[gmq-sim] backfill: split merge memory accounting mutex acquisitions#448

rishabh7m merged 1 commit intomaster-gmqcrltest-issue-syncing/cockroach-fork:master-gmqfrom

stable-gmq-sim--gmq-20251121-161358crltest-issue-syncing/cockroach-fork:stable-gmq-sim--gmq-20251121-161358Copy head branch name to clipboard