and in general, pudge much more comparable to: - badger (embeddable db engine based on LSM Tree) - leveldb /goleveldb (embeddable db engine based on LSM Tree)

and in general, pudge much more comparable to: - badger (embeddable db engine based on LSM Tree) - leveldb /goleveldb (embeddable db engine based on LSM Tree) - bolt/LMDB/pogreb (embeddable db engine with active use of MMAP) - rocksdb and so on redis is more about in-memory data-structures, then about key/value store.