Messages in this thread | | | Date | Fri, 19 Jan 2001 12:36:33 +0100 (CET) | From | Holger Kiehl <> | Subject | Re: More filesystem corruption under 2.4.1-pre8 and SW Raid5 |
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On Fri, 19 Jan 2001, Manfred Spraul wrote:
> > Another thing I notice is that the responsiveness of the machine > > decreases dramatically as the test progresses until it is nearly > > useless. After the test is done everything is back to normal. > > The same behavior was observed under 2.2.18. > > That's expected: ext2 performs linear searches through the directory, > and with 50 000 entries that's very slow. > Would reiserfs be better and does it now work with SW Raid5?
> I'm running a few quick tests, but I don't have a large enough spare > partition (~ 1GB?) for a full test. > > How much main memory do you have, how large is your raid5 partition? > On the two machines I have tried both have 256 MB of memory and one has a 8GB Raid5 and the other has a 30GB Raid5 partition.
> Could you try to reproduce the problem with fewer files and less main > memory? > I will try.
> I'm running your test with 48 MB ram, 12500 files, 9 processes in a 156 > MB partition (swapoff, here is the test partition ;-). > With 192MB Ram I don't see the corruption. > I am not sure if I understand you correctly: with 48MB you do get corruption and with 192MB not? And if you do see corruption are you using SW Raid, SMP?
With 10000 I also had no problem, my next step was 50000.
Holger
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