Performance problems are notorious for being difficult to fix, and even more difficult to understand. Even seasoned performance tuning veterans encounter performance mysteries they need help with.
Have a problematic query? Use Plan Explorer to upload the execution plan and discuss it with our community.
Not sure how to do that? Aaron Bertrand blogged about this a bit more thoroughly in a previous post on this site:
We'd like to encourage you to join our community! Ask questions, or contribute by sharing your knowledge with others. Often they are trying to solve a problem you've already tackled. And sometimes you might find an answer you were looking for, too.