How to fix "too many open files" error on Linux
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My application crashes with "too many open files" error. How can I increase the file descriptor limit?
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web_developer
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9
Check current limits
# Check soft limit
ulimit -Sn
# Check hard limit
ulimit -Hn
# Check for specific process
cat /proc/PID/limitsIncrease limits temporarily
ulimit -n 65535Increase limits permanently
# Edit /etc/security/limits.conf
* soft nofile 65535
* hard nofile 65535
root soft nofile 65535
root hard nofile 65535
# For systemd services, edit service file
[Service]
LimitNOFILE=65535
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