[Bugme-new] [Bug 8947] New: [wish] reduce disk usage at point of
memory exhaustion
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Mon Aug 27 11:19:31 PDT 2007
http://bugzilla.kernel.org/show_bug.cgi?id=8947
Summary: [wish] reduce disk usage at point of memory exhaustion
Product: Memory Management
Version: 2.5
KernelVersion: 2.6.18.2
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: akpm at osdl.org
ReportedBy: bluedzins at wp.pl
Distribution: OpenSUSE 10.2
Software Environment: no swap enabled (for reason), 2GB RAM
Problem Description:
The original report can be found here:
https://bugzilla.novell.com/show_bug.cgi?id=192705
however then I was referring to the disk usage as to swapping.
The problem is when hard-computing some stuff when I need every bit from my
memory. At the point of memory exhaustion there is really bad, heavy disk
usage, the whole system freezes (it could for long) and then the process is
killed.
I don't know if it is the smallest possible program to show the problem, but:
https://bugzilla.novell.com/attachment.cgi?id=93743
Compile, run, wait and suffer :-)
I don't know what exactly is going on when the disk is used but I would like to
see either a way to block it or smarten things up. I would like also to
understand the reason, because so far we can rule out swapping (I don't have
one), so does system writes something on disk (what? and where? and why?) or
reads something (again, in such situation nothing should be read, after all
free memory is decreasing at that point).
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