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On 2012-08-30T17:01:09+00:00 Matt Dorn wrote:

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8)
AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.82 Safari/537.1

Steps to reproduce:

Just noticed this after upgrading to 15.0.  I have ~500 messages in my
Inbox (Gmail account).  I selected 50 of them (holding down Shift and
clicking) to bulk delete them.


Actual results:

The CPU spikes and the application becomes unresponsive for several
seconds.


Expected results:

The application shouldn't care how many messages you select, and should
respond without any trouble.

Reply at: https://bugs.launchpad.net/thunderbird/+bug/1048618/comments/0

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On 2012-08-30T22:22:06+00:00 Jsabash wrote:

Matt, this may be dup of bug 782899
Could you take a look there.
One way to prove it is to (temporarily) turn off Gloda indexing and see if the 
problem goes away.

Reply at: https://bugs.launchpad.net/thunderbird/+bug/1048618/comments/1

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On 2012-08-31T00:15:01+00:00 Jsabash wrote:

I guess it's not as simple as disabling Gloda to prove the dup.
Message summaries, and some extensions can cuase this too.

Reply at: https://bugs.launchpad.net/thunderbird/+bug/1048618/comments/2

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On 2012-08-31T05:08:53+00:00 Matt Dorn wrote:

Yes, much of the behavior described in bug 782899 (and especially in bug
753502, which has been tagged as a duplicate of 782899) is similar to my
experience, though I never saw much of a memory spike -- only a CPU
spike, and the application becoming unresponsive for up to 20 seconds or
so.

That said, I did a "Repair Folder" on my Inbox, and that seems to
temporarily relieve the problem, allow me to quickly select multiple
messages, etc., but the effect is short-lived -- once I start re-
ordering, etc., in the folder I'm back to the same problem.

Again, this problem is new with my upgrade to 15.0 today -- never had it
before then.

Reply at: https://bugs.launchpad.net/thunderbird/+bug/1048618/comments/3

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On 2012-08-31T08:17:52+00:00 Ludovic-mozilla wrote:

I'm going to mark this as a duplicate, we have two bugs one for memory
one for cpu. Just forgot the one aboutt cpu. duping to the most visible
one, irving is anyhow working on both issues.

*** This bug has been marked as a duplicate of bug 782899 ***

Reply at: https://bugs.launchpad.net/thunderbird/+bug/1048618/comments/4


** Changed in: thunderbird
       Status: Unknown => Invalid

** Changed in: thunderbird
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1048618

Title:
  Selecting multiple messages in a folder with a lot of messages causes
  CPU to spike, application to become unresponsive

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