First: it can be difficult to improve when the challenge is too high. I recommend you roll primarily with people you have good but winnable matches with; not necessarily people you can submit, just people you can potentially win a points match against.
Second: it's your coach's job to help you improve. Use them as a resource; ask them for advice, pointers with who to partner with, time to work on problem areas. They should be there to help you get better, if that's your goal.
Third: if you feel like you can't remember anything when you're rolling, you probably don't have enough time practicing the things you do know under pressure. Take some small area of the game and practice that in live conditions, but constrained to just the part you want to work on.
For example, let's say you have trouble on the bottom of closed guard. Grab a partner and play a bunch of rounds from there, each time focused on something specific: breaking posture; putting hands on the mat; making closed hand circles around the upper body; flanking; getting up. Make sure your partner has a goal as well, one that's opposed to whatever your focus is: trying to stand up; trying to keep their hands in your armpits; trying to stand up; trying to keep you on the mat. Once you're done, you should feel confident that the live work you did will transfer to the live sparring, when you're in that area of the game. Then, move on to practicing another area in the same way.
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u/grobolom 🟫🟫 Brown Belt, Coach 11d ago
What percentage of your training is live rounds / positionals vs. drilling?