On 11/09/2009 06:10 AM, Andrea Govoni wrote:
> on 09/11/09 05:08 NoOp said the following:
>> 
>> On 11/08/2009 07:10 PM, Kent Briggs wrote:
>>> 
>>> Yeah, that's nothing. The delays show up when you got multiple groups 
>>> with 50,000 or more posts in them.
>> 
>> You may have missed this from my previous post:
>> gmane.linux.ubuntu.user - 200054 (goes back to 2004)
>> That is:
>> 200,054
>>  and is 4 times your 50,000 posts.
>> 
>> Scroll up to the top to the group, click & instantaneously get:
>> Newsgroups: gmane.linux.ubuntu.user
>> Subject: Re: D-Link Airplus DWL-G650+
> 
> I think you're misunderstanding Kent's complaint.
> The big delay and high CPU activity that Kent is referring to is when
> newsgroups with many thousands of messages already downloaded are
> checked for new messages. It's not when a message is displayed or when
> SM2.0 downloads the number of headers you want the *first* time that a
> newsgroup is checked.

I think I do understand his complaint. I just installed a fresh SM 2.0
on one of my test systems[1] and added news.gmane.org. I then subscribed
to two newsgroups:

1. gmane.linux.ubuntu.user
200394 new message headers...
2. gmane.linux.emulators.virtualbox.general
7525 new message headers to download...

For both groups I can: 1) elect to download 500 headers (default), 2)
change from 500 to some other number, 1000 for instance, or 3) Download
all headers.

Obviously if I elect to download all headers from either one it will
take me some time to do so. So I pick #1 above and elect to download all
200,394 headers.

I start at 4:30 PM PDT & watch as the downlod progresses. news.gmane.org
is cooperating today, so it seems to be going along smoothly...
4:35 PM and I am at 130501 headers...
4:37 and I seem to be hanging on header 200013 - that may be an issue
with the server or the msg itself. Nope, just some fool they let post a
pdf.
4:39 all 200396 (two more were added in the process) are there. I click
on one from 17 Sep 2004 & it loads just fine.

I then close & restart SeaMonkey 2.0 and access the same
gmane.linux.ubuntu.user immediately after startup. I time it using a
clock display (w/seconds) on the other computer (click on the
newsgroup): takes ~15 seconds.

I then modify news.update_unread_on_expand and set to false & repeat the
above (including restart). Time to open the newsgroup: ~15 seconds.

Keep in mind, the specs of the memory of the machine (see [1] below),
I'll load up 1.1.18 and repeat later tonight or tomorrow on the same low
memory machine.

[1] The test system is a 1.8Ghz/245Mb running Ubuntu linux 9.10 with a
1.5Mb DSL link. I've made _no_ modifications to SeaMonkey other than
basic setup.
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