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# System prepended metadata

title: '2024-02-20'
tags: [Tuesday]

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---
tags: Tuesday
---

# 2024-02-20

Attending: Will, Dom, Frances, June, Khaled, Josh, Andreas, Erin, David, Maadhav, Kyle, Kevin, Melissa, Tom, Petr, Muhanad, 

Start: 2:00 pm UK

## Accepting minutes from [last meeting](https://hackmd.io/team/ome?nav=overview)

## Project Status

(2-3 minutes each)

- IDR (Frances):
    - testing microservices 
    - persisting issues
        - goofys mount had disappeared, led to memofile issues.
        - memo files get deleted if ZarrReader or BioFormats version differs from those used to create memo files
        - ZarrReader release with update that strips out structured annotations from memo file to reduce size and allow faster loading.
        - Update this on idr-testing. memo file regeneration in progress

- OMERO 

- Bio-Formats
    - Melissa: discussed Java 21 yesterday. PR open to add Java 21 build to gh actions - passing! Will announce support...

- NGFF (Josh)
  - [zarr v3 rfc](https://ngff--227.org.readthedocs.build/rfc/2/index.html). Will review...
  - hyper-spectral / event-based file format request from community
      - store as event-based log? -> visualise as image. Needs investigation
  - metadata discussions, incl. ([GIDE](https://twitter.com/GIDEproject)) BioImage Archive, Riken etc.
      - What's our role?

- GerBI (Tom)
    - setting up new servers with Rocky Linux 9 etc.
    - OMERO.figure testing (vite PR)

- Glencoe (Erin)
    - Thanks to Petr for help with OMERO.web testing
    - Kevin/Chris looking a Zarr reading from s3 perf
        - s3fs implementation of Java File system does lots of checks (permissions, metadata etc.) Can avoid these in many cases.
        - Initial 2x or 3x perf improvements. Looking at RGB chunking now...

- Community (Petr)
    - Karolinska outreach - finalizing the disabled pyramid service (some users images not viewable) clarifications, good outreach though
    - 7th-8th March the University Gadjah Mada Yogyakarta, Indonesia outreach
    - OME community meeting dates TBD

## AOB

(5 min. max; tech. Discussion should be highlighted to relevant people and rescheduled)

## Main Topic

(20-25 minutes plus 15 minutes questions max)
