1

This question already has an answer here:

Wondering why my blocks are processing so slowly. Peers ranging from 0 to 10. About 45,000 blocks behind... Processing 1 block about every 5 seconds.

marked as duplicate by Waqar Lim Nov 8 '16 at 11:59

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

3

You are not alone. The network was under DoS attacks for several weeks. They spammed the nodes with special transactions exploiting too low gas costs for several operations.

Yesterday (Oct-19, 2016) was a hard fork to mitigate that attack by increasing gas costs for several operations. After block 2,463,000 your synchronization process will go back to normal.

Not the answer you're looking for? Browse other questions tagged or ask your own question.