What is admin.progress?
admin.progress
admin.progress()
Prints info on blockchain synching.
pending and cached
Quote from @kalarabe
ethereum/go-ethereum – Gitter
pending means that we know about the block, but haven’t downloaded it yet
cached means that we have already downloaded it, and it’s waiting to be pulled by the importer
the cache is used for throttling. no need to pull in blocks faster than you can import