我在我的 VPS 上使用 centos 8.3。（1gb ram 1cpu）数字海洋服务。我不确定是哪种情况，但可能是内存使用情况。在我运行 ue4 专用服务器后，错误开始出现，如何使用正常的 3% cpu 和来自顶部的数据：
top - 16:15:38 up 39 days, 23:16, 2 users, load average: 0.02, 0.05, 0.01
Tasks: 175 total, 2 running, 164 sleeping, 5 stopped, 4 zombie
%Cpu(s): 1.7 us, 0.3 sy, 0.0 ni, 97.7 id, 0.0 wa, 0.3 hi, 0.0 si, 0.0 st
MiB Mem : 807.5 total, 75.6 free, 551.8 used, 180.0 buff/cache
MiB Swap: 0.0 total, 0.0 free, 0.0 used. 87.3 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
502469 unreal 20 0 298248 42124 964 S 1.7 5.1 468:57.65 BrmServer-Linux
687287 root 20 0 275172 4528 3844 R 0.7 0.5 0:00.10 top
687189 root 20 0 0 0 0 I 0.3 0.0 0:00.84 kworker/0:1-events
1 root 20 0 255756 8208 3064 S 0.0 1.0 28:52.35 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.59 kthreadd
3 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_gp
错误日志：
{"t":{"$date":"2021-01-19T21:19:02.127+00:00"},"s":"I", "c":"COMMAND", "id":20499, "ctx":"ftdc","msg":"serverStatus was very slow","attr":{"timeStats":{"after basic":173,"after asserts":599,"after connections":891,"after electionMetrics":1794,"after extra_info":2341,"after flowControl":2656,"after freeMonitoring":3007,"after globalLock":3428,"after locks":3723,"after logicalSessionRecordCache":3869,"after mirroredReads":3904,"after network":3990,"after opLatencies":4047,"after opReadConcernCounters":4127,"after opcounters":4189,"after opcountersRepl":4189,"after oplogTruncation":4335,"after repl":4521,"after security":4662,"after storageEngine":4818,"after tcmalloc":4978,"after trafficRecording":5017,"after transactions":5055,"after transportSecurity":5088,"after twoPhaseCommitCoordinator":5134,"after wiredTiger":6342,"at end":6820}}}
{"t":{"$date":"2021-01-19T21:19:02.452+00:00"},"s":"I", "c":"NETWORK", "id":22944, "ctx":"conn48","msg":"Connection ended","attr":{"remote":"127.0.0.1:47742","connectionId":48,"connectionCount":2}}
[1]+ Killed mongod --dbpath data --bind_ip localhost
Killed
有什么建议吗？