Astra is a cloud-native search and analytics engine for log, trace, and audit data. It is designed to be easy to operate, cost-effective, and scale to petabytes of data.
https://slackhq.github.io/astra/
- Native support for log, trace, audit use cases.
 - Aggressively prioritize ingest of recent data over older data.
 - Full-text search capability.
 - First-class Kubernetes support for all components.
 - Autoscaling of ingest and query capacity.
 - Coordination free ingestion, so failure of a single node does not impact ingestion.
 - Works out of the box with sensible defaults.
 - Designed for zero data loss.
 - First-class Grafana support with accompanying plugin.
 - Built-in multi-tenancy, supporting several small use-cases on a single cluster.
 - Supports the majority of Apache Lucene features.
 - Drop-in replacement for most Opensearch log use cases.
 - Operate with multiple cloud providers.
 
- General-purpose search cases, such as for an ecommerce site.
 - Document mutability - records are expected to be append only.
 - Additional storage engines other than Lucene.
 - Support for JVM versions other than the current LTS.
 - Supporting multiple Lucene versions.
 
Licensed under MIT. Copyright (c) 2024 Slack.