services.hadoop.mapredSite

Additional options and overrides for mapred-site.xml https://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml

Type

attribute set of anything

Default

{ }

Example

{
  "mapreduce.map.java.opts" = "-Xmx900m -XX:+UseParallelGC";
}

Declared

<nixpkgs/nixos/modules/services/cluster/hadoop/default.nix>