[ML] Settings: Increase number of items that can be paged in calendars and filters lists (#61842)

* set size limit to 1000 for calendars/filters get routes

* update comment

* update default size comment

x-pack/plugins/ml/server/client/elasticsearch_ml.ts

@@ -514,7 +514,7 @@ export const elasticsearchJsPlugin = (Client: any, config: any, components: any)
     needBody: true,
     method: 'POST',
   });
-
+  // Currently the endpoint uses a default size of 100 unless a size is supplied. So until paging is supported in the UI, explicitly supply a size of 1000
   ml.calendars = ca({
     urls: [
       {
@@ -526,7 +526,7 @@ export const elasticsearchJsPlugin = (Client: any, config: any, components: any)
         },
       },
       {
-        fmt: '/_ml/calendars/',
+        fmt: '/_ml/calendars?size=1000',
       },
     ],
     method: 'GET',
@@ -671,7 +671,7 @@ export const elasticsearchJsPlugin = (Client: any, config: any, components: any)
     },
     method: 'DELETE',
   });
-
+  // Currently the endpoint uses a default size of 100 unless a size is supplied. So until paging is supported in the UI, explicitly supply a size of 1000
   ml.filters = ca({
     urls: [
       {
@@ -683,7 +683,7 @@ export const elasticsearchJsPlugin = (Client: any, config: any, components: any)
         },
       },
       {
-        fmt: '/_ml/filters/',
+        fmt: '/_ml/filters?size=1000',
       },
     ],
     method: 'GET',

x-pack/plugins/ml/server/routes/calendars.ts

@@ -42,6 +42,7 @@ function getCalendarsByIds(context: RequestHandlerContext, calendarIds: string)
 }
 
 export function calendars({ router, mlLicense }: RouteInitialization) {
+  // Gets calendars - size limit has been explicitly set to 1000
   router.get(
     {
       path: '/api/ml/calendars',

x-pack/plugins/ml/server/routes/filters.ts

@@ -47,7 +47,7 @@ export function filtersRoutes({ router, mlLicense }: RouteInitialization) {
   /**
    * @apiGroup Filters
    *
-   * @api {get} /api/ml/filters Gets filters
+   * @api {get} /api/ml/filters Gets filters - size limit has been explicitly set to 1000
    * @apiName GetFilters
    * @apiDescription Retrieves the list of filters which are used for custom rules in anomaly detection.
    *