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fix(database): add cgroup v2 compatibility for container memory check in GDD and RAC 21.3.0 - #3141
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… in GDD and RAC 21.3.0 Under cgroup v2 (default on modern container hosts), /sys/fs/cgroup/memory/memory.limit_in_bytes does not exist, causing cat to fail with 'No such file or directory' and rendering the memory check inert. Adopt the cgroup v2 check pattern used across the other SingleInstance and RAC scripts by reading /sys/fs/cgroup/memory.max when /sys/fs/cgroup/cgroup.controllers exists. Signed-off-by: reginaldalfret <reginaldalfret@gmail.com>
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October 6, 2026 05:27
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Problem
In \OracleDatabase/GDD/containerfiles/scripts/runOraShardSetup.sh\ and \OracleDatabase/RAC/OracleRealApplicationClusters/dockerfiles/21.3.0/runOracle.sh, the container memory check reads the cgroup v1 path /sys/fs/cgroup/memory/memory.limit_in_bytes. Under cgroup v2 (the default on modern Linux, Docker, and Podman systems), this path does not exist, causing \cat\ to fail with \No such file or directory\ and rendering the memory check inert.
Solution
Update both scripts to adopt the cgroup v2 compatibility pattern already used across the other SingleInstance and RAC
unOracle.sh\ scripts: