????????????????????
     ??????doris 
be????????????????????????????????????????????????????????????????????????????????OOM??????????????????????????????????????????
           ?????? 2022-03-04 10:54:43
           doris??????detailMessage = tablet 
45664199 has few replicas: 1, alive backends: [10004]
           ????????????????cetnos 8 64????16??64G
           
           ?????????? less 
/var/log/message????OOM??
Mar  4 10:54:38 narwal-doris-be-0004 systemd[1]: Started Process Core Dump 
(PID 1881819/UID 0).Mar  4 10:54:41 narwal-doris-be-0004 
systemd-coredump[1881820]: Core file was truncated to 2147483648 
bytes.Mar  4 10:55:00 narwal-doris-be-0004 systemd-coredump[1881820]: 
Process 2800630 (palo_be) of user 0 dumped core.#012#012Stack trace of thread 
1877601:#012#0  0x00000000039480a2 
memcpy (/mnt/be/lib/palo_be)#012#012Stack trace of thread 
2800630:#012#0  0x00007fccb330efc8 n/a (n/a)Mar  4 10:55:01 
narwal-doris-be-0004 systemd[1]: systemd-coredump@1-1881819-0.service: 
Succeeded.Mar  4 10:55:03 narwal-doris-be-0004 systemd[1]: 
session-12.scope: Succeeded.

          dump??????coredumpctl info 2800630
           PID: 2800630 (palo_be)
           UID: 0 (root)
           GID: 0 (root)
        Signal: 11 (SEGV)
     Timestamp: Fri 2022-03-04 10:54:38 CST (1h 10min ago)
  Command Line: /mnt/be/lib/palo_be
    Executable: /mnt/be/lib/palo_be
 Control Group: /
         Slice: -.slice
       Boot ID: ca3ef395d7c547d2aecb1c251097066f
    Machine ID: 501f93b5c19d4ca38db845c29176e3c5
      Hostname: narwal-doris-be-0004
       Storage: 
/var/lib/systemd/coredump/core.palo_be.0.ca3ef395d7c547d2aecb1c251097066f.2800630.1646362478000000.lz4
 (truncated)
       Message: Process 2800630 (palo_be) of user 0 dumped 
core.
                
                Stack trace of thread 
1877601:
                #0  
0x00000000039480a2 memcpy (/mnt/be/lib/palo_be)
                
                Stack trace of thread 
2800630:
                #0  
0x00007fccb330efc8 n/a (n/a)
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