Thank you Julien. When can we expect a new arrow package release so that I can compile a doc for customers to donate footers to us?
binary in question: https://github.com/apache/arrow/blob/main/cpp/tools/parquet/parquet_dump_footer.cc On Sat, Aug 3, 2024 at 3:17 AM Julien Le Dem <jul...@apache.org> wrote: > Following up on my action item, I have created the parquet-benchmark repo: > https://github.com/apache/parquet-benchmark > > On Wed, Jul 31, 2024 at 3:46 PM Julien Le Dem <jul...@apache.org> wrote: > > > Attendees: > > > > - > > > > Micah: Google, no special topic today > > - > > > > Alkis: Databricks, storage stack. Topic: Parquet extension PR so that > > we can go in the format. Want to fix the metadata to make it work for > wide > > schemas. > > - > > > > Vinoo: Palantir -> startup in data space. Working on improving the > > website. > > - > > > > Julien: Datadog. Topic: Make parquet reading possible to be done > > sequentially (as opposed to footer first) > > - > > > > Rok: Voltron -> freelance in Fintech. Care about Parquet performance. > > Have time to contribute to footers (“V3”). > > > > > > Follow up items: > > > > Mika’s Parquet format changes process > > > > - > > > > First PR merged, need to finalize java > > - > > > > => Mostly done > > > > Jira -> github migration > > > > - > > > > Getting started with github. Will follow up on the mailing list. > > - > > > > => mostly closed discussion. Some follow up async on the discussion. > > > > > > Agenda: > > > > - > > > > Finalizing [EXTERNAL] Parquet extensions > > < > https://docs.google.com/document/d/1KkoR0DjzYnLQXO-d0oRBv2k157IZU0_injqd4eV4WiI/edit#heading=h.15ohoov5qqm6 > > > > > > - > > > > AI: Alkis Evlogimenos <alkis.evlogime...@databricks.com> to update > > PR with everything in the doc except Alternatives Considered and > split the > > examples in another page. > > - > > > > New footer metadata discussion. > > > > > > Discussion: > > > > - > > > > Extensions: > > - > > > > Add functionality to read/write the extension and show that we can > > ignore it. > > - > > > > 1: write an extension and read the old footer that ignores it. > > - > > > > 2: write extension and allow reading it back. > > - > > > > New metadata: > > - > > > > Flatbuffer is bigger than thrift: need to optimize metadata > > - > > > > Start from a 1-1 implementation to existing footer and keep > > iterating 1 commit at a time. > > - > > > > Would like to have a branch in github arrow cpp or a public fork on > > github to share the prototype. > > - > > > > Add to parquet-tool to print the footer. > > - > > > > Add utility to obfuscate schema so that people can share their > > metadata without sharing proprietary information. > > - > > > > That way we can have data about slow footers and validate we can > > read faster with the new footer > > - > > > > => creation of a database of footers. > > - > > > > Getting a feel of what features are used by users. > > - > > > > Alkis would want to share his findings through a blog post. > > - > > > > Also need to make sure the addition of the new footer doesn’t > > impact old footers too much. > > - > > > > Possibly: > > - > > > > Codspeed for performance testing > > - > > > > Thrift linter: https://github.com/thrift-labs/thrift-fmt > > - > > > > AI: > > - > > > > [Julien] Create a parquet-benchmark repo for a footer db and > > other things > > - > > > > Example: https://github.com/rok/parquet-benchmark > > - > > > > Alkis to pick where on github to push his prototype branch > > - > > > > Follow up on: > > - > > > > https://github.com/apache/parquet-format/pull/445 > > > > >
