Re: what is "kfk: async disk IO"?
- From: Martin Berger <martin.a.berger@xxxxxxxxx>
- To: Dion Cho <ukja.dion@xxxxxxxxx>
- Date: Tue, 7 Dec 2010 11:27:39 +0100
Yes, ASM is used as part of the Grid (CRS) stack.
it's also 11.2.0.1 (doesn't know the PSUs/one-offs by heart, sorry).
Am 07.12.2010 um 10:02 schrieb Dion Cho:
> Just for clarity, do you use ASM for this database?
>
...
> 2010/12/7 Martin Berger <martin.a.berger@xxxxxxxxx>
> Hi,
>
> can anyone please hint me to some information about
> kfk: async disk IO ?
>
> A little query on v$sessions gave me
> USERNAME EVENT
> COUNT(*)
> ------------------------------
> -------------------------------------------------- ----------
> APPS ges message buffer allocation
> 98
> APPS CSS operation: action
> 2
> APPS Streams AQ: waiting for messages in the queue
> 9
> SYS SQL*Net message to client
> 1
> APPS SQL*Net message from client
> 147
> APPS kfk: async disk IO
> 1646
>
> as kfk: async disk IO is the bigest contributor, I'd like to investigate a
> little bit.
>
> for the records: 11.2.0.1 - 2 node RAC - RedHat 5.4 Linux 64-bit. (yes, it's
> EBS - but don't ask me the exact pach level, please - I assume 11.5.10???)
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