[Tickets #8196] Re: Dimp folder list never shows up when there is many (>1000) folders

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Ticket URL: http://bugs.horde.org/ticket/8196
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  Ticket             | 8196
  Updated By         | Michael Slusarz <slusarz at horde.org>
  Summary            | Dimp folder list never shows up when there is many
                     | (>1000) folders
  Queue              | DIMP
  Version            | 1.1.2
  Type               | Bug
-State              | Unconfirmed
+State              | Feedback
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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Michael Slusarz <slusarz at horde.org> (2009-04-16 16:12) wrote:

Why do you have >1000 folders?  This is what IMAP subscriptions are  
for.  This would probably be an issue, since not only do you have to  
process the JSON return with all this data, but you have to insert all  
those DOM elements into the page - which is a significant browser  
slowdown.

In IMP it is not an issue because we don't need to load the entire  
folder list.  But to open a folder, it takes another page load so this  
adds a different layer of load.

Theoretically we could workaround this - but at some point, too many  
folders will crash the display no matter how we implement.  This is no  
different than trying to view a 10 MB text message or a MIME part with  
100 nested parts.  The best solution is, once a certain number of  
folders are reached, to tell the user they should be using less folders.