anchor.diff:  
   As with any MSI installation package, a log file for the installation process can be found 
   within the `%TEMP%` directory, with a randomly generated name adhering to the format 
  -`MSI*.LOG`. The path to a log file can be supplied using the `/l` command line argument
  +`MSI<random>.LOG`. The path to a log file can be supplied using the `/l` command line argument
   
   ["source","sh",subs="attributes,callouts"]
   --------------------------------------------
  
positive.code: [horizontal]
  `INSTALLDIR`:: 
  
    The installation directory. Defaults to `%PROGRAMFILES%\Elastic\Elasticsearch`
  
  `DATADIRECTORY`:: 
  
  
negative.code: `SELECTEDMEMORY`:: 
  
    The amount of memory to allocate to the JVM heap for Elasticsearch. 
    Defaults to `2048`. If the target machine has less than 4GB in total, defaults
    to 50% of total memory.
  
  `LOCKMEMORY`:: 
  
    Whether `bootstrap.memory_lock` should be used to try to lock the process
    address space into RAM. Defaults to `false`
  
  `UNICASTNODES`:: 
  
  