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Tags: php write pos uses the error BSP button to specify manual The HTTP API also has two operations: Write and query, this article first introduces you to the Influxdb HTTP API write operation mode.In the previous article on INFLUXDB study: The basic operation of INFLUXDB learning Influxdb, we mentioned that there are
InfluxDB: InfluxDB http api Query In the last article on InfluxDB: InfluxDB's InfluxDB http api write operation, we introduced the process of using InfluxDB's http api to write data, this article introduces how to use InfluxDB's http api to query data. For more details about Influx
Recently used in the InfluxDB, here to record the learning process, but also hope to help other students to learn.This paper mainly introduces the functional characteristics of INFLUXDB and the installation process of INFLUXDB. For more Influxdb detailed tutorials See: INFLUXDB
Use python to operate InfluxDB and python to operate influxdb Environment: CentOS6.5 _ x64InfluxDB version: 1.1.0Python: 2.6Preparations Start the server Run the following command: service influxdb start Example: [root@localhost ~]# service influxdb startStarting influxdb
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) 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
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
INFLUXDB can process tens of thousands of data per second, saving all of this data in a large amount of storage space, and sometimes we may not need to store all of the historical data, so INFLUXDB introduced a data retention policy (Retention policies), Used to allow us to customize the data retention time. For more Influxdb detailed tutorials See:
First, the current domestic civil license plate are 92-type license plate.Some parameters of its license plate are as follows:A: The total length is 440mm;B: height is 140mm;C: One of the word Fu is 45mm;D: The entire license plate area character length is 409mm (here at the back of the calculation when the convenience
, can identify identity cards, driving licences, business cards and other identification documents, as well as vehicle driving license, license plate number and other vehicle information. With the camera support and video triggering, automatic classification function, can achieve rapid batch acquisition of identity card information.Functional Features: Using text-to-text recognition (OCR) technolog
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: If the function in Influxdb does not have a specified time, it will default to epoch 0 ( 1970-01-01T00:00:00Z ) as the time.You can add a time condition
is: (2.116-2.064/(6m/12m)Calculates the rate of change for the maximum value every 12 minutes> SELECT derivative (MAX (water_level)) from H2o_feet WHERE location = ' Santa_monica ' and Time >= ' 2015-08-18t00:00:00Z ' and Time This function is very versatile, very complex, more detailed explanation of this function please crossing: https://docs.influxdata.com/influxdb/v0.13/query_language/functions/#derivative2) difference () functionEffect: Returns
Tags: readme.md open zhang Pat Hot add bar version-sharedThis is my previous INFLUXDB installation and configuration notes, recorded here, it is also convenient for me to check later. Environment: centos6.5_x64 Influxdb version: 1.1.0First, install 1, binary installationHere is an example of centos6.5 installation: wget https://dl.influxdata.com/influxdb/release
Comparison with nouns in traditional database Nouns in the nfluxdb Concepts in a traditional database database database measurement table in the database Points A row of data inside the table Second, the unique concept of INFLUXDB1) database--database, this database concept with traditional database.2) measurement--data Sheet, in Influxdb, measurement is the role
Build a modern monitoring system using Grafana, collectd, and InfluxDB To create a beautiful real-time monitoring system like New Relic, we only need the three InfluxDB, collectd, and Grafana tools. The relationship between these three tools is as follows: Collect data-> store data (InfluxDB)-> display data (Grafana ). Inf
Recently in the monitoring of the container, encountered Influxdb this library, engaged for two days, a little understand some routines, make a record, memo ....The summary is as follows:Influxdb Go Language WritingBy default Influxdb creates a library that associates Autogen with the RP (Storage policy), that is, the data is retained permanentlyDifferences in monitoring and loggingRecently, monitoring is t
integer or float64.A percent value is an integer or floating-point number between 100 and 0, including 100.Grammar:SELECT percentile (Example:> SELECT percentile (water_level,5), location from H2o_feetname:h2o_feet--------------time Percenti Le location2015-08-28t12:06:00z 1.122 Santa_monicais to apply the Water_level field to a different location for a percentage, and then take the fifth bit of data.This article is from the "DBSpace" blog, so be sure to keep this source http://dbspace.blog.51c
This is a creation in Article, where the information may have evolved or changed. Objective Influxdb is an open-source timing database based on Golang, with no additional dependencies, for recording metrics, events, and data analysis. This article discusses the INFLUXDB version above 1.2.0 . This article only discusses INFLUXDB data storage applications in monito
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