I'm using MFD right now and I pretty much get out an MFD on each focus target immediately followed by a rupture. If more then 2 targets are in an area I'll envenom and immediately FoK to spread the poisons. I've got the lead assist job, so all the DPS is essentially supposed to be on my target. I should be doing okay damage based on how quickly we move through targets but I'm just not. This rogue is my alt, and I've got pretty limited raid experience, but I was looking for your tips on more effectively DPSing the fight.
Logs (whole raid):