[Tickets #5341] Re: out of memory error with 9K message mailbox

bugs at bugs.horde.org bugs at bugs.horde.org
Mon May 21 22:33:39 UTC 2007


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Ticket URL: http://bugs.horde.org/ticket/?id=5341
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 Ticket             | 5341
 Updated By         | Michael Slusarz <slusarz at horde.org>
 Summary            | out of memory error with 9K message mailbox
 Queue              | IMP
 Version            | HEAD
 Type               | Enhancement
 State              | Stalled
 Priority           | 1. Low
 Owners             | Michael Slusarz
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Michael Slusarz <slusarz at horde.org> (2007-05-21 15:33) wrote:

> OK, but IMP 3.x was able to open 100K message mailboxes.  And quickly
too.

Do you have caching enabled?  That would increase memory usage - at the
expense of speed of course.  Also, how are you sorting this mailbox? 

btw, I definitely see *much* slower mailbox accesses in IMP 3.x than 4.x. 
Not to mention we cache mailbox lists in 4 and we never did this in 3.

> Why do we need to use so much memory to show the message index?  
> There are only 20 mesage headers on the page...  Just curious.

The only way you can determine a mailbox slice is if you know the contents
of the entire mailbox.  i.e., the only way you can tell what messages are
on page 2 is if you sort the entire mailbox.  Don't see anyway around
this.



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