It would be even more helpful if '*' was allowed for setting the stack size on filter inserters. ;-) I'm confused... isn't that just the same as not limiting? No. If you select '*' and '+' for an arithmetic combinator, then the '*' on the output means "Apply the operation to each input signal....

This thread popped up when I was doing a search for this main topic. I eventually found the solution in the WIKI. Reproduced below for other people who stumble here. In answer to the "why is it slow" question, with all those biters to calculate every tick, it certainly would run slow even ...

I've noticed this problem on some old requester chests in 16.10. Haven't yet played enough to see if it crops up still. For me it seemed to be migrated chests only, but I'm not at a point in my new playthrough to have bots to test with.

I think I'm getting something similar, although it happens about 3 seconds after loading an old map, so I can't tell. A slightly earlier map save works for a few seconds longer, but still too short to tell which train (or other issue) is causing the problem. Here's the save, and log snippet is below...

I second this complaint. The way it was outlined in the FFF made it look really useful. But since they now only allow the player to pull from them, it's much less useful. Use case: Load from trains into logistic buffer. Let those do load leveling. Logistic buffer then loads into requester chests in ...