Search operations might be slow when using Azure Search provider on Sitecore XP 8.2 Update-4.
To resolve the issue, perform the following steps:
- Download an archive containing the hotfix package here: SC Hotfix 173355-1 Sitecore.ContentSearch.Azure 1.1.1.zip.
- Unzip the archive.
- Install the hotfix package through the Installation Wizard application. No pre- or post-installation steps are required.