Lock waits are particularly annoying. Imagine (I know, this might be difficult) that you have a friend who is puzzled by why a query is sometimes slow.
They send you an actual plan for when it’s fast, and an actual plan for when it’s slow. You compare them in every which way, and everything except duration is identical.
It’d be a whole lot easier to answer them if LCK waits were collected, but hey. Let’s just make them jump through another hoop to figure out what’s going on.
CXCONSUMER has a similar problem — and here’s the thing — if people are going through the trouble of collecting this information, give’em what they ask for. Don’t just give them what you think is a good idea.
Click through to see the issue and what you can do to work around this limitation.