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Add script to set ulimits in case they are too low

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This commit is contained in:
Nicolas Mowen 2025-07-10 08:25:46 -06:00
parent f29cf43f52
commit 8e7d3f18c8
1 changed files with 27 additions and 0 deletions
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27
docker/main/rootfs/usr/local/ulimit/set_ulimit.sh Executable file
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#!/bin/bash
# Newer versions of containerd 2.X+ impose a very low soft file limit of 1024
# This applies to OSs like HA OS (see https://github.com/home-assistant/operating-system/issues/4110)
# Attempt to increase this limit
# Get current soft and hard nofile limits
current_soft_limit=$(ulimit -Sn)
current_hard_limit=$(ulimit -Hn)
TARGET_SOFT_LIMIT=65536
TARGET_HARD_LIMIT=65536
if [ "$current_soft_limit" -eq 1024 ]; then
# Attempt to set both soft and hard limits to the new value
# This requires sufficient privileges (e.g., running as root in the container)
if ulimit -n "$TARGET_SOFT_LIMIT:$TARGET_HARD_LIMIT"; then
new_soft_limit=$(ulimit -Sn)
new_hard_limit=$(ulimit -Hn)
if [ "$new_soft_limit" -ne "$TARGET_SOFT_LIMIT" ] || [ "$new_hard_limit" -ne "$TARGET_HARD_LIMIT" ]; then
echo "Warning: Limits were set, but not to the exact target values. Check system constraints."
fi
else
echo "Error: Failed to set new nofile limits."
fi
fi