Re: Contention preventing locking

On 20.02.2018 14:26, Simon Riggs wrote:
> Try locking the root tid rather than the TID, that is at least unique
> per page for a chain of tuples, just harder to locate.
>
As far as I understand, it is necessary to traverse the whole page to 
locate root tuple, isn't it?
If so, then I expect it to be too expensive operation. Scanning the 
whole page on tuple update seems to be not an acceptable solution.

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Konstantin Knizhnik
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