How dose ignite implement concurrent control in transaction？

[zhouxy1123]

hi ， How dose ignite implement concurrent control in transaction？
Since Ignite support Read Repeat isolation，so in a transaction lock protocol
is tow phase with respect to exclusive lock and well-formed. Does Ignite
implement tow phase lock and granule lock to prevent phantom read.Besides
Dose Ignite support granular locks and intend lock?



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[Dmitriy Pavlov]

Hi,

Probably answers can be found here
https://cwiki.apache.org/confluence/display/IGNITE/Ignite+Key-Value+Transactions+Architecture

Sincrely,
Dmitriy Pavlov

пн, 21 мая 2018 г. в 14:46, zhouxy1123 <[hidden email]>:

> hi ， How dose ignite implement concurrent control in transaction？
> Since Ignite support Read Repeat isolation，so in a transaction lock
> protocol
> is tow phase with respect to exclusive lock and well-formed. Does Ignite
> implement tow phase lock and granule lock to prevent phantom read.Besides
> Dose Ignite support granular locks and intend lock?
>
>
>
> --
> Sent from: http://apache-ignite-developers.2346864.n4.nabble.com/
>

[zhouxy1123]

hi Dmitriy Pavlov ,
thanks for your reply,
I read the doc , and I find that in RR isolation ,there is just one kind of
lock.
So Ignite dose not support share lock ?  And dose Ignite not support granule
lock?




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