Different kernel flavors (UP, SMP, ENTERPRISE, ENTNOSPLIT)
Revision as of 11:09, 1 June 2006 by 195.214.233.10 (talk)
The version of a kernel you need depends on your server hardware. The table below describes the cases when it is better to use each of these kernels:
| Kernel type | Hardware | Use case |
|---|---|---|
| UP (uniprocessor) | up to 4GB of RAM | - |
| SMP (symmetric multiprocessor) | up to 4 GB of RAM | 10-20 VPSs |
| entnosplit (SMP + PAE support) | up to 64 GB of RAM | 10-30 VPSs |
| enterprise (SMP + PAE support + 4/4GB split) | up to 64 GB of RAM | >20-30 VPSs |
These kernels are optimized for these types of hardware configurations and usage scenarios, so choosing the right kernel can improve (or descrease) a performance for 5-15%.
Use 'rpm -ihv' command for ovzkernel RPM installation. Please do not use the "rpm -Uhv" command to install the kernel, otherwise all the previously installed kernels may be removed from your system.
