Thanks Andrew,
This is looking great! On Tue, Sep 22, 2026, 4:06 AM Andrew Lamb <[email protected]> wrote: > I am happy to report the blog is now published to the Parquet website: > > https://parquet.apache.org/blog/2026/09/22/alp-adaptive-lossless-floating-point-encoding-in-apache-parquet/ > > On Fri, Sep 18, 2026 at 2:22 PM Andrew Lamb <[email protected]> > wrote: > > > Now that we have completed the 2.14 release of Parquet, we are ready to > > publish the ALP blog. > > > > I spent a little more time today ~obsessing~ editing, and I think it is > > ready. If anyone else would like to review, please let us know otherwise > > I hope to publish it early next week > > > > You can find a rendered preview here: > > > https://alamb.github.io/parquet-site/blog/2026/09/18/alp-adaptive-lossless-floating-point-encoding-in-apache-parquet/ > > > > The PR is here: https://github.com/apache/parquet-site/pull/195 > > > > > > Andrew > > > > p.s. For anyone who reviewed previous versions, the major changes are > > acknowledgements section and I updated the ecosystem adoption text (I > > copy/pasted the current wording below for your convenience) > > > > ----- > > > > Acknowledgements > > ALP was first published in a SIGMOD 2024 paper by Azim Afroozeh, Leonardo > > Kuffó, and Peter Boncz from the Database Architectures Group at CWI. The > > Vortex and Lance formats adopted ALP early, demonstrating its benefits in > > industrial applications. In late 2025, the community began the > > standardization process. Along with the authors of this blog, many > > community members contributed, including Divjot Arora, Arnav Balyan, > Devan > > Benz, Ryan Blue, Alkis Evlogimenos, Vinoo Ganesh, Adrian Garcia > Badaracco, > > Curt Hagenlocher, Amogh Jahagirdar, Micah Kornfield, Robert Kruszewski, > > Julien Le Dem, Kevin Liu, Steve Loughran, Ismaël Mejía, mwish, Antoine > > Pitrou, Adam Reeve, Ed Seidl, Russell Spitzer, Matt Topol, Jeffrey Vo, > > Daniel Weeks, Gang Wu, and Zehua Zou. > > > > Ecosystem Adoption > > The encoding was released as part of parquet-format 2.14.0 in September > > 2026. ALP is already supported in at least one major open source > > implementation (the parquet 60.0.0 Rust crate), and we expect other > Parquet > > implementations to add support in the coming months. Please check the > > Implementation Status page for the current state of support. You can also > > try it today on your own datasets using the tool in the ALP benchmark > > repository. > > > > > > On Sat, Aug 29, 2026 at 8:22 AM Andrew Lamb <[email protected]> > > wrote: > > > >> An update here: we have added the BYTE_STREAM_SPLIT + ZSTD > >> > >> Also, thank you to Arnav, Russell and Jigao for their comments > >> > >> Again, if anyone would like to review the current draft it is at [1] and > >> a rendered preview is at [2]. > >> > >> Andrew > >> > >> > >> [1]: https://github.com/apache/parquet-site/pull/195 > >> [2]: > >> > https://alamb.github.io/parquet-site/blog/2026/08/14/alp-adaptive-lossless-floating-point-encoding-in-apache-parquet/ > >> > >> > >> On Tue, Aug 25, 2026 at 1:34 PM Andrew Lamb <[email protected]> > >> wrote: > >> > >>> Thanks Antoine, > >>> > >>> I will work with Kosta to update the numbers for the post. In the > >>> interim, in case anyone is interested, you can see early results > here[1]. > >>> Spoiler is that BYTE_STREAM_SPLIT + ZSTD > >>> * Gets the best average compression ratio > >>> * Same average compression speed as PLAIN+ZSTD (both about 2x faster > >>> than ALP) > >>> * An order of magnitude slower for decompression and random lookup than > >>> ALP > >>> > >>> Andrew > >>> > >>> [1]: https://github.com/alamb/alp_benchmark/issues/3 > >>> > >>> On Tue, Aug 25, 2026 at 4:44 AM Antoine Pitrou <[email protected]> > >>> wrote: > >>> > >>>> > >>>> It would be nice if the post included BYTE_STREAM_SPLIT + ZSTD in the > >>>> benchmark comparisons. > >>>> > >>>> Regards > >>>> > >>>> Antoine. > >>>> > >>>> > >>>> Le 23/08/2026 à 17:17, PRATEEK GAUR a écrit : > >>>> > Enjoyed working with Kosta and Andrew on this. > >>>> > > >>>> > I was waiting for the email to show up in my inbox after Kosta sent > >>>> it. > >>>> > > >>>> > But then realized this might have gone to spam. > >>>> > Hoping replying to the email thread will pull it out of spam for > >>>> others. > >>>> > > >>>> > Best > >>>> > Prateek > >>>> > > >>>> > On Sat, Aug 22, 2026 at 9:22 AM Kosta Tarasov < > >>>> [email protected]> > >>>> > wrote: > >>>> > > >>>> >> Hi everyone, > >>>> >> > >>>> >> Andrew, Prateek, and I have been working on the ALP blog[1] and we > >>>> think > >>>> >> it's ready for review/comment. > >>>> >> > >>>> >> The blog covers the motivation for ALP, performance results, a > >>>> technical > >>>> >> overview, and ecosystem adoption. > >>>> >> > >>>> >> A rendered preview is available[2]. > >>>> >> > >>>> >> Thanks, > >>>> >> Kosta > >>>> >> > >>>> >> [1]: https://github.com/apache/parquet-site/pull/195 > >>>> >> > >>>> >> [2]: > >>>> >> > >>>> > https://alamb.github.io/parquet-site/blog/2026/08/14/alp-adaptive-lossless-floating-point-encoding-in-apache-parquet/ > >>>> >> > >>>> > > >>>> > >>>> > >>>> >
