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https://issues.apache.org/jira/browse/IGNITE-20887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Orlov reassigned IGNITE-20887:
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Assignee: Konstantin Orlov
> Sql. Avoid using blocking api in sql threads
> --------------------------------------------
>
> Key: IGNITE-20887
> URL: https://issues.apache.org/jira/browse/IGNITE-20887
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Konstantin Orlov
> Assignee: Konstantin Orlov
> Priority: Major
> Labels: ignite-3
>
> As for now, there are two places which blocks sql thread in order to wait for
> completion of the operation:
> * {{join()}} on futures returned by {{UpdatableTable}} in {{ModifyNode}}
> * finalisation of a transaction in {{QueryTransactionWrapper}}
> Performance of a sql engine is sensitive to a blocking of sql threads because
> every fragment of a query is bound to a particular thread.
> Let's revise and fix aforementioned places.
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