
Originally Posted by
Mikey_R
Which is why the data uses the average over all the data they have to come up with the values, to eliminate the variability as much as possible.
To highlight why it is not fair to compare tanks under rDPS, let's take 2 jobs. Job 1 is pure sustain. It's rotation does the same damage through the whole thing, including the burst. The second job does an enormous amount of damage in the burst, but nothing for the rest of the minute. Overall, after a minute, they will go the same DPS though.
If you then add in raid buffs, which are multiplicative, the sustained job is going to get a bump, however, the burst job is going to get a massive bump, causing it's DPS to skyrocket. If you then take the average over a minute for both, the burst job is going to have a higher DPS than the sustained one. In this case, which tank is contributing more? It should be obvious the burst job is contributing more DPS to the fight because it lines up with the raid buffs better.
This is also why just using rDPS for everything is not accurate. A job using a raid buff gets all the benefits that the other jobs put in. This buff job didn't do anything except put a buff out, the one receiving the buff is the one that put the effort in after all. But, a selfish job gets no benefit from raid buffs, as you jus give that contribution to someone else.
There are pros and cons to both rDPS and aDPS and recognising where, when and how to use the data sets effectively is key, you cannot just look at one and use that as the king of metrics.
Tanks have no raid buffs, so they receive nothing from any other job, all that matters is how well they play into raid buffs, which is where aDPS comes into it, and is the reason why you should only measure tanks based on their aDPS. If a tank comes along that has a raid buff, then the discussion becomes more complicated.