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## Problem Since https://github.com/neondatabase/neon/pull/9423 the non-zero shards no longer need SLRU content in order to do GC. This data is now redundant on shards >0. One release cycle after merging that PR, we may merge this one, which also stops writing those pages to shards > 0, reaping the efficiency benefit. Closes: https://github.com/neondatabase/neon/issues/7512 Closes: https://github.com/neondatabase/neon/issues/9641 ## Summary of changes - Avoid storing SLRUs on non-zero shards - Bonus: avoid storing aux files on non-zero shards