/etc/system set shmsys:shminfo_shmmax=4294967295 set shmsys:shminfo_shmmin=1 set shmsys:shminfo_shmmni=100 set shmsys:shminfo_shmseg=15 set semsys:seminfo_semmns=200 set semsys:seminfo_semmni=100 s
v$lock视图SID:Identifier for session holding or acquiring the lock TYPE:Type of user or system lock TM - DML enqueue TX - Transaction enqueue UL - User suppliedLMODE:Lock mode in which t
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