1152973 - Ram usage and related file GZ

Status: RESOLVED WORKSFORME

(Firefox :: Tabbed Browser, defect)

Description

[Yorgos]

User Agent: Mozilla/5.0 (Windows NT 6.0; rv:37.0) Gecko/20100101 Firefox/37.0
Build ID: 20150402191859

Steps to reproduce:

I opened 6 Facebook pages with related photo albums,

OR

I am on Street view


Actual results:

slow browsing, lag, black lags....when this happens I see this file in my profile. I want to know what it is and how this log can help for better browsing experience. thanks.

see 2 attachments.




Expected results:

no ram issues since the OS has 3,5GB ram.

Comment 1

[Yorgos]

Attachment: on FB

Comment 2

[Yorgos]

Attachment: Street view to full screen mode and black coloured lag.

Comment 4

[Nickolay_Ponomarev]

Hi! Sorry you're having trouble with Firefox. I'm not sure what's going on with your system...

The common procedures you should try are listed at https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster , if that doesn't help, try posting your question here: https://support.mozilla.org/en-US/questions/new/desktop

Reading your about:memory logs, I wonder if restarting Firefox helps for a while? While you may have 3.5GB RAM, 32-bit Firefox is limited to 2 GB probably (per bug 670967 comment 33), which may cause the flood of low-memory-events one of your memory reports shows.

The interesting parts of the first report are below, I don't see anything particularly special about the second report.

536.99 MB (100.0%) -- explicit
...
2,047.94 MB (100.0%) -- address-space
├──1,299.38 MB (63.45%) -- commit
│  ├────909.43 MB (44.41%) ++ private
│  ├────239.66 MB (11.70%) ++ mapped
│  └────150.29 MB (07.34%) ++ image
├────549.92 MB (26.85%) -- reserved
│    ├──511.70 MB (24.99%) ── private [5885]
│    └───38.22 MB (01.87%) ── mapped [6]
└────198.64 MB (09.70%) ── free [468]
...
251,139 (100.0%) -- low-memory-events
├──251,139 (100.0%) ── virtual
└────────0 (00.00%) ── physical
...
  294.18 MB ── heap-committed
  660.00 MB ── heap-mapped
...
  908.20 MB ── resident
1,849.02 MB ── vsize
    9.00 MB ── vsize-max-contiguous

Comment 5

[Yorgos]

Hi, thanks for your reply and suggestions.
I'd like to say that zhpdiag tells my that the real ram is
Total RAM: 3070 MB (58% free)

Yes, the problem disappears if I restart FF.

Comment 6

[Nicholas Nethercote [inactive]]

What is "GZ"?

Comment 7

[Nickolay_Ponomarev]

njn, I guess this refers to the memory report file's extension (json.gz)

Comment 8

[Yorgos]

I add another GZ file. Its sure that 4GB (3.36GB) are not enough for Firefox?
(I need noscript and adb).
Firefox stop working when it reach 1Gb ram and I go this file (attch).

there is a way to have Firefox working well even if it uses more than 1Gb ram, when the total ram usage is 60%?

I notice slowness and, switching in full screen mode, I see black screen , without crash.

1) the official minumum ram required by firefox.
2) how to improve FF responsiveness (on MY profile, not on an clean profile), without to get this GZ file (that means: "Firefox is now above 1Gb ram and is unable to working well").

Comment 9

[Yorgos]

Attachment: memory-report.json.gz

From this log can you establish what is happening? I seriously dount that its due to my 3 addons and I dout that my ram is not enough.

Comment 10

[Yorgos]

yes, restarting ff...I can open 100 tabs!

perhaps its due to the way Firefox handles with facebook?

Comment 11

[Yorgos]

the ram is 4GB.
the real ram is 3,36GB.
but this problems happens *because* FF is unable to working well when it reach ONE GB ram. this is the problem. I never ask Firefox to handle 3GB, 
but 1GB yes, I ask this ;)

Comment 12

[Yorgos]

Sorry. be patient.
I add another file.
please the minimum ram required by firefox.

I repeat my question: its due to Facebook?

have I to buy other ram??

Comment 13

[Yorgos]

Attachment: memory-report.json.gz

Comment 14

[Yorgos]

Attachment: memory-report.json.gz

Today I was aware of thid file because watching YT, it stopped buffering; stop! I had to refresh the page, then ok.

Comment 15

[Yorgos]

By simply watching a 480p YT video?! not enough ram?
never happened in the past (i watched 1080p without issues).

I repeat the question:
what the minum ram requested by the newer version of Firefox. Does FF require much more ram than in the past?

thanks for verify.
(new attach).

Comment 16

[Yorgos]

Attachment: memory-report.json.gz

Comment 17

[Yorgos]

in other words: does HTML5 (that doesnt support GPU acceleration) required much more ram than flash player on the same video? 
yes.

Comment 18

[Yorgos]

Another attachment.
Am I wrong with this statement?
"even if FF needs 1,2GB ram "only" (and my system has still 40% ram free) FF is unable in handling well Facebook photoalbums long time scrolling?
ram issues in loading jpeg?

Comment 19

[Yorgos]

Attachment: memory-report.json.gz

Comment 20

[Yorgos]

today simply watching HTML5.
(ok this is normal: html5 does not support gpu acceleration and requires more than 50% ram usage compared to flash player).
anyway....

Comment 21

[Yorgos]

Attachment: memory-report.json.gz

Comment 22

[Yorgos]

Attachment: memory-report.json.gz

Comment 24

[Yorgos]

Attachment: memory-report.json.gz

with ff41

Comment 25

[u554753]

Tested this on the following specs:
OS: Windows Vista x32 
RAM: 3200 MB of RAM
Version: Nightly 45.0a1
Build ID: 20151112030238 

I am currently unable to reproduce this issue. Can you try testing again on an updated build of Nightly? Thanks!

Comment 26

[Yorgos]

Attachment: memory-report.json.gz

Comment 27

[Yorgos]

Did you try with Facebook photo albums (a big scroll), this is important.

Comment 28

[Yorgos]

can you try with FF 42 too?

Comment 29

[u554753]

Hi Yorgos, can you provide a link that has a public Facebook album that scrolls? I still cannot seem to reproduce this bug under the following specs:

OS: Windows Vista x32 
RAM: 3200 MB of RAM
Version: 42.0

Comment 30

[Yorgos]

Hi Grover,

thanks for your reply.
I guess that these FB albums are good for scrolling, they are long, with a lot of photos ;)
https://www.facebook.com/francescaroccoofficial/photos_stream
and
https://www.facebook.com/familyresort/photos_stream


(Maybe related to
https://bugzilla.mozilla.org/show_bug.cgi?id=1222272
and the links in it ? see please my latest tar.gz from today in this bug 1222272, measured in a new window, as suggested by the expert)

The problem arises with 900MB only, microlag, then lag, then above 1GB-1,4GB the crash.
Thanks a lot, much appreciated.
If I open 4 FB, the ram arises, but then when I close all FB albums, FF is still affected by slowness; workaround: close and reopen it.

Comment 31

[u554753]

Hello Yorgos, 

Thank you for reporting and keeping us up to date with this bug. 

I gave it one final look-over with the two links you provided with five tabs and 2 windows with YouTube open as well. I am still experiencing no issues with Firefox 42. If you are not using Firefox version 42, please update and see if you are still experiencing these issues.

Thanks.

Comment 32

[Yorgos]

Oh, very bad news :(
I have FF42.

at this point no idea what to do...
I cannot use Firefox :(

Comment 33

[Yorgos]

Attachment: Measured in a NEW FF window. What is causing this behaviour??

Comment 34

[u554753]

Try clearing your system and browser cache.

Comment 35

[Yorgos]

My setting are: delete cache&cookie at FF shutdown.