anchor.diff:  `SELECTEDMEMORY`:: 
   
     The amount of memory to allocate to the JVM heap for Elasticsearch. 
  -  Defaults to half of the available memory on the target machine, up to a maximum of 30.5GB
  +  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 `true`
  +  address space into RAM. Defaults to `false`
   
   `UNICASTNODES`:: 
   
  
positive.code: [horizontal]
  `INSTALLDIR`:: 
  
    The installation directory. Defaults to `%PROGRAMFILES%\Elastic\Elasticsearch`
  
  `DATADIRECTORY`:: 
  
  
negative.code: 
  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<random>.LOG`. The path to a log file can be supplied using the `/l` command line argument
  
  ["source","sh",subs="attributes,callouts"]
  --------------------------------------------
  