lastra-format

Here are 6 public repositories matching this topic...

QTSurfer / lastra-java

QTSurfer Lastra: columnar time series format with per-column codecs, row groups, and CRC32 integrity. ALP/Gorilla/Pongo for doubles, delta-varint for timestamps, ZSTD/gzip for binary. Java 11+

compression time-series format zstd columnar-storage financial-data columnar alp lastra lastra-format

Updated Aug 10, 2026
Java

QTSurfer / lastra-ts

Star

TypeScript reader for the QTSurfer Lastra columnar time series format. Decodes ALP, delta-varint, ZSTD/gzip columns. ~4 kB bundle, browser + Node.js.

compression time-series zstd financial-data columnar alp lastra lastra-format

Updated Aug 1, 2026
TypeScript

QTSurfer / lastra-py

Star

Python reader and writer for the Lastra columnar time series file format. Per-column codec selection (ALP, Gorilla, Pongo, delta-varint, VARLEN). Bit-exact compatible with lastra-java.

compression gorilla time-series tick-data pongo columnar alp ohlcv lastra lastra-format

Updated May 6, 2026
Python

QTSurfer / lastra-convert-py

Star

CLI converter for the Lastra columnar time series file format. Parquet / CSV / Arrow ↔️ Lastra round-trips.

csv time-series parquet columnar-storage parquet-files columnar lastra lastra-format

Updated Jul 13, 2026
Python

QTSurfer / duckdb-lastra

Star

DuckDB extension for reading Lastra columnar time series files natively

extension time-series time-series-analysis duckdb duckdb-wasm duckdb-extension lastra lastra-format

Updated Aug 10, 2026
C++

QTSurfer / lastra-convert

Star

Convert time series from/to Parquet,Lastra and CSV format. CLI with auto-detection and Java API.

csv csv-files parquet csv-export csv-import parquet-files parquet-tools csv-import-export lastra lastra-format

Updated Sep 4, 2026
Java

Add this topic to your repo

To associate your repository with the lastra-format topic, visit your repo's landing page and select "manage topics."

Learn more