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https://issues.apache.org/jira/browse/IGNITE-19681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pavel Tupitsyn updated IGNITE-19681:
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Description:
Currently, client sends a separate *TX_BEGIN* request when the user invokes
*IgniteTransactions.begin()* API:
* Extra network request.
* Chosen tx coordinator (server node that handles TX_BEGIN request) is random
and in most cases won't be the primary node for enlisted keys.
Solution:
* On the client, do not send *TX_BEGIN* request when the user invokes
*IgniteTransactions.begin()*. Instead, start the tx "on demand" when it is
first used in some API.
* Send two requests at once to the same node where the first enlisted operation
goes (according to partition awareness, if applicable).
was:
Currently, client sends a separate *TX_BEGIN* request when the user invokes
*IgniteTransactions.begin()* API:
* Extra network request.
* Chosen tx coordinator (server node that handles TX_BEGIN request) is random
and in most cases won't be the primary node for enlisted keys.
> Thin 3.0: Combine tx.begin with first enlisted operation
> --------------------------------------------------------
>
> Key: IGNITE-19681
> URL: https://issues.apache.org/jira/browse/IGNITE-19681
> Project: Ignite
> Issue Type: Improvement
> Components: thin client
> Affects Versions: 3.0.0-beta1
> Reporter: Pavel Tupitsyn
> Assignee: Pavel Tupitsyn
> Priority: Major
> Fix For: 3.0.0-beta2
>
>
> Currently, client sends a separate *TX_BEGIN* request when the user invokes
> *IgniteTransactions.begin()* API:
> * Extra network request.
> * Chosen tx coordinator (server node that handles TX_BEGIN request) is random
> and in most cases won't be the primary node for enlisted keys.
> Solution:
> * On the client, do not send *TX_BEGIN* request when the user invokes
> *IgniteTransactions.begin()*. Instead, start the tx "on demand" when it is
> first used in some API.
> * Send two requests at once to the same node where the first enlisted
> operation goes (according to partition awareness, if applicable).
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