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Introduction

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

Features

  • 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.
  • ...