Messages in this thread | | | Date | Sat, 20 Jan 2007 14:56:20 -0500 | From | Stephen Clark <> | Subject | Re: Abysmal disk performance, how to debug? |
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Sunil Naidu wrote:
>On 1/20/07, Willy Tarreau <w@1wt.eu> wrote: > > >>It is not expected to increase write performance, but it should help >>you do something else during that time, or also give more responsiveness >>to Ctrl-C. It is possible that you have fast and slow RAM, or that your >>video card uses shared memory which slows down some parts of memory >>which are not used anymore with those parameters. >> >> > >I did test some SATA drives, am getting these value for 2.6.20-rc5:- > >[sukhoi@Typhoon ~]$ time dd if=/dev/zero of=/tmp/1GB bs=1M count=1024 >1024+0 records in >1024+0 records out >1073741824 bytes (1.1 GB) copied, 21.0962 seconds, 50.9 MB/s > >What can you suggest here w.r.t my RAM & disk? > > > >>Willy >> >> > >Thanks, > >~Akula2 >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > > > Hi, whitebook vbi s96f core 2 duo t5600 2gb hitachi ATA HTS721060G9AT00 using libata time dd if=/dev/zero of=/tmp/1GB bs=1M count=1024 1024+0 records in 1024+0 records out 1073741824 bytes (1.1 GB) copied, 10.0092 seconds, 107 MB/s
real 0m10.196s user 0m0.004s sys 0m3.440s
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