update the error message of OOM (#15735)#15757

ti-chi-bot[bot] merged 3 commits into

pingcap:release-6.5pingcap/docs:release-6.5from

ti-chi-bot:cherry-pick-15735-to-release-6.5ti-chi-bot/docs:cherry-pick-15735-to-release-6.5Copy head branch name to clipboard