Prometheus is described as 'open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community' and is an app in the System & Hardware category. There are more than 50 alternatives to Prometheus for a variety of platforms, including Linux, Online / Web-based, Windows, Mac and Self-Hosted solutions. The best alternative is Graylog, which is both free and Open Source. Other great apps like Prometheus are Datadog (Paid), Kibana (Paid), Logstash (Free, Open Source) and Open Web Analytics (Free, Open Source).
Graylog is an open source syslog implementation that stores your logs in Elasticsearch. It consists of a server and web interface written in Java that accepts your syslog messages via TCP or UDP (or GELF messages) and stores it in the database.
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Graylog vs Prometheus opinions
pros, cons and recent comments
MrDrMcCoy Graylog doesn't store metrics, Prometheus doesn't store logs.
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