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https://issues.apache.org/jira/browse/IGNITE-9694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16653557#comment-16653557
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Dmitriy Govorukhin commented on IGNITE-9694:
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[~ibessonov] Thanks, the test looks good to me.
> Add tests to check that reading queries are not blocked on exchange events
> that don't change data visibility
> ------------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-9694
> URL: https://issues.apache.org/jira/browse/IGNITE-9694
> Project: Ignite
> Issue Type: Improvement
> Reporter: Ivan Bessonov
> Assignee: Ivan Bessonov
> Priority: Major
> Fix For: 2.8
>
>
> In current implementation there might be situations where reading operation
> waits, for example, exchange of client join event. Such events should not
> block read operations.
> In theory - the only operation that has to block reading (except for writing)
> is "node left" for server (or baseline server in case of persistent setup).
> Table shows current state of blocking, covered by test in this ticket:
>
> Partitioned cache:
> || ||Start
> Client||Stop
> Client||Start
> Server||Stop
> Server||Start
> Baseline||Stop
> Baseline||Add
> Baseline||Start
> Cache||Stop
> Cache||Create
> Sql Index||Drop
> Sql Index||
> |Get| (/)| (?)| (x)| (x)| (x)| (x)| (/)| (x)| (x)|
> (/)| (/)|
> |Get All| (/)| (?)| (x)| (x)| (x)| (x)| (/)| (x)|
> (x)| (/)| (/)|
> |Scan| (/)| (?)| (/)| (/)| (/)| (/)| (/)| (/)| (/)|
> (/)| (/)|
> |Sql Query| (/)| (?)| (x)| (x)| (/)| (x)| (?)| (/)|
> (/)| (/)| (/)|
> Replicated cache:
> || ||Start
> Client||Stop
> Client||Start
> Server||Stop
> Server||Start
> Baseline||Stop
> Baseline||Add
> Baseline||Start
> Cache||Stop
> Cache||Create
> Sql Index||Drop
> Sql Index||
> |Get| (/)| (?)| (x)| (x)| (x)| (x)| (/)| (x)| (x)|
> (/)| (/)|
> |Get All| (/)| (?)| (x)| (x)| (x)| (x)| (/)| (x)|
> (x)| (/)| (/)|
> |Scan| (/)| (?)| (/)| (/)| (/)| (/)| (/)| (/)| (/)|
> (/)| (/)|
> |Sql Query| (/)| (?)| (/)| (/)| (/)| (?)| (/)| (/)|
> (/)| (/)| (/)|
>
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