Performance optimization techniques in time series databases: Limiting concurrency
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The latest News and Information on Databases and related technologies.
This blog post is also available as a recorded talk with slides.
Relabeling is an important feature that allows users to modify metadata (labels) of scraped metrics before they ever make it to the database. As an example, some of your scrape targets may generate metric labels with underscores (_), and some of your targets may generate labels with hyphens (-). Relabeling allows you to make this consistent, making database queries easier to write.