Prometheus vs Splunk: what is the difference for observability and log analytics?
The question is about Prometheus .
Prometheus collects and stores numeric metrics through periodic scraping, while Splunk indexes and searches log and machine data across an organization. Prometheus keeps scraped samples on local disk for 15 days by default, and Splunk typically meters licenses by the gigabyte of data ingested per day. The two tools solve different problems and are often run side by side rather than swapped for one another.
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