rsyslog

rsyslog.com

The rocket-fast system for log processing pipelines

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/ About /

rsyslog is an open-source, high-performance log processing engine that collects, transforms, and routes event data at scale. It supports diverse inputs (syslog, files, Kafka, journals), flexible parsing via RainerScript, and outputs to Elasticsearch, Kafka, HTTP endpoints, and more. With over 20 years in production, it is designed for Linux environments including containers and bare-metal deployments.

/ How it works /

rsyslog ingests logs from various sources, applies filtering and transformation rules via RainerScript and plug-in modules, and forwards processed events to configured outputs using disk-assisted queues for reliable delivery.

/ Who it's for /

system administrators and DevOps/platform engineers managing log pipelines at scale

/ More info /

Background.

Status
launched
Business model
open-source
/ Discovered patterns /

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