anchor.diff:  ----
   
   These traces can be useful for diagnosing root-cause latency issues when they are caused by systems
  -below Kudu, such as disk controllers or file systems.
  +below Kudu, such as disk controllers or filesystems.
   
   [[memory_limits]]
   === Memory Limits
  
positive.code: Kudu with --block_manager=file. Refer to the Kudu documentation for more
  details. Raw error message follows.
  ----
  
  Without hole punching support, the log block manager is unsafe to use. It won't
  ever delete blocks, and will consume ever more space on disk.
  
negative.code:  - RHEL or CentOS 6.4 or later, patched to kernel version of 2.6.32-358 or later.
    Unpatched RHEL or CentOS 6.4 does not include a kernel with support for hole punching.
    - Ubuntu 14.04 includes version 3.13 of the Linux kernel, which supports hole punching.
    - Newer versions of the ext4 and xfs filesystems support hole punching. Older versions
    that do not support hole punching will cause Kudu to emit an error message such as the
    following and to fail to start:
  +
  ----
  Error during hole punch test. The log block manager requires a
  