October 2000
Intermediate to advanced
704 pages
18h 44m
English
Content preview from Solaris™ Internals: Core Kernel Components
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A.2. System V IPC - Shared Memory Parameters
Table A-1 describes shared memory parameters. For more information, refer to “System V Shared Memory” .
| Parameter | Default | Category | Description / Notes |
|---|---|---|---|
| shmmax | 1048576 | Limit | System V IPC shared memory. Maximum shared memory segment size, in bytes. |
| shmmin | 1 | Limit | System V IPC shared memory. Minimum shared memory segment size, in bytes. |
| shmmni | 100 | Limit | System V IPC shared memory. Maximum number of shared memory segments, sys temwide. |
| shmseg | 6 | Limit | System V IPC shared memory. Maximum number of shared segments, per process. |
| segspt_minfree | 5% of available memory | Limit | Number of pages of physical memory not available for allocation as ISM shared seg ments. Default value ... |
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