Re: Number of Transaction Slots

Basically the total ITL size can't be bigger than 50 percent of the available space for data for the block size. ((db_block_size - ovh) /2) / itl size

Anjo.

Rajesh.Rao_at_jpmchase.com wrote:

> I believe someone else had asked this question before, but I did not see a
> reply. Does anyone know the number of transaction slots in the rollback
> segment header for block sizes of 4k, 8k, et all?
>
> >From what I have read, for a block size of 2K, its 21 transaction slots.
> (Steve Adams at www.ixora.com.au)
> For a block size of 8K, its 98 (Jonathan Lewis on Metalink - For 8.1.6)
>
> As per Metalink:
>
> 2K - 31
> 4K - 67
> 8K - 140
>
> Different answers? What does it depend on? OS Version, Oracle Version,
> number of extents in rollback segment??
>
> Regards
> Raj
>
>
>
>
>
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-- 
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-- 
Author: Anjo Kolk
  INET: anjo_at_oraperf.com

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