frigate/docker/main/rootfs/usr/local/ulimit/set_ulimit.sh
2025-07-10 18:06:54 -05:00

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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
echo "Current file limits - Soft: $current_soft_limit, Hard: $current_hard_limit"
if [ "$current_soft_limit" -lt "$TARGET_SOFT_LIMIT" ]; then
if [ "$current_hard_limit" -lt "$TARGET_HARD_LIMIT" ]; then
if ! ulimit -Hn "$TARGET_HARD_LIMIT"; then
echo "Warning: Failed to set hard limit to $TARGET_HARD_LIMIT"
echo "This may require running as root or adjusting system limits"
exit 1
fi
fi
if ! ulimit -Sn "$TARGET_SOFT_LIMIT"; then
echo "Warning: Failed to set soft limit to $TARGET_SOFT_LIMIT"
exit 1
fi
# Verify the new limits
new_soft_limit=$(ulimit -Sn)
new_hard_limit=$(ulimit -Hn)
echo "New limits - Soft: $new_soft_limit, Hard: $new_hard_limit"
if [ "$new_soft_limit" -ne "$TARGET_SOFT_LIMIT" ] || [ "$new_hard_limit" -ne "$TARGET_HARD_LIMIT" ]; then
echo "Warning: Nofile limits were set, but not to the exact target values."
else
echo "Successfully set file limits to target values"
fi
else
echo "Soft limit is already sufficient ($current_soft_limit >= $TARGET_SOFT_LIMIT)"
fi