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【DM版本】: dm8_20230808_rev197096_x86_rh6_64
【操作系统】：centos
【CPU】:
【问题描述】*：
docker部署的达梦数据库启动后，一段时间后就突然连接不上，日志没有报错信息
docker logs 内容如下：
/opt/dmdbms/conf/dm.ini does not exist, use default dm.ini
Start DMSERVER success!
Dmserver is running.
DM Database is not OK, please wait...
DM Database is OK

• Starting periodic command scheduler cron
  ...done.
  2023-07-27 19:57:51.680 [INFO] database P0000023431 T0000000000000023435 rfil_close_low set main rfil[../datatest/DAMENG/DAMENG01.log]'s sta to inactive, l_next_seq = 4788, g_next_seq = 4788, clsn = 38842, handle = 7, free=8720896, len=268435456
  2023-07-27 19:57:51.681 [INFO] database P0000023431 T0000000000000023435 os_sema2_free, sema_id:3309591, sema_value:1!
  2023-07-27 19:57:51.691 [INFO] database P0000023431 T0000000000000023435 shutdown MAL subsystem...
  2023-07-27 19:57:51.797 [INFO] database P0000023431 T0000000000000023435 global inject hint deinit
  2023-07-27 19:57:51.797 [INFO] database P0000023431 T0000000000000023435 global stat cache deinit
  2023-07-27 19:57:51.803 [INFO] database P0000023431 T0000000000000023435 fil_sys_destroy
  2023-07-27 19:57:52.812 [INFO] database P0000023431 T0000000000000023435 close lsnr socket
  2023-07-27 19:57:52.815 [INFO] database P0000023431 T0000000000000023435 [for dem]SYSTEM SHUTDOWN SUCCESS.
  2023-07-27 19:57:52.815 [INFO] database P0000023431 T0000000000000023435 DM Database Server shutdown successfully.
  2023-07-27 19:57:52.815 [INFO] database P0000023431 T0000000000000023435 nsvr_notify_exit wakeup main thread to exit