diff --git a/x-pack/legacy/plugins/ml/public/data_frame_analytics/pages/analytics_management/components/create_analytics_form/create_analytics_form.tsx b/x-pack/legacy/plugins/ml/public/data_frame_analytics/pages/analytics_management/components/create_analytics_form/create_analytics_form.tsx
index 39daad69a5b0a72..598f88387f41036 100644
--- a/x-pack/legacy/plugins/ml/public/data_frame_analytics/pages/analytics_management/components/create_analytics_form/create_analytics_form.tsx
+++ b/x-pack/legacy/plugins/ml/public/data_frame_analytics/pages/analytics_management/components/create_analytics_form/create_analytics_form.tsx
@@ -116,7 +116,7 @@ export const CreateAnalyticsForm: FC<CreateAnalyticsFormProps> = ({ actions, sta
       const jobConfig = getJobConfigFromFormState(form);
       delete jobConfig.dest;
       delete jobConfig.model_memory_limit;
-      const resp = await ml.dataFrameAnalytics.estimateMemoryUsage(jobConfig);
+      const resp = await ml.dataFrameAnalytics.estimateDataFrameAnalyticsMemoryUsage(jobConfig);
       setFormState({
         modelMemoryLimit: resp.expected_memory_without_disk,
       });
@@ -492,7 +492,7 @@ export const CreateAnalyticsForm: FC<CreateAnalyticsFormProps> = ({ actions, sta
                   : DEFAULT_MODEL_MEMORY_LIMIT.outlier_detection
               }
               disabled={isJobCreated}
-              value={modelMemoryLimit}
+              value={modelMemoryLimit || ''}
               onChange={e => setFormState({ modelMemoryLimit: e.target.value })}
               isInvalid={modelMemoryLimit === ''}
             />
diff --git a/x-pack/legacy/plugins/ml/public/services/ml_api_service/data_frame_analytics.js b/x-pack/legacy/plugins/ml/public/services/ml_api_service/data_frame_analytics.js
index 1edf5d7b879acb5..3f987a1763140e1 100644
--- a/x-pack/legacy/plugins/ml/public/services/ml_api_service/data_frame_analytics.js
+++ b/x-pack/legacy/plugins/ml/public/services/ml_api_service/data_frame_analytics.js
@@ -47,7 +47,7 @@ export const dataFrameAnalytics = {
       data: evaluateConfig
     });
   },
-  estimateMemoryUsage(jobConfig) {
+  estimateDataFrameAnalyticsMemoryUsage(jobConfig) {
     return http({
       url: `${basePath}/data_frame/analytics/_estimate_memory_usage`,
       method: 'POST',
diff --git a/x-pack/legacy/plugins/ml/public/services/ml_api_service/index.d.ts b/x-pack/legacy/plugins/ml/public/services/ml_api_service/index.d.ts
index 007a3c324f35c08..12f39bfa78dc0d3 100644
--- a/x-pack/legacy/plugins/ml/public/services/ml_api_service/index.d.ts
+++ b/x-pack/legacy/plugins/ml/public/services/ml_api_service/index.d.ts
@@ -13,6 +13,8 @@ import { MlServerDefaults, MlServerLimits } from '../../services/ml_server_info'
 import { ES_AGGREGATION } from '../../../common/constants/aggregation_types';
 import { DataFrameAnalyticsStats } from '../../data_frame_analytics/pages/analytics_management/components/analytics_list/common';
 import { JobMessage } from '../../../common/types/audit_message';
+import { DataFrameAnalyticsConfig } from '../../data_frame_analytics/common/analytics';
+import { DeepPartial } from '../../../common/types/common';
 
 // TODO This is not a complete representation of all methods of `ml.*`.
 // It just satisfies needs for other parts of the code area which use
@@ -70,7 +72,9 @@ declare interface Ml {
     getDataFrameAnalyticsStats(analyticsId?: string): Promise<GetDataFrameAnalyticsStatsResponse>;
     createDataFrameAnalytics(analyticsId: string, analyticsConfig: any): Promise<any>;
     evaluateDataFrameAnalytics(evaluateConfig: any): Promise<any>;
-    estimateMemoryUsage(jobConfig: any): Promise<any>;
+    estimateDataFrameAnalyticsMemoryUsage(
+      jobConfig: DeepPartial<DataFrameAnalyticsConfig>
+    ): Promise<any>;
     deleteDataFrameAnalytics(analyticsId: string): Promise<any>;
     startDataFrameAnalytics(analyticsId: string): Promise<any>;
     stopDataFrameAnalytics(
diff --git a/x-pack/legacy/plugins/ml/server/client/elasticsearch_ml.js b/x-pack/legacy/plugins/ml/server/client/elasticsearch_ml.js
index 6199384b50a071e..3df1d3e2c3bd0ed 100644
--- a/x-pack/legacy/plugins/ml/server/client/elasticsearch_ml.js
+++ b/x-pack/legacy/plugins/ml/server/client/elasticsearch_ml.js
@@ -170,7 +170,7 @@ export const elasticsearchJsPlugin = (Client, config, components) => {
     method: 'POST'
   });
 
-  ml.estimateMemoryUsage = ca({
+  ml.estimateDataFrameAnalyticsMemoryUsage = ca({
     urls: [
       {
         fmt: '/_ml/data_frame/analytics/_estimate_memory_usage',
diff --git a/x-pack/legacy/plugins/ml/server/routes/data_frame_analytics.js b/x-pack/legacy/plugins/ml/server/routes/data_frame_analytics.js
index 84136fc4eea715e..d467aeea31f99d8 100644
--- a/x-pack/legacy/plugins/ml/server/routes/data_frame_analytics.js
+++ b/x-pack/legacy/plugins/ml/server/routes/data_frame_analytics.js
@@ -96,7 +96,7 @@ export function dataFrameAnalyticsRoutes({ commonRouteConfig, elasticsearchPlugi
     path: '/api/ml/data_frame/analytics/_estimate_memory_usage',
     handler(request) {
       const callWithRequest = callWithRequestFactory(elasticsearchPlugin, request);
-      return callWithRequest('ml.estimateMemoryUsage', { body: request.payload })
+      return callWithRequest('ml.estimateDataFrameAnalyticsMemoryUsage', { body: request.payload })
         .catch(resp => wrapError(resp));
     },
     config: {