If you're running on a server with 1Gbps, then yes - it can be an issue. Another issue (I'm going to add a section on it) is that you can peg the CPU at 100% ve

If you're running on a server with 1Gbps, then yes - it can be an issue. Another issue (I'm going to add a section on it) is that you can peg the CPU at 100% very easily. Parsing HTML / Running xPaths uses a lot of CPU, so if you're running a good number of threads this can quickly become a problem.