Alibaba Kernel is originated by Alibaba, the largest e-commerce website in Asia. It is based on RHEL6 source codes and included some updates and new features need by Alibaba. For more information and documentation, please refer to http://kernel.taobao.org
- All features of RHEL6U2 kernel, source code version is 2.6.32-220.23.1.
- netoops to enable you collect data from the panic server, https://lwn.net/Articles/414031/.
- bigalloc and inline data support for ext4. https://lwn.net/Articles/469805/
- overlayfs which can deploy one fs over another. Please refer to http://lwn.net/Articles/447650/.
- flashcache embedded support.
- cpu accounting support for containers.
- dio overwrite nolock support for fast SSDs.
- Perf jit to enable you use perf to trace a java program.
- Enable different memory management policy.
- ...