Messages in this thread | | | Date | Sun, 2 Dec 2001 14:06:12 +0200 (SAST) | From | Zwane Mwaikambo <> | Subject | average user comments on 2.5.1-pre5 |
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Hi, I've just tried running 2.5.1-pre5 on my desktop machine and noticed the following, when untarring medium sized files (kernel tarballs) even from disk to disk (different channels) or moving large files around i get mouse lag in X and after its done, and the flushing to disk begins the interactive performance of the box takes a dive for the duration of that disk activity. The last kernel i had before this was 2.4.13-ac7-preempt which didn't exhibit this. 2.5.1-pre1 has the same problem.
The box is a P3-550/512M with disks doing UDMA33 on a PIIX4, the source filesystem (where the tarballs are) is an ext3 one and destination is ReiserFS (different disks/channels). The lag doesn't seem attributed to CPU usage because the disk i/o barely hits the CPU (also checked via xosview). VM performance on the other hand is quite nice, it does the right thing a good majority of the time (unused stuff getting paged out, proper cache/buffer usage) Main memory usage is a mixture of large datasets and disk cache (multiple 500+ page PDFs being searched, whilst doing various background compiles).
Regards, Zwane Mwaikambo
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