···

       
196
       
196
       
 
       
            "yarn.nodemanager.resource.cpu-vcores" = resource.cpuVCores;

     

       
197
       
197
       
 
       
            "yarn.nodemanager.resource.memory-mb" = resource.memoryMB;

     

       
198
       
198
       
 
       
          })

     

       
199
       
199
       
-
       
          (lib.mkIf useCGroups {

     

       
199
       
199
       
+
       
          (lib.mkIf useCGroups ( lib.warnIf (lib.versionOlder cfg.package.version "3.5.0") ''

     

       
200
       
200
       
+
       
            hadoop < 3.5.0 does not support cgroup v2

     

       
201
       
201
       
+
       
            setting `services.hadoop.yarn.nodemanager.useCGroups = false` is recommended

     

       
202
       
202
       
+
       
            see: https://issues.apache.org/jira/browse/YARN-11669

     

       
203
       
203
       
+
       
          '' {

     

       
200
       
204
       
 
       
            "yarn.nodemanager.linux-container-executor.cgroups.hierarchy" = "/hadoop-yarn";

     

       
201
       
205
       
 
       
            "yarn.nodemanager.linux-container-executor.resources-handler.class" =

     

       
202
       
206
       
 
       
              "org.apache.hadoop.yarn.server.nodemanager.util.CgroupsLCEResourcesHandler";

     

       
203
       
207
       
 
       
            "yarn.nodemanager.linux-container-executor.cgroups.mount" = "true";

     

       
204
       
208
       
 
       
            "yarn.nodemanager.linux-container-executor.cgroups.mount-path" =

     

       
205
       
209
       
 
       
              "/run/wrappers/yarn-nodemanager/cgroup";

     

       
206
       
206
       
-
       
          })

     

       
210
       
210
       
+
       
          }))

     

       
207
       
211
       
 
       
        ];

     

       
208
       
212
       
 
       


     

       
209
       
213
       
 
       
      networking.firewall.allowedTCPPortRanges = [

     

···

       
173
       
173
       
 
       
              yarn.nodemanager = {

     

       
174
       
174
       
 
       
                enable = true;

     

       
175
       
175
       
 
       
                openFirewall = true;

     

       
176
       
176
       
+
       
                useCGroups = false;

     

       
176
       
177
       
 
       
              };

     

       
177
       
178
       
 
       
            };

     

       
178
       
179
       
 
       
          };

     

···

       
24
       
24
       
 
       
            yarn.nodemanager = {

     

       
25
       
25
       
 
       
              enable = true;

     

       
26
       
26
       
 
       
              openFirewall = true;

     

       
27
       
27
       
+
       
              useCGroups = false;

     

       
27
       
28
       
 
       
            };

     

       
28
       
29
       
 
       
            yarnSite = {

     

       
29
       
30
       
 
       
              "yarn.resourcemanager.hostname" = "resourcemanager";