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hydradatabase/columnar

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Postgres-native columnar storage extension

18 mentions on Hacker News by 9 people: 3 stories, 15 comments · first 2022-12-13 · latest 2024-08-17

Mentions per year 18 mentions · busiest year 2023 (10)
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  1. re: columnar - https://github.com/hydradatabase/hydra/tree/main/columnar a much updated fork of citus' columnar using Postgres tableam. re: duckdb handling storage - https://github.com/hydradatabase/pg_quack/tree/branch-0.0.1 an earlier…
    comment by jerrysievert · 2024-08-17 · in pg_duckdb: Splicing Duck and Elephant DNA
  2. …feel bad, lots of people get bitten by not reading all the way down to the bottom of their readme: https://github.com/hydradatabase/hydra/blob/v1.1.2/README.md... While Hydra may very well license their own code Apache 2, they ship the…
    comment by mdaniel · 2024-04-11 · in Using ClickHouse to scale an events engine
  3. …ParadeDB - AGPL License https://github.com/paradedb/paradedb/blob/dev/LICENSE Hydra - Apache 2.0 https://github.com/hydradatabase/hydra/blob/main/LICENSE also hydra seems derived from citusdata's columnar implementation.
    comment by kapilvt · 2024-04-11 · in Using ClickHouse to scale an events engine
  4. …here are two but I think I’m missing at least another one: https://github.com/citusdata/cstore_fdw https://github.com/hydradatabase/hydra You can also connect other stores using the foreign data wrappers, like parquet files stored on an…
    comment by speedgoose · 2024-02-22 · in Moving a billion Postgres rows on a $100 budget
  5. ▲ 1
    Hydra (YC W22) adds upsert to columnar Postgres
    story by coatue · 2023-12-15 · 1 comment
  6. New column store alternative : https://github.com/hydradatabase/hydra HN: https://news.ycombinator.com/item?id=37571974
    comment by pella · 2023-09-22 · in Is ClickHouse Moving Away from Open Source?
  7. …files in the repo so the consumer should read their explicit licensing section of the readme < https://github.com/hydradatabase/hydra#license > since the GitHub sidebar is misleading
    comment by mdaniel · 2023-09-20 · in Show HN: Hydra - Open-Source Columnar Postgres
  8. ▲ 122
    Show HN: Hydra - Open-Source Columnar Postgres
    story by coatue · 2023-09-19 · 33 comments
  9. …db operation and how to approach MVCC encoded in PostgreSQL that shouldn't be underestimated. [0]: https://github.com/hydradatabase/hydra
    comment by c0balt · 2023-09-08 · in How Query Engines Work
  10. …GitHub summary claims but rather *some* is Apache and buried in the interior is some AGPL stuff: https://github.com/hydradatabase/hydra#license
    comment by mdaniel · 2023-08-25 · in Hydra: Column-Oriented Postgres
  11. …with an existing install, it's all fairly easy. # Requirements - lz4 - zstd # Building git clone https://github.com/hydradatabase/hydra cd hydra/columnar ./configure make make install # Install CREATE EXTENSION IF NOT EXISTS columnar; The…
    comment by samgaw · 2023-08-04 · in Show HN: Hydra 1.0 – open-source column-oriented Postgres
  12. hydra columnar inherits its license from citus: https://github.com/hydradatabase/hydra/blob/main/columnar/LI... but, hydra itself is more than just the columnar extension.
    comment by jerrysievert · 2023-08-03 · in Show HN: Hydra 1.0 – open-source column-oriented Postgres
  13. …sometime in the near future? Based on the source code, it appears that they are not supported: https://github.com/hydradatabase/hydra/blob/96056312e7c0f413... "... Columnar supports `btree` and `hash `indexes (and the constraints requiring…
    comment by pella · 2023-08-03 · in Show HN: Hydra 1.0 – open-source column-oriented Postgres
  14. …prior releases of parallelization and vectorization. Hydra is open source - star us on Github! ( https://github.com/hydradatabase/hydra ) We are offering 14-day free trials of our cloud managed Hydra databases. Click the 'Get Started for…
    comment by coatue · 2023-03-03 · in Updates and Deletes on Columnar Postgres
  15. based on https://github.com/HydrasDB/hydra/blob/main/columnar/src/bac... the columnar "does not support gist, gin, spgist and brin indexes." :-( and "gist" is important for spatial indexing : http://postgis.net/workshops/postgis-intro/index…
    comment by pella · 2022-12-15 · in Hydra – the fastest Postgres for analytics [benchmarks]
  16. > the Alpha Snowflake alternative https://github.com/HydrasDB/hydra#-status I'm not trying to throw shade whatsoever, just drawing attention to the project's own status checklist
    comment by mdaniel · 2022-12-14 · in Hydra: Open-source Snowflake alternative. OLAP Postgres
  17. ▲ 29
    Hydra: Open-source Snowflake alternative. OLAP Postgres
    story by yarapavan · 2022-12-14 · 3 comments
  18. …you can review the clickbench benchmarks and the method of how we built Hydra. Hydra open source ( https://github.com/HydrasDB/hydra ) Starting today, we are now offering 14-day free trials of our cloud managed Hydra databases. Click the…
    comment by coatue · 2022-12-13 · in Hydra – the fastest Postgres for analytics [benchmarks]