UD-data structure for storing large immutable blobs

Hey, I am researching ability to store large (up to ~20-50 Mb) immutable blobs in aerospike, optimized for atomic write-once, repeated read-all-or-nothing. What are my options besides manual chunking and Large stack with jumbo objects?

BTW, the limit of 1MB is applicable when there is a disk persistence. But if the data is purely in memory, then you can insert 50MB elements too. So, you could consider this if your overall data size is small. Otherwise, there is no way out without chunking.