influxdb replication

Tags: auth influxdb running his icon doc should group by ACKGrafana comes with a feature-rich data source plug-in influxdb. Supports rich query Editor, annotations, and templating (template) queries. Adding data sources (Adding the source) Click the top Grafana icon to open the side menu. In the Dashboards side menu under links, you should find a link called data sources. Click on the but

Influxdb and traditional database in the concept of a lot of different, this article will give you some basic concepts in the INFLUXDB, more influxdb detailed tutorial see: INFLUXDB Series of Learning Tutorials DirectoryINFLUXDB Technology Group: 580487672 (click to join)Comparison with nouns in traditional database

InfluxDB is an open source distributed timing, event, and metrics database.Written in the Go language without external dependencies. Its design goal is to achieve distributed and horizontal scaling expansion.It has three main features:1. Time series (timeseries): You can use time-related functions (such as Max, Min, sum, etc.)2. Metrics (Metric): You can calculate large amounts of data in real time3. Eevents (Event): It supports arbitrary event dataCh

1 drop measurement disk_free 3. Data retention strategy (Retention policies)INFLUXDB does not provide a way to directly delete data records, but provides a data retention policy that is used primarily to specify the time to retain data, and to delete this part of the data over a specified time. View current database retention policies 1 show retention policies on"db_name"

efficiently.Iii. InfluxDB data retention policy operations 1) query Policy You can use the following statement to view the existing database policies: > SHOW RETENTION POLICIES ON telegrafname duration shardGroupDuration replicaN defaultdefault 0 168h0m0s 1 true As you can see, telegraf has only one policy. The meaning of each field is as follows: Name -- name, which is default Duration-duration, 0 indicates Unlimi

1) count () functionReturns the number of non-null values in an (field) field.Grammar:SELECT COUNT (Example:>select COUNT (water_level) from H2o_feetname:h2o_feet--------------time count1970-01-01t00:0 0:00z 15258Description Water_level This field has a total of 15,258 data in the H2o_feet table.Note: The function in Influxdb will default to epoch 0 (1970-01-01t00:00:00z) as time if no time is specified.You can add a time condition to the where, as fo

timestampinsert disk_free,hostname=server01 value=442221834240i 1435362189575692182Delete a tabledrop measurement disk_freeData Retention policy (Retention policies)INFLUXDB does not provide a way to directly delete data records, but provides a data retention policy that is used primarily to specify the time to retain data, and to delete this part of the data over a specified time.View current database retention policiesshow retention policies on cpu

Tags: flush table tor months Insert data lookup function max two pointsThis article is part of the series Influxdb series, which includes the following 15 parts: influxdb to learn Influxdb installation and introduction influxdb basic operation of learning Influxd