Linux panel 5.4.0-80-generic #90-Ubuntu SMP Fri Jul 9 22:49:44 UTC 2021 x86_64 x 86_64 x86_64 GNU/Linux
So I run minecraft servers using the pterodactyl panel on a ubuntu linux server. server has 8 cores 16 threads. I use aikars flags for my jvm arguments -pretouch ex:
java -Xms10G -Xmx10G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -
XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -
XX:+DisableExplicitGC -XX:G1NewSizePercent=30 -
XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -
XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -
XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -
XX:G1MixedGCLiveThresholdPercent=90 -
XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -
XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -
Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true
-jar server.jar nogui
I get almost one crash a day, with it saying
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method) ~[?:1.8.0_282]
at java.lang.Thread.start(Thread.java:717) ~[?:1.8.0_282]
Here is my configurations for stuff ive checked so far.
ulimit -a (I have changed my open files from 1024 and max user processes from 514861, the crash still happened)
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 514861
max locked memory (kbytes, -l) 65536
max memory size (kbytes, -m) unlimited
open files (-n) 65535
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) unlimited
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
cat /proc/sys/kernel/pid_max
= 4194304
cat /proc/sys/kernel/threads-max
= 1029723
ps -eo nlwp | tail -n +2 | awk '{ num_threads += $1 } END { print
num_threads }'
= 1340
cat /sys/fs/cgroup/pids/user.slice/user-1000.slice/pids.current
= 48
cat /sys/fs/cgroup/pids/user.slice/user-1000.slice/pids.max
= 339808
top - 14:41:56 up 10:38, 1 user, load average: 3.95, 3.59, 3.50
Tasks: 333 total, 2 running, 331 sleeping, 0 stopped, 0 zombie
%Cpu(s): 17.4 us, 0.8 sy, 0.0 ni, 81.4 id, 0.0 wa, 0.0 hi, 0.4 si, 0.0 st
MiB Mem : 128819.0 total, 80682.1 free, 37721.6 used, 10415.4 buff/cache
MiB Swap: 0.0 total, 0.0 free, 0.0 used. 89871.1 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
53162 pteroda+ 20 0 20.3g 11.3g 39840 S 153.3 9.0 494:58.15 java
43419 pteroda+ 20 0 20.3g 9.0g 37312 S 106.7 7.1 607:24.21 java
3153 pteroda+ 20 0 17.2g 7.8g 38628 S 20.0 6.2 135:52.38 java
2274 pteroda+ 20 0 9.9g 2.5g 33944 S 6.7 2.0 26:30.98 java
2275 pteroda+ 20 0 15.4g 3.8g 30664 S 6.7 3.1 49:33.29 java
63729 pteroda+ 20 0 18.2g 1.4g 30920 S 6.7 1.1 22:08.05 java
