ubuntu 18.04
ccu 3500
http://docs2x.smartfoxserver.com/Gettin ... tall-linux
start server: sudo systemctl start smartfox
lsof -p pid | wc -l
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3879
ulimit -a
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core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 281268
max locked memory (kbytes, -l) 16384
max memory size (kbytes, -m) unlimited
open files (-n) 655340
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 281268
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
pid:17451 is sfs2x:
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root@ip-172-31-47-160:~# lsof -n | wc -l
1002106
root@ip-172-31-47-160:~# netstat -ant | wc -l
3733
root@ip-172-31-47-160:~# lsof -n -i | wc -l
3713
root@ip-172-31-47-160:~# lsof -n | awk '{print $2}' | sort -n | uniq -c | sort -nr | more
820852 17451
cat /proc/17451/limits
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Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size 8388608 unlimited bytes
Max core file size 0 unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 281268 281268 processes
Max open files 4096 4096 files
Max locked memory 16777216 16777216 bytes
Max address space unlimited unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals 281268 281268 signals
Max msgqueue size 819200 819200 bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us
log:
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java.io.IOException: Too many open files
at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)
at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:593)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:745)
26 Nov 2018 | 02:29:39,425 | WARN | Scanner-0 | jetty.util.Scanner | | Error listing files in directory /home/ubuntu/SmartFoxServer_2X/SFS2X/www
java.io.IOException: Too many open files
at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250)
at org.eclipse.jetty.server.ServerConnector.accept(ServerConnector.java:373)
at org.eclipse.jetty.server.AbstractConnector$Acceptor.run(AbstractConnector.java:593)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
at java.lang.Thread.run(Thread.java:745)