fatal error: runtime: out of memory

[root@VM_0_10_centos frp_0.27.0_linux_amd64]# top
top - 21:09:19 up 2 days, 4 min,  2 users,  load average: 0.00, 0.01, 0.00
Tasks:  89 total,   1 running,  88 sleeping,   0 stopped,   0 zombie
Cpu(s):  1.0%us,  0.3%sy,  0.0%ni, 98.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1922248k total,  1850436k used,    71812k free,     1524k buffers
Swap:        0k total,        0k used,        0k free,    22156k cached
 Unknown command - try 'h' for help
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
15945 confluen  20   0 2192m 916m 2480 S  0.3 48.8   6:35.41 java
    1 root      20   0 19368  928  608 S  0.0  0.0   0:01.62 init
    2 root      20   0     0    0    0 S  0.0  0.0   0:00.00 kthreadd
    3 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/0
    4 root      20   0     0    0    0 S  0.0  0.0   0:00.83 ksoftirqd/0
    5 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 stopper/0
    6 root      RT   0     0    0    0 S  0.0  0.0   0:00.19 watchdog/0
    7 root      20   0     0    0    0 S  0.0  0.0   0:07.91 events/0
    8 root      20   0     0    0    0 S  0.0  0.0   0:00.00 events/0
    9 root      20   0     0    0    0 S  0.0  0.0   0:00.00 events_long/0     

处理

[root@VM_0_10_centos frp_0.27.0_linux_amd64]# ps aux | grep confluence
502      15945  0.2 48.8 2244912 938720 ?      Sl   Nov30   6:35 /opt/atlassian/confluence/jre//bin/java -Djava.util.logging.config.file=/opt/atlassian/confluence/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Xms1024m -Xmx1024m -XX:MaxPermSize=256m -XX:+UseG1GC -Djava.awt.headless=true -Xloggc:/opt/atlassian/confluence/logs/gc-2019-11-30_21:18:35.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=2M -XX:-PrintGCDetails -XX:+PrintGCTimeStamps -XX:-PrintTenuringDistribution -Djava.endorsed.dirs=/opt/atlassian/confluence/endorsed -classpath /opt/atlassian/confluence/bin/bootstrap.jar:/opt/atlassian/confluence/bin/tomcat-juli.jar -Dcatalina.base=/opt/atlassian/confluence -Dcatalina.home=/opt/atlassian/confluence -Djava.io.tmpdir=/opt/atlassian/confluence/temp org.apache.catalina.startup.Bootstrap start
root     29794  0.0  0.0 103328   848 pts/1    S+   21:09   0:00 grep confluence
[root@VM_0_10_centos frp_0.27.0_linux_amd64]# kill 15945
[root@VM_0_10_centos frp_0.27.0_linux_amd64]# ps aux | grep confluence
root     29846  0.0  0.0 103328   848 pts/1    S+   21:09   0:00 grep confluence
[root@VM_0_10_centos frp_0.27.0_linux_amd64]# top
top - 21:12:17 up 2 days, 7 min,  2 users,  load average: 0.01, 0.01, 0.00
Tasks:  88 total,   1 running,  87 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.3%us,  0.3%sy,  0.0%ni, 99.0%id,  0.3%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   1922248k total,   936176k used,   986072k free,     2172k buffers
Swap:        0k total,        0k used,        0k free,    43456k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 1910 root      20   0  525m  10m 1696 S  0.7  0.6   8:21.38 barad_agent
    1 root      20   0 19368  924  604 S  0.0  0.0   0:01.62 init
    2 root      20   0     0    0    0 S  0.0  0.0   0:00.00 kthreadd
    3 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/0
    4 root      20   0     0    0    0 S  0.0  0.0   0:00.83 ksoftirqd/0
    5 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 stopper/0