[Webkit-unassigned] [Bug 25065] New: free my memory on tab close

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=25065

           Summary: free my memory on tab close
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://bugzilla.gnome.org/show_bug.cgi?id=553193
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Critical
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: nekohayo at gmail.com


This is a bug that I reported on GNOME's epiphany-webkit 2.27 (packaged by Kov
against webkit 1.1.1) and found its memory usage to be pretty dramatic. The
Midori browser (which also uses webkit) has the same pattern. I thought I'd
report it here so it can get some attention from upstream. I presumed if two
webkit browsers have the same behavior regarding memory usage, webkit may have
something to do with it.

"Demonstration of the problem:
http://jeff.ecchi.ca/public/epiphany%20webkit%20memory%20usage.ogv

I need to kill epiphany twice a day to go back to a sane level (and stop
swapping for nothing). Just now, Epiphany was using 473.9 Mib of ram (according
to gnome-system-monitor's "memory" column), and after killing it, restarting it
and waiting for all tabs to load, it is now using 187.6 Mib. That's quite a
significant difference that cannot be attributed to caching webpages in memory,
and it makes epiphany painful to use on machines with less than 16 Exabytes of
ram.

For what it's worth, Chromium doesn't do this (but then everything is a
separate process over there)."


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