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: grafana collectd influxdbWhy study Grafana, COLLECTD and InfluxDB, because I work in the use of open source monitoring software (Nagios, Cacti) drawing is based on RRD implementation, and frankly not very beautiful, and can not customize the chart, But with my development level can not do to write their own charts. 650) this.width=650; "src=" Http://img.baidu.com/hi/jx2/j_0059.gif "alt=" J_0059.gif "/>GRAFANA+COLLECTD+
(Core)2 Installing COLLECTDInstalling dependent packages and COLLECTDYum-y Install Epel-releaseYum-y Install COLLECTDCOLLECTD the installed version is now collectd-5.8.0-4.el7.x86_64COLLECTD Dependent epel-release Installation sourceInstalling the RRDtool PluginIn order to communicate with Influxdb, COLLECTD as the client, need to connect the INFLUXDB port 25826
Tags: base URL Access View name proxy extra def leaseTelegraf+influxdb+grafana Open Source Monitoring architecture:Telegraf monitoring items are full, no need to install additional plugins, very powerfulTelegraf:wget https://dl.influxdata.com/telegraf/releases/telegraf-1.5.1-1.x86_64.rpmrpm-i telegraf-1.5.1-1.x86_64. Rpmservice Telegraf RestartThe default will point to 127.0.0.1 's influxdb 8086 port (/etc/
Tags: column into simple format host related MAT statement LANHere is a note of the simple use of the influx console, for more features please refer to INFLUXDB official documentation: HTTPS://DOCS.INFLUXDATA.COM/INFLUXDB/V1.1/ Environment: centos6.5_x64Influxdb version: 1.1.0Preparatory work
Start the server
Execute the following command: Service Influxd
First, INFLUXDB open COLLECTD plug-in
InfluxDB now bring a COLLECTD plug-in to get the data from the COLLECTD client, it was not so convenient, oh, 0.8. Version 4 previously can only be connected by a third-party program such as Influxdb-collectd-proxy to COLLECTD and InfluxDB.InfluxDB comes with the COLLECTD plug-in i
First,InfluxDB open collectd plug-inInfluxDB now bring a COLLECTD plug-in to get the data from the COLLECTD client, it was not so convenient, oh, 0.8. Version 4 previously can only be connected by a third-party program such as Influxdb-collectd-proxy to COLLECTD and InfluxDB.InfluxDB comes with the COLLECTD plug-in is turned off by default, you need to manually c
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
data, creating tables at the same timeshowdbnames (client) client.query ("Drop Measurement Students")#Delete a tableShowdbnames (client)Data manipulationInfluxdbclient to specify a connected database in the following example:Client = influxdbclient ('localhost'root') testdb'# initialization (specifies the database to be manipulated)
Add to
This can be achieved through write_points, with the
: InstallationYum Install Influxdb-y4: Start service, store bootService Influxdb StartSystemctl Enable InfluxdbService INFLUXDB Status5: The service uses the port by default:Networking By default, InfluxDB uses the following network ports:TCP Port 8083 is used for InfluxDB '
Tags: lib language free style amp href sel out comEnvironment: centos6.5_x64 Influxdb version: 1.1.0 The C language Development library is not available on the INFLUXDB website, but GitHub offers: Https://github.com/influxdata/influxdb-c However, this version is early, and so far does not support 0.9 and later versions. Here is my own development of the
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
Dashboard Final EffectMore windows to execute SHHeapster+influxdb+grafana ConstructionThe entire architecture is dashboard to detect Hepster service services, Heapster through Cadvisor collects data into the influxdb. Instead, dashboard accesses the 8086 port of the Heapster Svc to get the data drawing.Prepare Yamlhttps://github.com/kubernetes/heapster/blob/master/deploy/kube-config/
Tags: influxdb 1.2 web Client InstallationInfluxdb from 1.3 to cancel their own web page, which brings inconvenience to a lot of people, especially the students just contact Influxdb. The RPM-based installation on CentOS is available here. Version
InfluxDB 1.2.4
CentOS 7
1. Download RPM Package wget
In the previous blog post, we introduced the key features, data reading and writing, and application scenarios of the necessary-influxdb for Internet-level monitoring systems:The influxdb of the time-series database of Internet-level monitoring systemIn this article, we introduce the construction of the INFLUXDB database cluster, and share the pits we encounter w
Tags: docker docker monitor Cadvisor influxdb Grafana1. ConceptCadvisor: For data acquisitionInfluxDB: For data storageGrafana: For data presentation1.1 Cadvisor
It is a monitoring tool that Google uses to monitor the resource information of a single node. Cadvisor provides a glance at a single node multi-container resource monitoring function. Google's kubernetes also by default as a single-node resource monitoring tool, the lack of provinci
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