Date: Sat, 22 May 2004 13:56:05 -0700 From: JG <amd64list@jpgsworld.com> To: freebsd-threads@freebsd.org Subject: Re: Why is MySQL nearly twice as fast on Linux? Message-ID: <5.2.0.9.2.20040522135338.0158cc50@mail.ojoink.com> In-Reply-To: <40AF9259.9010204@he.iki.fi> References: <5.2.0.9.2.20040522100318.01598f50@mail.ojoink.com> <5.2.0.9.2.20040522052606.0156fd70@mail.ojoink.com> <5.2.0.9.2.20040521154458.01627688@127.0.0.1> <5.2.0.9.2.20040521154458.01627688@127.0.0.1> <5.2.0.9.2.20040522052606.0156fd70@mail.ojoink.com> <5.2.0.9.2.20040522100318.01598f50@mail.ojoink.com>
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At 08:48 PM 5/22/2004 +0300, you wrote:
>JG wrote:
>
>>
>>>It would be interesting if mysql is cpu-bound or disk bound in your
>>>tests and if disk-bound
>>
>>
>>
>>Anyway, I would be happy to do some disk I/O benchmarks as well.
>>
>>What program would you suggest for testing on both OS's ?
>I was more suggesting toward running gstat when the mysql benchmark is
>running.
>
>Pete
While the benchmarks are running, gstat basically looks like this:
amd64f# gstat
dT: 0.502 flag_I 500000us sizeof 288 i -1
L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name
0 0 0 0 0.0 0 0 0.0 0.0| ad0
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1
0 0 0 0 0.0 0 0 0.0 0.0| acd0
0 0 0 0 0.0 0 0 0.0 0.0| amrd0
0 0 0 0 0.0 0 0 0.0 0.0| amrd1
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1a
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1b
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1c
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1d
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1e
0 0 0 0 0.0 0 0 0.0 0.0| amrd0s1
0 0 0 0 0.0 0 0 0.0 0.0| amrd1s1
With the exception of a few split-second ticks to the amrd1
drive (the mysql data drive)
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