# 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