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RE: rac cache fusion tuning

From: Steiner, Randy <RASTEIN_at_NYCT.com>
Date: Tue, 31 Jan 2006 15:11:15 -0500
Message-ID: <A9461F6194CBD411B1BF0008C791F91E068894E2@ems26.nyct.com>


Your right, netstat shows no lost blocks.

Iface       MTU Met    RX-OK RX-ERR RX-DRP RX-OVR 
bond0      1500   0 13026911      0      0      0 
bond0:1    1500   0      - no statistics available
eth0       1500   0    14886      0      0      0 
eth1       1500   0 12977079      0      0      0 
eth2       1500   0 262653269      0      0      0
eth3       1500   0    49832      0      0      0 
lo        16436   0 20644606      0      0      0



Iface          TX-OK TX-ERR TX-DRP TX-OVR Flg       
bond0       15779950      0      0      0 BMmRU     
bond0:1      -                            BMmRU     
eth0            2217      0      0      0 BMRU      
eth1        15779950      0      0      0 BMsRU     
eth2         181705490      0      0      0 BMRU    
eth3               0      0      0      0 BMOsRU    
lo          20644606      0      0      0 LRU       



> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org

[mailto:oracle-l-bounce_at_freelists.org]
> Sent: Tuesday, January 31, 2006 9:13 AM
> To: kevinc_at_polyserve.com
> Cc: oracle-l_at_freelists.org
> Subject: Re: rac cache fusion tuning
>
> I would look deeper into 'blocks lost'. It shouldn't return any rows.
> Check netstat.
>
>
> On 1/30/06, Kevin Closson <kevinc_at_polyserve.com> wrote:
>
> >>>I am running 10g2 on 4 hp bp20 blades, with rhe3.
> >>>
> >>>I am getting many of the following:
> >>>Metrics "Global Cache Average Current Get Time" is at
> >>>1.46667 Metrics "Global Cache Blocks Lost" is at 4 Metrics
> >>>"Global Cache Average CR Get Time" is at 2.16129
>
>
> Are you sure it needs tuning? Is performance poor?
> Do these waits settle below I/O ?
>
> --
> http://www.freelists.org/webpage/oracle-l
>
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>
>
>
> --
> Regards,
> Ranko Mosic
> Contract Senior Oracle DBA
> Oracle 10g, 9i Certified Database Professional
> Phone: 416-450-2785
> email: mosicr_at_rogers.com <mailto:mosicr_at_rogers.com>
>
http://ca.geocities.com/mosicr@rogers.com/ContractSeniorOracleDBARankoMo si
> cMain.html

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Received on Tue Jan 31 2006 - 14:11:15 CST

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