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c2s looping on epoll with "Too many open files" #166
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Actually this started to happen almost every day. |
I am getting this situation pretty regularly these days. Apparently it's denial of service condition when a client opens many connections but does not proceed to login. Perhaps such connections ought to be closed after a short (several seconds) timeout? strace:
netstat -atp:
syslog:
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This only happened once by now, and may be a freak accident, feel free to close if not interested. This morning, I found my clients not able to connect to the server, and when I looked I found /usr/sbin/jabberd2-c2s using 100% CPU, with strace looking like this:
jabberd2 is from official ubuntu (LTS) package, 2.3.4-1ubuntu2.
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