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https://issues.apache.org/jira/browse/IGNITE-10598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikolay Izhikov updated IGNITE-10598:
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Labels: h2-limitation (was: )
> H2 ConnectionManager drop ThreadLocal logic
> -------------------------------------------
>
> Key: IGNITE-10598
> URL: https://issues.apache.org/jira/browse/IGNITE-10598
> Project: Ignite
> Issue Type: Task
> Components: sql
> Affects Versions: 2.7
> Reporter: Taras Ledkov
> Assignee: Taras Ledkov
> Priority: Major
> Labels: h2-limitation
>
> Looks like we have to change H2 connection management after the patch
> IGNITE-9171 is applied. Caching H2 connection in ThreadLocal doesn't make
> sense because connections are shared between thread in fact.
> Drop ThreadLocal connection cache simplifies connection management. We
> haven't check thread state to close connection.
> The solution needs in good performance analysis & benchmark to be sure that
> contention on concurrent collection of H2 connections doesn't affect query
> performance.
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