Evidence
Lightweight BI using SQL and markdown
Metrics store is a category of tools used for storing, querying, and visualizing time series data. When it comes to evidence that is open source in metrics store category, there are several open-source metrics store options available for users to choose from. These include: Prometheus: Prometheus is an open-source monitoring system and time-series database that is used for collecting, processing, and storing metrics. It provides a powerful query language, PromQL, which allows users to retrieve and aggregate time-series data. Prometheus also offers several visualization options, including a built-in expression browser and integrations with Grafana and other third-party visualization tools. InfluxDB: InfluxDB is another popular open-source time-series database that is optimized for high write throughput and query performance. It offers a SQL-like query language, InfluxQL, as well as support for Grafana and other visualization tools. In addition, InfluxDB includes built-in functions for data transformation and aggregation, making it a powerful option for working with time-series data. OpenTSDB: OpenTSDB is a distributed, scalable time-series database that is built on top of Apache HBase. It offers a REST API for data ingestion and querying, as well as a powerful query language that supports complex aggregations and transformations. OpenTSDB also includes built-in support for graphing and visualization through its built-in web UI. These open-source metrics store options offer users the ability to store, query, and visualize time-series data at scale, while also being able to modify and customize the software to meet their specific needs. They also provide an accessible and cost-effective option for companies or individuals who may not have the budget to invest in commercial solutions.