Messages in this thread | | | From | Perry Harrington <> | Subject | Re: e2fs + large disk == slug? | Date | Sun, 14 Jun 1998 10:30:59 -0700 (PDT) |
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> > > On Mon, 15 Jun 1998, Mark Lehrer wrote: > > > I am not a filesystem expert, but I would like to understand what > > makes e2fs slow on my 4.5 gig partition; and if someone is working on > > performance and would like some help, please holler. Some slow > > operations, kernel 2.0.34: > > > > 1) removing 500 megs of files took 30 seconds. > > This will be just as slow on a 600M filesystem... > If there are a lot of files, it's going to take a rather > long time to remove them. (Just try this under Windows:) > > On my 120mhz HP-UX system this same operation on the same set of files > with the same model disk drive only takes a few seconds; whereas with > my 200MHz PPro Linux system it takes five to ten times as long... > > Is it possible to optimize this?
Try turning on noatime and nodiratime, for every read of the directory, it hits the disk.
> > > 2) fsck of course. > > Fsck takes extremely long because it has to cross-reference > all the inode and directory data... > > Yes, this is probably unavoidable... > > Thanks, > Mark >
-- Perry Harrington Linux rules all OSes. APSoft () email: perry@apsoft.com Think Blue. /\
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