4 ms·
Is it using https://github.com/tvondra/tdigest https://github.com/tvondra/tdigest under the hood, or a separate implementation?
by vvern 5y ago
Is it using https://github.com/tvondra/tdigest https://github.com/tvondra/tdigest under the hood, or a separate implementation?
- Lockerman 5y agoa separate implementation
- mfreed 5y agoIf folks are interested: https://github.com/timescale/timescaledb-toolkit/blob/main/extension/src/tdigest.rs https://github.com/timescale/timescaledb-toolkit/blob/main/e... (The TimescaleDB Toolkit is also implemented in Rust)
- rogers18445 5y agoFacebook seems to have an even better performance implementation using sqrt. Might make sense to port that over to Rust. https://github.com/facebook/folly/blob/master/folly/stats/TDigest.h https://github.com/facebook/folly/blob/master/folly/stats/TD...