Question:

Could someone please help me understand purspose of following folders under data sitecore folder:

<ol><li>

Submit Queue

a. What's the purpose of this folder?

b. Does it get used only if we use Sitecore xDB Cloud or also for our standalone xDB?

</li> <li>

MediaIndexing

a. What's the purpose?

b. Where can I find the folder path configuration details? I looked at sitecore.config and didn't find it.

c. When doese it get created, as I understand the temp media files are sstored on mediacache folder and indexes should go corresponding master/web indexes.

</li> </ol>

The submit queue folder is used by analytics to queue things if the db isn't accessible.

Have a look in your showconfig page for:

<setting name="Analytics.UseSubmitQueue" value="true" patch:source="Sitecore.Analytics.Tracking.config"/>

This is then configured as:

<submitQueue patch:source="Sitecore.Analytics.Tracking.config"> <queue type="Sitecore.Analytics.Data.DataAccess.SubmitQueue.FileSubmitQueue, Sitecore.Analytics" singleInstance="true"/>

In the FileSubmitQueue ctor you have

FileSubmitQueue.FolderPath = System.IO.Path.Combine(MainUtil.MapPath(Settings.DataFolder), "Submit Queue");

Both xDB cloud and onsite xDB could suffer the same issue of the db erroring or causing issues. There isn't any config which ties it to a specific implementation (ie local vs cloud).

For the media questions, have you looked at <a href="http://www.sitecore.net/Learn/Blogs/Technical-Blogs/Sitecore-7-Development-Team/Posts/2014/03/Media-Content-Indexing-Updates-in-Sitecore-72.aspx" rel="nofollow">http://www.sitecore.net/Learn/Blogs/Technical-Blogs/Sitecore-7-Development-Team/Posts/2014/03/Media-Content-Indexing-Updates-in-Sitecore-72.aspx</a> ?