Respect pre-set env vars and add cgroup memory detection in env scripts#17765

CRZbulabula merged 3 commits into

apache:masterapache/iotdb:masterfrom

MileaRobertStefan:fix_env_scripts_memory_size_envvarMileaRobertStefan/iotdb:fix_env_scripts_memory_size_envvarCopy head branch name to clipboard