greptimedb
https://github.com/greptimeteam/greptimedb
Rust
An open-source, cloud-native, unified time series database for metrics, logs and events with SQL/PromQL supported. Available on GreptimeCloud.
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- Issues
- refactor(json2): push down json2 type hints to parquet reads
- perf: cache bulk-memtable unordered-part sort (18-1818x on repeated reads)
- perf: shard PageRangeCache index lock (+24.6% concurrent scan throughput)
- test: fix unknown channel event context expectation
- refactor(procedure): centralize event context handling
- feat(event): record admin function executions
- feat!: update native histogram unsigned int types
- mito: memtable apply failures during WAL replay are silently swallowed; partial write failures leave stats inconsistent
- Speed up Prometheus JSON response building: ryu float formatting and per-series entry reuse
- Implement Skywalking tracing backend compatibility (gRPC ingestion + GraphQL API) in GreptimeDB
- Docs
- Rust not yet supported