共享内存:
可以通过ipcs -lm命令查看目前系统共享内存的参数限制:
# ipcs -lm —— Shared Memory Limits ——– max number of segments = 4096 max seg size (kbytes) = 1048576 max total shared memory (pages) = 2097152 min seg size (bytes) = 1
这里涉及到3个于共享内存相关的参数:SHMMAX,SHMMNI,SHMALL
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