Grafana Query Language

This article introduces the time series database, InfluxDB, which is an open source application written in the Go programming language. SWIS query language. Grafana is the visualization layer to visualize metrics stored in the Prometheus database. For example, you can render multiple queries in a Grafana graph, but each query can be done only against a single Prometheus server. For example, here is a query that is perhaps better expressed in PromQL than SQL:. A graph shows how many requests are handled by our dummy API server Grafana Server. Grafana is an open source platform for time series analytics. This gives greater flexibility for what the language can do. The instructions are included in this file, so I’ll just repeat them here: The exported Power Query Formula Language (M Language) can be used with Power Query in Exceland Power BI Desktop. this is how I understand this query language and if I am wrong on any part please feel free…. Grafana supports templating allowing a more dynamic and interactive graphing through variables within each query acting as placeholders. Grafana is a often used to augment Prometheus and other monitoring tools. 248 ()Location: San Francisco United States ()Registed: Unknown; Ping: 2 ms; HostName: 104. Create, explore, and share dashboards with your team and foster a data driven culture: Visualize: Fast and flexible client side graphs with a multitude of options. Net - Duration: 19:11. Grafana is a data visualization and analytics tool that allows you to build dashboards and graphs for your metrics data. The simple yet powerful query language feels familiar to most developers, and works on any data format - structured or unstructured. Alerts are defined using the same powerful query language described above. The HTTP API it offers is just a way to pass InfluxQL over the wire. A log query consists of two parts: a log stream selector, and a filter expression. Welcome to Apache HBase™ Apache HBase™ is the Hadoop database, a distributed, scalable, big data store. According to Grafana Labs, Grafana allows you to query, visualize, alert on, and understand your metrics no matter where they are stored. Kausal combines Prometheus monitoring, log aggregation and OpenTracing compatible distributed tracing into a hosted observability service for developers. The HTTP API it offers is just a way to pass InfluxQL over the wire. Said differently, “alert me at least 24 hours before the disk fills up” instead of “alert me when the disk is 90% full”. We will also be learning basics of Prometheus query language. You can also check the official documentation: InfluxQL query language. Grafana describes itself as the leading open source software for time series analytics. Index Use ¶. The request's JSON will contain:. Graphite queries usually only take 50-150ms (except some rare cases). Prometheus is a powerful, open-source monitoring system that collects metrics from your services and stores them in a time-series database. Device Detail dashboard. How it works. Real Time JMeter Result Using Backend Listener and use influx query language - https: Grafana supports many storage backend for time series data. Supporting rich integration for every popular database like Graphite, Prometheus and InfluxDB. This represents the biggest advance in the InfluxDB API since 0. So monitoring results with GUI become very very non realistic on massive load. Next you’ll need to add the local InfluxDB as a datasource from which you can query in Grafana: Then it’s just a question of adding graphs using Grafana’s web interface. Grafana is an open source graphical tool dedicated to query, visualize, and alert all your metrics. Notice: Undefined index: HTTP_REFERER in H:\root\home\moose4x-001\www\site1\3rkez\pw0r. Grafana visualizing Prometheus data Working Example. Centralize and aggregate all your log files for 100% visibility. Jmeter GUI is well known for its huge resource intensiveness. From the Blogosphere. This is because the h2o_quality measurement only has two tag keys. Data mining query languages can be designed to support such a feature. We also bundle a dashboard within Grafana so you can get started viewing your metrics faster. For example, you can render multiple queries in a Grafana graph, but each query can be done only against a single Prometheus server. M3 is a new metrics database that has been developed by Uber. Chronograf – a simple web application for building graphs and dashboards from InfluxDB data Kapacitor – an alerting and data processing engine which processes data from InfluxDB and can perform operations on it or trigger events After evaluating Chronograf we decided that it was not as feature-rich as Grafana,. Grafana can add influxdb as a backend, so the transition was totally seamless and we could roll it out gradually while writing to both backends for a while. And the service “endpoint” and “clientId” are been added as Labels for Prometheus’s dimensional data model. GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. Flux is the new query language of the Influx DataBase, one of the most known Time Series Database. GetApp permite a profesionales como tú que descubran y elijan recursos de software gratuitos. JMeter Load Test Dashboard. View Ranjith Abraham’s profile on LinkedIn, the world's largest professional community. View Florin Motoc’s profile on LinkedIn, the world's largest professional community. This is where we come to Grafana. Grafana shares Flux's passion for analytics and data science. We can derive throughput metrics for the uplink if we scrape these metrics every few second and load them into a time-series database. So monitoring results with GUI become very very non realistic on massive load. You can now query data using the Prometheus Query Language. Grafana issues queries and takes data responses in JSON. The join operator supports a number of hints that control the way a query executes. What I really want, is that the list/template variable pot_names expands into a query for each item in it. esp8266-V10 - Free download as Powerpoint Presentation (. Net - Duration: 19:11. o matter where your data is, or what kind of database it lives in, you can bring it together with Grafana. M3 is a new metrics database that has been developed by Uber. The time precision of the epoch returned in the time column can be specified via the time_precision query parameter. There is a standalone version based on LevelDB as an alternative. get list available functions. Then, you can use PromQL to query this data. ) so it is easy to adopt or migrate to from other platforms like Splunk or ElasticSearch ELK. Specification. Even if you don’t know the query language itself, Grafana query editors are designed in a point-and-click way that’s intuitive. If, however, the query can use an index but the query predicates do not access a single contiguous range of index keys or the query also contains conditions on fields outside the index, then in addition to using the index, MongoDB must also read the documents to return the count. Grafana is an open source platform for time series analytics. In addition to its powerful visualisations, Grafana is not tied to a particular stack or vendor, and supports multiple backend data sources including InfluxDB, Graphite. · Leveraged Grafana Authentication and Prometheus’ robust query language (PromQL) to secure up-to-the-minute cluster health and performance metrics. 6 pre release builds and save a dashboard, then downgrade to Grafana 2. The Grafana and Azure Data Explorer teams have created a dedicated plugin which enables you to connect to and visualize data from Azure Data Explorer using its intuitive and powerful Kusto Query Language. Also Team makes to code review. Grafana is a general purpose dashboard and graph composer. jrutkowski 2017-09-26 13:21:06 UTC #1. In easy language dont use Drop Down or templating variable which you have defined in templating section on top. pdf - Free download as PDF File (. Out of the box, Kibana’s query language now includes scripted field support and a simplified, easier to use syntax. The InfluxDB. Unfortunately for our goals, it has some limitations for ordering by a specific database column. Still, it can be very easy to use if we ignore all of its optional parameters and simply feed it a string to search for. Based on LevelDB, Influxdata is a time series database that's written in Go. First of all giving the type is not mandatory. Grafana can add influxdb as a backend, so the transition was totally seamless and we could roll it out gradually while writing to both backends for a while. Functions are chained off each other. For example, define a function that takes a datetime field (in the UTC format) and converts it to a standard US format. Currently, in all Python Monasca components, the copy of kafka-python library in version 0. CREATE CONTINUOUS QUERY clicks_per_hour ON mydb BEGIN SELECT COUNT(name) INTO clicksCount_1h FROM clicks GROUP BY time(1h) END Listing Continuous Queries. In just a few minutes, you can unlock the potential of your data and create your first Grafana dashboard with Azure Data Explorer. Is your company using GraphQL? Edit this page with a Pull Request to add your logo. esp8266 programming. The Grafana dashboards also became valued assets throughout the organization, from high-level execs such as Sorenson who want a monitoring overview, to developers who want drill-down links on all the panels, to programmers who extract insights through a query API for more complex analysis. If you are already using Grafana, you can now use it to monitor Azure services and applications too, thanks to the new Azure Monitor data source plugin, built by the team at Grafana Labs, the company behind Grafana. GrafanaCon_Cloud_Data_Sources. Each data source has a specific Query Editor that is customized for the features and capabilities that the particular data source exposes. Here at Timber we've found Prometheus to be awesome, but PromQL difficult to wrap our heads around. Kafka client upgrade¶. It also supports data from various sources like parse tables, log files, JSON, etc. The following. Chronograf – a simple web application for building graphs and dashboards from InfluxDB data Kapacitor – an alerting and data processing engine which processes data from InfluxDB and can perform operations on it or trigger events After evaluating Chronograf we decided that it was not as feature-rich as Grafana,. (Other Time Series dbs have a query editor with dropdowns and intellisense but the Prometheus community generally prefers to use PromQL). It is very useful for visualizing large-scale measurement data. this is how I understand this query language and if I am wrong on any part please feel free…. If you have a Basic license or above, autocomplete functionality will also be enabled. When writing points, you must specify an existing database in the db query parameter. grafana-statefulset. Centralize and aggregate all your log files for 100% visibility. Grafana gives you the power to visualize any metric available on your Prometheus server — all accessible within a specialized Prometheus Query Editor. I already do have Grafana installed, but I’m still getting to grips with its query interface, and the Node Red approach for something quite basic seemed like it would be easier (at least that’s what I thought ). Its purpose is to model collected data into beautiful and useful dashboards. SWIS query language. Time Series: For time series data there are these conditions. We can create beautiful dashboards on the time series data over Graphite time series data. Getting Started With Grafana and InfluxDB. An example query using Kusto Query Language. Grafana is an open source graphical tool dedicated to query, visualize, and alert all your metrics. To view data stored in the database, access the Prometheus UI (by default localhost:9090, this address can be changed in prometheus. There has to be time column; There has to be string column to define metric name. For more detailed information about the Lucene query. If not possible, the current fork should be refactored to allow its further maintenance. If, however, the query can use an index but the query predicates do not access a single contiguous range of index keys or the query also contains conditions on fields outside the index, then in addition to using the index, MongoDB must also read the documents to return the count. Grafana has global built-in variables that can be used in expressions in the query editor. Prometheus's query language supports basic logical and arithmetic operators. what is the correct way to deal with the metric from the pod after pod's restart? The issue is that pod's name. It's focused on providing rich ways to visualize time series metrics, mainly though graphs but supports other ways to visualize data through a pluggable panel architecture. @ThomDietrich does a query like this calculate the Power? InfluxDB has Integral but grafana somehow only let us use the default value 1s. Grafana consumes the same PromQL API used by the Web UI and alert manager. However, the changes section provides the diff between the different versions of CQL. 12 videos Play all Grafana screencasts Grafana Programming in Visual Basic. Query support: They concluded SQL could not easily handle the types of queries they wanted to run on time-series data. Python) –Graphite, collectd. 0) has support for InfluxDB 0. org i couldn’t see the query which i required. Grafana is an open source feature rich metrics dashboard. For the state management uses Redux, Mobx etc. Check out the details here. This cheat sheet is a quick reference to the Solr query language. Powerful query language The Prometheus query language PromQL lets the user select and aggregate time series data in real time. A Prometheus query for pending and firing alerts (for details see Inspecting alerts during runtime) The step option is useful to limit the number of events returned from your query. Prometheus has its own query language called PromQL and… Prometheus Monitoring. We can define the PromQL queries with Grafana. How Bloomberg Tracks Hundreds of Billions of Data Points Daily with MetricTank and Grafana This topic has been deleted. Let's try and understand what's happening here and how Grafana variables work. Grafana plugin for Azure Monitor and Application Insights preview. How to Monitor Docker Containers using Grafana on Ubuntu August 3, 2016 Updated December 10, 2016 LINUX HOWTO , MONITORING Grafana is an open source feature rich metrics dashboard. Today in grafana an annotation can have tags and they are visualized as a series of colored labels when you hover over the annotation. For code quality uses Typescript, Eslint and Prettier. get list available functions. In this case the backend is Wavefront. Roman has 8 jobs listed on their profile. 1 A Data Mining Query Language: A desired feature of data mining systems is the ability to support ad hoc and interactive data mining in order to facilitate the flexible and effective knowledge discovery. We have data in InfluxDB, now let's visualise this in Grafana. It provides automatic data lifecycle management by expiring & deleting old data. Grafana is the leading open source project for visualizing metrics. Both ingestion endpoints submit all events to a single query engine for indexing and analytics. Grafana dashboard as code using grafanalib. Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. To learn how to create a highly available Grafana set up, you can consult How to setup Grafana for High Availability from the official Grafana docs. I did never implement the latter but would be interested in a solution and would happily add it to the InfluxDB+Grafana tutorial. However, knowing how to construct the payload is important. It lets you structure the query using JSON, so it will be well structured and give you control over the whole logic. Grafana is a visualization platform to understand metrics. It uses Docker Compose to bring up the Grafana, Prometheus, and Streams Metric Exporter components together. KSQL lowers the entry bar to the world of stream processing, providing a simple and completely interactive SQL interface for processing data in Kafka. Grafana has rapidly become one of the de-facto "DevOps" tools for real time monitoring dashboards of time series metrics. Python) -Graphite, collectd. This page explains the InfluxQL syntax. At the time of writing this, the Grafana repository is down. Python) –Graphite, collectd. Grafana describes itself as the leading open source software for time series analytics. Riemann builds an index of all of the services it monitors and provides a dashboard to visualize that data. Getting Started on Monitoring with Prometheus and Grafana - AMIS. The query can be called from Grafana, from command line or via REST Api call. For the state management uses Redux, Mobx etc. It also integrates nicely with graphing tools like Grafana and the alerting tool Alertmanager. Additionally, handy wrappers for the Influx Query Language (IQL) to manage and explore a remote database are provided. persist file. Get an overview of the language features as well as the moving parts for a working deployment. To see the continuous queries you have defined, query SHOW CONTINUOUS QUERIES and InfluxDB will return the name and query for each continuous query in the database. Grafana is an open source metric analytics & visualization suite. yml) and use the Prometheus Query Language; Creating a Grafana dashboard¶ Grafana can be used to create dashboards from data stored in InfluxDB or Prometheus databases. However, Prometheus storage engine is designed for keeping mainly the short-term data. Grafana consumes the same PromQL API used by the Web UI and alert manager. Then, you can use PromQL to query this data. Grafana: Provides predefined example Dashboards visualizing the metrics collected by the inspectIT Ocelot agent. Kibana’s legacy query language (based on Lucene query syntax) is still available for the time being under the options menu in the Query Bar. We can connect different data sources to grafana and create meaningful, rich dashboard for different workloads. There are other timeseries databases in the market, like Graphite, Prometheus. We'll talk about the use of the query language for dashboards and alerting in the next two sections. If you start typing in the Query field, you’ll get code-completion to help you get started. Arithmetic binary operators. This article is the continuation of this previous article. The Monitoring Query Language (MQL) syntax governs expressions for querying metrics that are published to the Monitoring service. One which apparently, by the way, is Turing complete. Presto was designed and written from the ground up for interactive analytics and approaches the speed of commercial data warehouses while scaling to the size of organizations like. Visualize your Application Insights using Grafana. As with most Grafana plugins, the code is installed in /var/lib/grafana/plugins, and a server restart makes the data source available in the UI. This easy-to-use Query Editor allows you to build queries based on the data source for your panel. In this section, we are going to explain the key concepts behind InfluxDB and the key query associated with it. SQL-like query language; Horizontal scalability : Cluster, Replication, HA = alpha state Grafana An open source, feature rich metrics dashboard and graph editor. For example, here is a query that is perhaps better expressed in PromQL than SQL:. Prometheus Query Language allows to select, filter, aggregate and perform vector operations on time series data in real-time. In short, the quite efficient daemon scrapes metrics from remote machines using HTTP protocol and stores data in the local time-series database. Common Issues with COUNT() COUNT() and fill() Most InfluxQL functions report null values for time intervals with no data, and fill() replaces that null value with the fill_option. For the state management uses Redux, Mobx etc. The need to monitor and control the system performances is not new. InfluxDB - InfluxDB is a time series, metrics, and analytics database. 12 videos Play all Grafana screencasts Grafana Programming in Visual Basic. As part of a sweeping set of upgrades for version 6. However, the storage is not designed to be durable for the time being. Grafana will be the first choice for most users, nevertheless, LogCLI represents a viable standalone alternative. events integrates nicely with existing business intelligence tools using SQL & Elasticsearch query language. Grafana visualizing Prometheus data Working Example. This is where we come to Grafana. Why you should learn Prometheus query language Grafana and Prometheus are very powerful tools that enable you to monitor almost anything about your Kubernetes cluster. Grafana talks to prometheus by using the PromQL query language. Analysis of data is done via a SQL-like query language. Both ingestion endpoints submit all events to a single query engine for indexing and analytics. I find the Query Builder editor mode doesn't work for me very well; the JavaScript has issues (clicking on certain controls doesn't work) and you just can't represent some features of the InfluxDB query language using the form (like an OR statement). Notice: Undefined index: HTTP_REFERER in H:\root\home\moose4x-001\www\site1\3rkez\pw0r. Here at Timber we've found Prometheus to be awesome, but PromQL difficult to wrap our heads around. Of course there is also a possibility of writing text queries, but not all of query language features are available. The new Warp 10 datasource plugin allows you to query the Warp 10 database using the WarpScript query language and visualize the results in Grafana. than run below command in RPi2. Grafana Back Ends » ADMIN Magazine Read more. Prometheus is especially helpful because it collects the metrics, stores them in its time-series database, and allows you to select and aggregate the data using its PromQL query language. Very powerful query language. Date: May 2016. It allows for flexible and accurate time series data, powering its Prometheus query language. The basic version of Grafana supports many different storage backends for your time series data – it’s a Data Source, which has a specific and customizable Query Editor. popular libraries. A time series database is used to store log, sensor and other data, over a period of time. The example below uses the same two query technique that we used for divideSeries but it works with multiple time series! I learned these three techniques by looking at Grafana dashboards built by some of the Graphite experts that work with me at Raintank/Grafana Labs. InfluxDB is an open source distributed time series database. For code quality uses Typescript, Eslint and Prettier. Head over to Grafana download page, download the zip and unzip it wherever you want. The simple yet powerful query language feels familiar to most developers, and works on any data format - structured or unstructured. Grafana consumes the same PromQL API used by the Web UI and alert manager. The evening will have something interesting f. Prometheus has a simple and powerful model allowing to carry out analysis of infrastructure performance. Use this syntax when querying Fusion via the Query API Monitoring Solr with Prometheus and Grafana;. CQL Overview. Additional Grafana Documentation ; Data Source Supported; Manage Grafana Users Additional Grafana Documentation. This is changing a bit with newer slower time series databases that don't have good roll ups or are generally slow. When lucene is selected as your query language you can also submit queries using the Elasticsearch Query DSL. Why need to choose GraphQL over REST/OData in a Web API Application development. What is new is the trend of clever, lightweight, easy to setup, open source metric collectors in the market, along with timeseries databases to store these metrics, and user friendly front ends through which to display and analyse. We didn’t find any Prometheus/Grafana templates for Neo4j ready to be used, and this is the first reason for this tutorial. Is there an implemented way in either Grafana or Influx db, that could help detect outliers in a data set, and if possible remove, or at least avoid displaying them from a dashboard that uses this data set; I used percentiles, but that does not seem to hide substantial outliers. The tutorial environment is pictured below. With Thanos, on the other hand, you can query and aggregate data from multiple Prometheus servers, because all of them are available from a single endpoint. Update, February 20, 2017: Since this blog post was published, we have released Percona Monitoring and Management (PMM), which is the easiest way to monitor MySQL and MongoDB using Grafana and Prometheus. If the column-name list is omitted, then the names of the columns in the view are derived from the names of the result-set columns in the select-stmt. View Wei-Ting Chen’s profile on LinkedIn, the world's largest professional community. Grafana is a tool for data visualization, monitoring, and analysis. - Pushing time series is supported via an intermediary gateway. DashBoard Efficiency. 搭建监控系统,如何在grafana中配置elasticsearch的query? 数据库已连接, [图片] [图片] 红线标出的地方 应该填什么。 目前我在elasticsearch中有的索引是test,类型是employee,每一个文档的内容是员工的信息 显示全部. In general, the HTTP handbook will be of interest to driver developers. It has the multi-value option enabled. ) Just fill in the template to display the metrics you want, the way you want to see them. {DOMAIN} address, where {DOMAIN} is the domain of your Kyma cluster. Fortunately this doesn't have to be done much, as most people with use Grafana in front of it most of the time. If you love JSON, that is. Understanding Machine CPU usage. A comparison between Graphite and Grafana based on sentiments, reviews, pricing, features and market share analysis. It uses a SQL-like (or to be totally honest, an "almost-SQL") language. See the complete profile on LinkedIn and discover Pedro’s connections and jobs at similar companies. If you have a Basic license or above, autocomplete functionality will also be enabled. Additionally, you can extract labels from prometheus with the label_values function, which takes a label name and an optional metrics name parameter. Pretty-Printed Results. Then create Saved Queries for them and call them by name in Grafana instead of writing the entire query in Grafana. A log query consists of two parts: a log stream selector, and a filter expression. Ex: i would like to monitor 70+ server’s so i need all 70+ servers CPU, MEMORY, DISKSPACE etc in single panel/graph i need that query. See Data Exploration to learn about time syntax and regular expressions in queries. I find the Query Builder editor mode doesn't work for me very well; the JavaScript has issues (clicking on certain controls doesn't work) and you just can't represent some features of the InfluxDB query language using the form (like an OR statement). These variables are only available in Grafana v6. V3: Both: Link: FrOData: Provides a simple idiomatic Ruby interface for working with OData V4 APIs. This package allows you to fetch and write time series data from/to an InfluxDB server. Drill is designed from the ground up to support high-performance analysis on the semi-structured and rapidly evolving data coming from modern Big Data applications, while still providing the familiarity and ecosystem of ANSI SQL, the industry-standard query language. View the sample code project on GitHub Graphite. The result of an expression can either be shown as a graph, viewed as tabular data in Prometheus's expression browser, or consumed by external systems via the HTTP API. Grafana is great tool for that. Therefore the first step is to import the correct dashboards required by the module. This gap can be filled in by InfluxDB time-series database having it to store the long-term data and perform downsampling. Grafana Query Language Read more. To access the Grafana UI, use the https://grafana. Centralize and aggregate all your log files for 100% visibility. Need to have single HTTP endpoint for managing CRUD operation and performing custom actions. It gives you everything that a good enterprise monitoring tool needs in one place: Good API, easy integration, time series database, real-time data, alerting, and flexibility. Local functions and parameters. Data Mining Query Languages 2699. Language keywords are typically written in lower-case. Frontend team uses popular and modern libraries of Javascript. Monitoring things like CPU usage, memory usage, amount of HTTP request served, etc. A query for SELECT * from "My_Item" returns no results so I know that. When you’re building your application, ultimately what matters most is having the right data model available for the task at hand. RESTier is a RESTful API development framework for building standardized, OData V4 based REST services on. It offers a variety of input protocol support and created its own query language, InfluxQL, inspired from SQL. I followed all the config steps and was able to successfully see the sine wave chart. Grafana is a data visualization and analytics tool that allows you to build dashboards and graphs for your metrics data. Grafana: Grafana is an open source metric dashboard and graph editor. The $__interval Variable. Net How to Connect Access Database to VB. Let’s say it out loud – the query language of Elasticsearch is really great. For the state management uses Redux, Mobx etc. The Grafana and Azure Data Explorer teams have created a dedicated plugin which enables you to connect to and visualize data from Azure Data Explorer using its intuitive and powerful Kusto Query Language. It is optimized for Grafana, Prometheus and Kubernetes. Grafana also supports alerts and notifications for metrics. Language keywords are typically written in lower-case. We will setup dashboard that can be drilled down to specific host and service. Dalmatiner Query Language. Who’s using GraphQL? GraphQL is used by teams of all sizes in many different environments and languages to power mobile apps, websites, and APIs. Covers queries that are useful for viewing and exploring your schema. 2,967 Following 15,019 Followers 10,625 Tweets. I find the Query Builder editor mode doesn't work for me very well; the JavaScript has issues (clicking on certain controls doesn't work) and you just can't represent some features of the InfluxDB query language using the form (like an OR statement). DashBoards and Variables. The sample data is then used and referenced in Data Exploration, Schema Exploration, and Functions. jhat - Java Heap Analysis Tool In this article we are going to elaborate the jhat command tool which is a part of JAVA commands (comes with jdk package). system used to create, manage, deliver, and archive all types of content from text documents and spreadsheets to digital images, HTML, and XML components. At its core, Prometheus uses time-series data, and provides a powerful query language to analyze that data. Implementing a custom monitoring stack with Nagios, InfluxDB and Grafana February 14, 2016 September 28, 2016 markri Monitoring At Netvlies we were using Nagios for quite some time as our monitoring stack. The original informal language name M seems to have stuck, and even the Microsoft documentation refers to M. I haven't used Influx for a bit, but I actually like it less than Prometheus for general monitoring because you have to manage the database and collection separately, and the DB had some scaling issues last time I used it, and I like Prometheus' query language better. DashBoard Efficiency. They are currently always interpolated as epoch milliseconds. Influxdata is able to work around the disk IO issues with some write optimizations and no one metric = one file requirements. The ballot to approve the GQL project was voted on by countries that are participating members in ISO/IEC JTC1. Grafana has user friendly support for InfluxDB queries, where you can click the entire configuration and have a hint of syntax. Creating a database.