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  #1  
Old 14th March 2012, 09:02 PM
stevea Online
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My big fat geek paging

I still have an instance of F14 running and was surprised to see this 8GB DRAM system swapping under modest use. I found an instance of firefox using 4.8GB of resident memory !

Quote:
ps -e -o cmd,rss,vsz | grep firefox
/usr/lib64/firefox-3.6/fire 4924348 6254892
Uptime just over 3 days, ~20 firefox tabs.

So firefox-3.6 leaks like the Titanic post-iceberg. (firefox 10 appears a lot better).
How did firefox escape into the repos ?

Can anyone top that for egregious abuse of resources by a single process ?
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  #2  
Old 14th March 2012, 09:27 PM
glennzo Offline
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Re: My big fat geek paging

About 20 tabs? What are you doing? I don't think I've ever had more than 5 or 6 open at most
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  #3  
Old 14th March 2012, 09:55 PM
stevea Online
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Re: My big fat geek paging

Curiosity is a terrible curse !

So I've got ~3 fedorafoums tab open, a bugzilla tab, an and pressing through a self-taught crash course on systemd, and have 7 tabs on that(Dan Walsh has several nice blog pages recently, Lennart Poettering (pronounced Ptu-ey! by some) old articles and a reference to the launchd origins and a vid on that, and I invest so there are ~3 tabs on my personal stuff, and on another money forum someone was talking debt:gdp ratios that lead me to examine iceland's economy - close enough to obtain another 5 tabs (hint: stock up on canned herring - those guys may crash as hard as Greece w/ no EC safety net). So half a dozen of the tabs should have been shut, but there were just hanging around from when I was called away to tend dinner yesterday.

Still - 12-20 browser tabs split across 2 or 3 windows is about were I an comfortable these days.

For a while I was well above that number.
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  #4  
Old 14th March 2012, 11:41 PM
nonamedotc Offline
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Re: My big fat geek paging

Quote:
Originally Posted by stevea View Post
So firefox-3.6 leaks like the Titanic post-iceberg. (firefox 10 appears a lot better).
How did firefox escape into the repos ?

Can anyone top that for egregious abuse of resources by a single process ?
Forget the repositories in F14. Isn't Firefox 3.6 still in red hat/Centos/Scientific linux repositories or have they also moved on?

Just for fun, I ran the peacekeeper tests (just to push) when I had some 7 tabs open in Firefox 10. This was the average

Quote:
ps -e -o cmd,rss,vsize | grep firefox
/usr/lib64/firefox/firefox 603832 1588400
The highest was ~1.4 GB and the normal usage (average is 7 tabs) is 420 MB. Based on your numbers, it does look like firefox has come a long way ?
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  #5  
Old 14th March 2012, 11:46 PM
Evil_Bert Offline
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Re: My big fat geek paging

Quote:
Originally Posted by nonamedotc View Post
Isn't Firefox 3.6 still in red hat/Centos/Scientific linux repositories or have they also moved on?
They recently moved to Firefox 10.
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  #6  
Old 15th March 2012, 12:37 AM
Dutchy Offline
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Re: My big fat geek paging

Damn, that's a hungry browser you got there!
But I think archive programs can easily max out your memory.
Depends on the algorithm and settings a lot though (try 7z for an instance).
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  #7  
Old 15th March 2012, 01:55 AM
BBQdave Offline
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Re: My big fat geek paging

This one goes to 11 for when you need that little extra. So I am at 10 and I need just a little more, I set it to 11

Firefox 11 is out.
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  #8  
Old 15th March 2012, 01:58 AM
Evil_Bert Offline
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Re: My big fat geek paging

Firefox 10 is supposed to be an "extended release" for enterprise customers. 11 is supposed to be the first of the new sleek interface (IIRC).
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  #9  
Old 15th March 2012, 02:18 AM
BBQdave Offline
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Re: My big fat geek paging

Quote:
Originally Posted by Evil_Bert View Post
Firefox 10 is supposed to be an "extended release" for enterprise customers. 11 is supposed to be the first of the new sleek interface (IIRC).
Yeah, I'm not seeing the new sleek interface, as I am running iceweasel (backported). So the release updates, but the interface is the same. And I have not used iceweasel 11 long enough to see if there is a performance boost.

---------- Post added at 09:18 PM ---------- Previous post was at 09:10 PM ----------

with 5 tabs open in iceweasel 11, memory usage is at 25% (250mb). My system has 1 gig of ram.

Not as many tabs open as stevea, but still considerably less memory usage. Is the memory usage by firefox based on a percentage of the available ram?
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  #10  
Old 20th March 2012, 03:29 PM
stevea Online
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Re: My big fat geek paging

Quote:
Originally Posted by BBQdave View Post
[...]with 5 tabs open in iceweasel 11, memory usage is at 25% (250mb). My system has 1 gig of ram.

Not as many tabs open as stevea, but still considerably less memory usage. Is the memory usage by firefox based on a percentage of the available ram?
No. When I restarted that instance of firefox with all the same tabs open the mem usage was only 218MB (25x smaller)! The problem is that firefox leaks memory over time. Sometimes horribly. I did have a paused Flash player in one tab left alone for ~20 hours. That may be the unusual factor. Still - try this experiment. Start firefox with some significant set of tabs and measure the resident pages. Then leave that app alone and come back after some hours and measure the memory usage again. It often increases and often by a significant amount.

---------- Post added at 10:29 AM ---------- Previous post was at 10:22 AM ----------

Quote:
Originally Posted by Dutchy View Post
Damn, that's a hungry browser you got there!
But I think archive programs can easily max out your memory.
Depends on the algorithm and settings a lot though (try 7z for an instance).
Tho' it can be a memhog, 7p appears to only use a bounded tho huge amount of memory.
http://www.worthinstalling.com/2006/...mpression.html
So I can't call this resource abuse.
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  #11  
Old 20th March 2012, 10:57 PM
mmix Offline
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Re: My big fat geek paging

use firefox nightly. atm, 14.0a1.

http://nightly.mozilla.org/
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  #12  
Old 21st March 2012, 04:42 AM
stevea Online
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Re: My big fat geek paging

Quote:
Originally Posted by mmix View Post
use firefox nightly. atm, 14.0a1.

http://nightly.mozilla.org/
B/C new bugs are so much better than old bugs ?
Really ?
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  #13  
Old 21st March 2012, 06:27 AM
BBQdave Offline
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Re: My big fat geek paging

Quote:
Originally Posted by stevea View Post
Still - try this experiment. Start firefox with some significant set of tabs and measure the resident pages. Then leave that app alone and come back after some hours and measure the memory usage again. It often increases and often by a significant amount.
You are right. I had my normal tabs open plus a tab on a lengthy article I was reading. I was back and forth between my computer and other activities over the course of 7 hours. At the finish of the article I checked my memory usage, and it had doubled from when I started (same tabs open the whole time). Wow
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