---
# System prepended metadata

title: Agenda 2024-04-18
tags: [meeting, update]

---

# Agenda 2024-04-18

###### tags: `meeting` `update`
- Attendees
    - [x] Adam
    - [x] Alan
    - [ ] Andy
    - [ ] Chi-Li
    - [x] Eric
    - [x] Justin
    - [x] Micah
    - [x] Nathan
    - [ ] Nenad

- Previous Action Items
    - camera choice for Justin (PCO)
        - https://www.excelitas.com/product/pcoedge-42-clhs-scmos-camera
    - solidify workshop agenda
    - AIND attendees (+Walter, +2)


- Topics
    - ZarrV3 streaming performance improvements
    - intro to Justin Eskesen


- Meeting Minutes
    - ZarrV3
        - (after Alan's fix) now keeping up with exaspim camera @full speed (3-4x improvement using small chunk, large shard) 
            - change => Zarr writer reserve, buffers are now preallocated
            - 1871 MB/s [zulip](https://acquire-imaging.zulipchat.com/#narrow/stream/399529-general/topic/Releases/near/432800610)
        - Adam running longevity test (3 day) 
    - [Adam] : How do we add multiscale in?
        - issue currently is OME and ZarrV2 doesn't have sharding so won't be as fast
        - Neuroglancer has ZarrV3 - we should investigate

- Action Items
    - [ ] Alan : reach out to Jeremy (Neuroglancer) re: ZarrV3
    - [ ] Micah : test latest fix with Hamamatsu camera rig
  