# Uploads 2.0
## Problems
- Clouflare workers aren't good for handling large uploads
- CAR chunking was a workaround
- TreeWalk file chunking (where each chunk has a root CID) requires storing chunks on disk or memory
- new importer is designed to allow streaming blocks uploads, would be nice if we don't introduce blockstore just for treewalk
- We need to tag related cars on S3 so they end up in same deals on filecoin
## Next Steps
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