Can using ServerInfo.sendData() too often cause Bungee-side lag?

I've posted a few threads on this but with no solution still, but basically my Bungee has randomly been freezing up for a few seconds, causing lag-spikes throughout the network and making some people time out.

I've been trying to diagnose the problem, and this has occurred to me - is it possible that overusing ServerInfo.sendData() in a Bungee plugin could cause lag?

My Bungee has 17 servers connected to it, and code like this:

Can using ServerInfo.sendData() too often cause Bungee-side lag?