tillrohrmann commented on a change in pull request #10716: 
[FLINK-15367][runtime] Handle backwards compatibility of 
"taskmanager.heap.size" differently for standalone / active setups
URL: https://github.com/apache/flink/pull/10716#discussion_r362779912
 
 

 ##########
 File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/clusterframework/TaskExecutorResourceUtils.java
 ##########
 @@ -688,4 +669,55 @@ public static Configuration 
adjustConfigurationForLocalExecution(final Configura
 
                return modifiedConfig;
        }
+
+       public static Configuration 
adjustConfigurationForStandaloneSetups(final Configuration configuration) {
+               return 
getConfigurationMapLegacyTaskManagerHeapSizeToConfigOption(
+                       configuration, TaskManagerOptions.TOTAL_FLINK_MEMORY);
+       }
+
+       public static Configuration 
adjustConfigurationForContainerizedSetups(final Configuration configuration) {
+               return 
getConfigurationMapLegacyTaskManagerHeapSizeToConfigOption(
+                       configuration, TaskManagerOptions.TOTAL_PROCESS_MEMORY);
+       }
+
+       private static Configuration 
getConfigurationMapLegacyTaskManagerHeapSizeToConfigOption(
+               final Configuration configuration, ConfigOption<MemorySize> 
configOption) {
+
+               final Optional<MemorySize> legacyHeapSizeOptional = 
getLegacyTaskManagerHeapMemoryIfExplicitlyConfigured(configuration);
+               if (legacyHeapSizeOptional.isPresent()) {
+                       final Configuration copiedConfig = new 
Configuration(configuration);
+                       copiedConfig.set(configOption, 
legacyHeapSizeOptional.get());
+                       return copiedConfig;
+               }
+
+               return configuration;
 
 Review comment:
   This could be expressed slightly more succinct:
   
   ```
   
getLegacyTaskManagerHeapMemoryIfExplicitlyConfigured(null).map(legacyHeapSize 
-> {
                        final Configuration copiedConfiguration = new 
Configuration(configuration);
                        copiedConfiguration.set(configOption, legacyHeapSize);
                        return copiedConfiguration;
                }).orElse(configuration);
   ```

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