RHEL6ベータ2とRHEL5カーネルのいくつかの比較です。
Some comparison RHEL5 and RHEL6 beta2 kernel.
- Kernel version
- RHEL5.5: 2.6.18-194.8.1.el5
- RHEL6(beta2): 2.6.32-37.rhel6
- Scheduler
- RHEL5.x: O(1)
- RHEL6b2 : CFS
- I/O Scheduler
- RHEL5.x: CFQ (and deadline, anticipatory, noop)
- RHEL6b2: CFQ (and deadline, anticipatory, noop)
- Filesystems
- RHEL5.x: EXT3, EXT2, etc (EXT4 is tech preview)
- RHEL6b2: EXT4, EXT3, EXT2, etc (Btrfs kernel module is compiled)
- timer interrupt Hz (tick)
- 1000Hz (Normal and PAEkernel, kernel-xen is 250Hz)
- Tickless
