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Large file upload: no more server restarts
2026.10.21-cytometrie-memoire-depot ·
Delivered build : f4d95d82b68199fb835dd07a155838bace41f460
Changes
- Registering an uploaded file (SHA-256 fingerprint) read the whole file into memory: a 243 MiB FCS added about 490 MB on top of the cytometry cache and restarted the server, briefly signing every user out. The fingerprint is now computed as a stream (measured overhead: 32 MB); the result is identical.
- A cytometry tube load now waits until the memory actually in use allows it, and fails cleanly after 20 seconds ("try again in a few seconds") instead of saturating the server.
Known limitations
- Under heavy simultaneous loading of very large files, a load may be refused and must be retried.
- FCS files are limited to 300 MiB.