[Bug 883919] Re: NFS mount during startup causes excessive memory usage
GeniusDex
883919 at bugs.launchpad.net
Sun Oct 30 18:22:12 UTC 2011
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https://bugs.launchpad.net/bugs/883919
Title:
NFS mount during startup causes excessive memory usage
Status in “nfs-utils” package in Ubuntu:
New
Bug description:
I just installed Kubuntu 11.10 with kernel 3.0.0.12.14 and nfs-common
1:1.2.4-1ubuntu2 . I added a line to fstab (see below) to mount my NFS
filesystem automatically on boot. Now, when rebooting the memory usage
of my system keeps increasing indefinitely. In 15 minutes i went from
1.0GB to 2.2GB of usage while only using firefox (using 150MB) and
some terminals. The running processes did not significantly consume
more memory during that 15 minutes, so it must be used in the kernel.
When i unmount the NFS filesystem the memory usage of the whole system
drops back to the original 1.0GB. Re-mounting it from user space does
not start the increase of memory usage again. In both cases (original
mount and re-mount) using the NFS filesystem works just fine. I'd
expect the memory usage to stay low as well, regardless of how the
filesystem is mounted.
The fstab line is:
elephant.local:/data /data nfs defaults,user 0 0
The server-side options for NFS are: rw,no_subtree_check,async
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: nfs-common 1:1.2.4-1ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Sun Oct 30 19:09:11 2011
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
LANGUAGE=
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: nfs-utils
UpgradeStatus: No upgrade log present (probably fresh install)
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