.caCertFile string node_exporter ca cert file path. Env "TAOS_ADAPTER_NODE_EXPORTER_CA_CERT_FILE"
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--node_exporter.certFile string node_exporter cert file path. Env "TAOS_ADAPTER_NODE_EXPORTER_CERT_FILE"
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@ -123,7 +125,8 @@ Usage of taosAdapter:
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--restfulRowLimit int restful returns the maximum number of rows (-1 means no limit). Env "TAOS_ADAPTER_RESTFUL_ROW_LIMIT" (default -1)
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--smlAutoCreateDB Whether to automatically create db when writing with schemaless. Env "TAOS_ADAPTER_SML_AUTO_CREATE_DB"
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--statsd.allowPendingMessages int statsd allow pending messages. Env "TAOS_ADAPTER_STATSD_ALLOW_PENDING_MESSAGES" (default 50000)
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--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)
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--statsd.db string statsd db name. Env "TAOS_ADAPTER_STATSD_DB" (default "statsd")
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--statsd.deleteCounters statsd delete counter cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_COUNTERS" (default true)
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--statsd.deleteGauges statsd delete gauge cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_GAUGES" (default true)
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--statsd.deleteSets statsd delete set cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_SETS" (default true)
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--statsd.deleteTimings statsd delete timing cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_TIMINGS" (default true)
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@ -133,7 +136,8 @@ Usage of taosAdapter:
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--statsd.password string statsd password. Env "TAOS_ADAPTER_STATSD_PASSWORD" (default "taosdata")
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--statsd.port int statsd server port. Env "TAOS_ADAPTER_STATSD_PORT" (default 6044)
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--statsd.protocol string statsd protocol [tcp or udp]. Env "TAOS_ADAPTER_STATSD_PROTOCOL" (default "udp")
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--statsd.tcpKeepAlive enable tcp keep alive. Env "TAOS_ADAPTER_STATSD_TCP_KEEP_ALIVE" --statsd.ttl int statsd data ttl. Env "TAOS_ADAPTER_STATSD_TTL"
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--statsd.tcpKeepAlive enable tcp keep alive. Env "TAOS_ADAPTER_STATSD_TCP_KEEP_ALIVE"
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--statsd.ttl int statsd data ttl. Env "TAOS_ADAPTER_STATSD_TTL"
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--statsd.user string statsd user. Env "TAOS_ADAPTER_STATSD_USER" (default "root")
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--statsd.worker int statsd write worker. Env "TAOS_ADAPTER_STATSD_WORKER" (default 10)
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--taosConfigDir string load taos client config path. Env "TAOS_ADAPTER_TAOS_CONFIG_FILE"
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@ -168,17 +172,17 @@ See [example/config/taosadapter.toml](https://github.com/taosdata/taosadapter/bl
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- Compatible with OpenTSDB JSON and telnet format writes
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- [http://opentsdb.net/docs/build/html/api_http/put.html](http://opentsdb.net/docs/build/html/api_http/put.html)
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- [http://opentsdb.net/docs/build/html/api_telnet/put.html](http://opentsdb.net/docs/build/html/api_telnet/put.html)
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- Seamless connection to collectd
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- Seamless connection to collectd.
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collectd is a system statistics collection daemon, please visit [https://collectd.org/](https://collectd.org/) for more information.
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- Seamless connection with StatsD
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- Seamless connection with StatsD.
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StatsD is a simple yet powerful daemon for aggregating statistical information. Please visit [https://github.com/statsd/statsd](https://github.com/statsd/statsd) for more information.
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- Seamless connection with icinga2
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- Seamless connection with icinga2.
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icinga2 is a software that collects inspection result metrics and performance data. Please visit [https://icinga.com/docs/icinga-2/latest/doc/14-features/#opentsdb-writer](https://icinga.com/docs/icinga-2/latest/doc/14-features/#opentsdb-writer) for more information.
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- Seamless connection to TCollector
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- Seamless connection to TCollector.
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TCollector is a client process that collects data from a local collector and pushes the data to OpenTSDB. Please visit [http://opentsdb.net/docs/build/html/user_guide/utilities/tcollector.html](http://opentsdb.net/docs/build/html/user_guide/utilities/tcollector.html) for more information.
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- Seamless connection to node_exporter
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- Seamless connection to node_exporter.
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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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- 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.
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@ -231,8 +231,9 @@ Input following content:
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"config":{
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"connector.class": "com.taosdata.kafka.connect.source.TDengineSourceConnector",
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"tasks.max": 1,
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"subscription.group.id": "source-demo",
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"connection.url": "jdbc:TAOS://127.0.0.1:6030",
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"connection.username": "root",
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"connection.user": "root",
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"connection.password": "taosdata",
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"connection.database": "test",
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"connection.attempts": 3,
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@ -41,4 +41,4 @@ TDengine 客户端驱动提供了应用编程所需要的全部 API,并且在
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## API
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请参考[连接器]
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请参考[连接器](../../connector)
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@ -66,13 +66,15 @@ Usage of taosAdapter:
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--cors.allowCredentials cors allow credentials. Env "TAOS_ADAPTER_CORS_ALLOW_Credentials"
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--cors.allowHeaders stringArray cors allow HEADERS. Env "TAOS_ADAPTER_ALLOW_HEADERS"
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--cors.allowOrigins stringArray cors allow origins. Env "TAOS_ADAPTER_ALLOW_ORIGINS"
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--cors.allowWebSockets cors allow WebSockets. Env "TAOS_ADAPTER_CORS_ALLOW_WebSockets" --cors.exposeHeaders stringArray cors expose headers. Env "TAOS_ADAPTER_Expose_Headers"
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--cors.allowWebSockets cors allow WebSockets. Env "TAOS_ADAPTER_CORS_ALLOW_WebSockets"
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--cors.exposeHeaders stringArray cors expose headers. Env "TAOS_ADAPTER_Expose_Headers"
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--debug enable debug mode. Env "TAOS_ADAPTER_DEBUG" (default true)
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--help Print this help message and exit
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--httpCodeServerError Use a non-200 http status code when server returns an error. Env "TAOS_ADAPTER_HTTP_CODE_SERVER_ERROR"
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--influxdb.enable enable influxdb. Env "TAOS_ADAPTER_INFLUXDB_ENABLE" (default true)
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--log.enableRecordHttpSql whether to record http sql. Env "TAOS_ADAPTER_LOG_ENABLE_RECORD_HTTP_SQL"
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--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)
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--log.path string log path. Env "TAOS_ADAPTER_LOG_PATH" (default "/var/log/taos")
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--log.rotationCount uint log rotation count. Env "TAOS_ADAPTER_LOG_ROTATION_COUNT" (default 30)
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--log.rotationSize string log rotation size(KB MB GB), must be a positive integer. Env "TAOS_ADAPTER_LOG_ROTATION_SIZE" (default "1GB")
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--log.rotationTime duration log rotation time. Env "TAOS_ADAPTER_LOG_ROTATION_TIME" (default 24h0m0s)
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--log.sqlRotationCount uint record sql log rotation count. Env "TAOS_ADAPTER_LOG_SQL_ROTATION_COUNT" (default 2)
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--monitor.password string TDengine password. Env "TAOS_ADAPTER_MONITOR_PASSWORD" (default "taosdata")
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--monitor.pauseAllMemoryThreshold float Memory percentage threshold for pause all. Env "TAOS_ADAPTER_MONITOR_PAUSE_ALL_MEMORY_THRESHOLD" (default 80)
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--monitor.pauseQueryMemoryThreshold float Memory percentage threshold for pause query. Env "TAOS_ADAPTER_MONITOR_PAUSE_QUERY_MEMORY_THRESHOLD" (default 70)
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--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)
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--monitor.user string TDengine user. Env "TAOS_ADAPTER_MONITOR_USER" (default "root")
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--monitor.writeInterval duration Set write to TDengine interval. Env "TAOS_ADAPTER_MONITOR_WRITE_INTERVAL" (default 30s)
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--monitor.writeToTD Whether write metrics to TDengine. Env "TAOS_ADAPTER_MONITOR_WRITE_TO_TD"
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--node_exporter.caCertFile string node_exporter ca cert file path. Env "TAOS_ADAPTER_NODE_EXPORTER_CA_CERT_FILE"
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--node_exporter.certFile string node_exporter cert file path. Env "TAOS_ADAPTER_NODE_EXPORTER_CERT_FILE"
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--restfulRowLimit int restful returns the maximum number of rows (-1 means no limit). Env "TAOS_ADAPTER_RESTFUL_ROW_LIMIT" (default -1)
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--smlAutoCreateDB Whether to automatically create db when writing with schemaless. Env "TAOS_ADAPTER_SML_AUTO_CREATE_DB"
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--statsd.allowPendingMessages int statsd allow pending messages. Env "TAOS_ADAPTER_STATSD_ALLOW_PENDING_MESSAGES" (default 50000)
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--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)
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--statsd.db string statsd db name. Env "TAOS_ADAPTER_STATSD_DB" (default "statsd")
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--statsd.deleteCounters statsd delete counter cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_COUNTERS" (default true)
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--statsd.deleteGauges statsd delete gauge cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_GAUGES" (default true)
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--statsd.deleteSets statsd delete set cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_SETS" (default true)
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--statsd.deleteTimings statsd delete timing cache after gather. Env "TAOS_ADAPTER_STATSD_DELETE_TIMINGS" (default true)
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--statsd.password string statsd password. Env "TAOS_ADAPTER_STATSD_PASSWORD" (default "taosdata")
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--statsd.port int statsd server port. Env "TAOS_ADAPTER_STATSD_PORT" (default 6044)
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--statsd.protocol string statsd protocol [tcp or udp]. Env "TAOS_ADAPTER_STATSD_PROTOCOL" (default "udp")
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--statsd.tcpKeepAlive enable tcp keep alive. Env "TAOS_ADAPTER_STATSD_TCP_KEEP_ALIVE" --statsd.ttl int statsd data ttl. Env "TAOS_ADAPTER_STATSD_TTL"
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--statsd.tcpKeepAlive enable tcp keep alive. Env "TAOS_ADAPTER_STATSD_TCP_KEEP_ALIVE"
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--statsd.ttl int statsd data ttl. Env "TAOS_ADAPTER_STATSD_TTL"
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--statsd.user string statsd user. Env "TAOS_ADAPTER_STATSD_USER" (default "root")
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--statsd.worker int statsd write worker. Env "TAOS_ADAPTER_STATSD_WORKER" (default 10)
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--taosConfigDir string load taos client config path. Env "TAOS_ADAPTER_TAOS_CONFIG_FILE"
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@ -166,19 +171,19 @@ AllowWebSockets
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- 兼容 InfluxDB v1 写接口
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[https://docs.influxdata.com/influxdb/v2.0/reference/api/influxdb-1x/write/](https://docs.influxdata.com/influxdb/v2.0/reference/api/influxdb-1x/write/)
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- 兼容 OpenTSDB JSON 和 telnet 格式写入
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- \<http://opentsdb.net/docs/build/html/api_http/put.html>
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- \<http://opentsdb.net/docs/build/html/api_telnet/put.html>
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- 与 collectd 无缝连接
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- \<http://opentsdb.net/docs/build/html/api_http/put.html\>
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- \<http://opentsdb.net/docs/build/html/api_telnet/put.html\>
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- 与 collectd 无缝连接。
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collectd 是一个系统统计收集守护程序,请访问 [https://collectd.org/](https://collectd.org/) 了解更多信息。
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- Seamless connection with StatsD
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- Seamless connection with StatsD。
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StatsD 是一个简单而强大的统计信息汇总的守护程序。请访问 [https://github.com/statsd/statsd](https://github.com/statsd/statsd) 了解更多信息。
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- 与 icinga2 的无缝连接
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- 与 icinga2 的无缝连接。
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icinga2 是一个收集检查结果指标和性能数据的软件。请访问 [https://icinga.com/docs/icinga-2/latest/doc/14-features/#opentsdb-writer](https://icinga.com/docs/icinga-2/latest/doc/14-features/#opentsdb-writer) 了解更多信息。
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- 与 tcollector 无缝连接
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- 与 tcollector 无缝连接。
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TCollector是一个客户端进程,从本地收集器收集数据,并将数据推送到 OpenTSDB。请访问 [http://opentsdb.net/docs/build/html/user_guide/utilities/tcollector.html](http://opentsdb.net/docs/build/html/user_guide/utilities/tcollector.html) 了解更多信息。
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- 无缝连接 node_exporter
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- 无缝连接 node_exporter。
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node_export 是一个机器指标的导出器。请访问 [https://github.com/prometheus/node_exporter](https://github.com/prometheus/node_exporter) 了解更多信息。
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- 支持 Prometheus remote_read 和 remote_write
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- 支持 Prometheus remote_read 和 remote_write。
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remote_read 和 remote_write 是 Prometheus 数据读写分离的集群方案。请访问[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) 了解更多信息。
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- 获取 table 所在的虚拟节点组(VGroup)的 VGroup ID。
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### TDengine RESTful 接口
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您可以使用任何支持 http 协议的客户端通过访问 RESTful 接口地址 `http://<fqdn>:6041/rest/sql` 来写入数据到 TDengine 或从 TDengine 中查询数据。细节请参考[官方文档](../../connector/rest-api/)。
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您可以使用任何支持 http 协议的客户端通过访问 RESTful 接口地址 `http://<fqdn>:6041/rest/sql` 来写入数据到 TDengine 或从 TDengine 中查询数据。细节请参考[REST API 文档](../../connector/rest-api/)。
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### InfluxDB
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您可以使用任何支持 http 协议的客户端访问 Restful 接口地址 `http://<fqdn>:6041/<APIEndPoint>` 来写入 InfluxDB 兼容格式的数据到 TDengine。EndPoint 如下:
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```text
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/influxdb/v1/write
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```
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您可以使用任何支持 http 协议的客户端访问 Restful 接口地址 `http://<fqdn>:6041/influxdb/v1/write` 来写入 InfluxDB 兼容格式的数据到 TDengine。
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支持 InfluxDB 参数如下:
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@ -229,8 +229,9 @@ vi source-demo.json
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"config":{
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"connector.class": "com.taosdata.kafka.connect.source.TDengineSourceConnector",
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"tasks.max": 1,
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"subscription.group.id": "source-demo",
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"connection.url": "jdbc:TAOS://127.0.0.1:6030",
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"connection.username": "root",
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"connection.user": "root",
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"connection.password": "taosdata",
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"connection.database": "test",
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"connection.attempts": 3,
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## 其他说明
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1. 关于如何在独立安装的 Kafka 环境使用 Kafka Connect 插件, 请参考官方文档:\<https://kafka.apache.org/documentation/#connect>。
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1. 关于如何在独立安装的 Kafka 环境使用 Kafka Connect 插件, 请参考官方文档:\<https://kafka.apache.org/documentation/#connect\>。
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## 问题反馈
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无论遇到任何问题,都欢迎在本项目的 Github 仓库反馈:\<https://github.com/taosdata/kafka-connect-tdengine/issues>。
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无论遇到任何问题,都欢迎在本项目的 Github 仓库反馈:\<https://github.com/taosdata/kafka-connect-tdengine/issues\>。
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## 参考
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1. \<https://kafka.apache.org/documentation/>
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1. \<https://kafka.apache.org/documentation/\>
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