DisableFindFullExample.cs

using EPiServer.Find.Cms;
using EPiServer.ServiceLocation;
using Mediachase.Commerce.Catalog.ImportExport;
using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml.Linq;

public class CatalogImportManager : ICatalogImportManager
{
    private readonly ILogManager _logManager;

    private StringBuilder _stringBuilderResponse;

    public CatalogImportManager(ILogManager logManager)
    {
        this._logManager = logManager;
        this._stringBuilderResponse = new StringBuilder();
    }
    public string CatalogImport(Stream catalogMemoryStream)
    {
        // This is how we disable the updates to Find
        EventedIndexingSettings.Instance.EventedIndexingEnabled = false;
        EventedIndexingSettings.Instance.ScheduledPageQueueEnabled = false;

        try
        {
            XDocument catalogXml = XDocument.Load(catalogMemoryStream);

            CatalogImportExport catalogImportExport = new CatalogImportExport();
            catalogImportExport.ImportExportProgressMessage += CatalogImportExport_ImportExportProgressMessage;  
            catalogImportExport.Import(catalogXml, true);

            catalogXml.Dispose();
        }
        catch (Exception ex)
        {
            this._logManager.WriteError("Error in ImportWithHandlers", ex);
            
            //In case of any error, we need to remember to enable Find
            EventedIndexingSettings.Instance.EventedIndexingEnabled = true;
            EventedIndexingSettings.Instance.ScheduledPageQueueEnabled = true;
            throw;
        }

        //If everything worked fine, we enable Find
        EventedIndexingSettings.Instance.EventedIndexingEnabled = true;
        EventedIndexingSettings.Instance.ScheduledPageQueueEnabled = true;

        return this._stringBuilderResponse.ToString();
    }

    private void CatalogImportExport_ImportExportProgressMessage(object source, ImportExportEventArgs args)
    {
        this._logManager.WriteError(args.Message);
        this._stringBuilderResponse.Append(args.Message);
    }
}