[Logs] Restrict arrayOf size for logs sources field (#251561)

justinkambic · justinkambic · commit bf316f344367 · 2026-02-04T20:11:14.000Z
## Summary Update logs sources UI setting to impose a size limit. (cherry picked from commit 7e28a53)
diff --git a/x-pack/platform/plugins/shared/logs_data_access/common/ui_settings.ts b/x-pack/platform/plugins/shared/logs_data_access/common/ui_settings.ts
@@ -26,7 +26,7 @@ export const uiSettings: Record<string, UiSettingsParams> = {
         'Sources to be used for logs data. If the data contained in these indices is not logs data, you may experience degraded functionality. Changes to this setting can potentially impact the sources queried in Log Threshold rules.',
     }),
     type: 'array',
-    schema: schema.arrayOf(schema.string()),
+    schema: schema.arrayOf(schema.string(), { maxSize: 1000 }),
     requiresPageReload: true,
     solutionViews: ['classic', 'oblt'],
   },
