[jira] [Commented] (IGNITE-9113) Allocate memory for a data region when first cache assigned to this region is created

["Pavel Voronkin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-9113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768268#comment-16768268 ] 

Pavel Voronkin commented on IGNITE-9113:
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[~NIzhikov] i also observe that persistent(true) is ignored and region always created non-persistent. Seems like a bug we shouuld either fail on start or support persistent regions.

> Allocate memory for a data region when first cache assigned to this region is created
> -------------------------------------------------------------------------------------
>
>                 Key: IGNITE-9113
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9113
>             Project: Ignite
>          Issue Type: Improvement
>          Components: cache
>    Affects Versions: 2.6
>            Reporter: Valentin Kulichenko
>            Assignee: Nikolay Izhikov
>            Priority: Major
>             Fix For: 2.8
>
>
> Currently we do not create any regions or allocate any offheap memory on client nodes unless it's explicitly configured. This is good behavior, however there is a usability issue caused by the fact that many users have the same config file for both server and clients. This can lead to unexpected excessive memory usage on client side and forces users to maintain two config files in most cases.
> Same issue is applied to server nodes that do not store any data (e.g. nodes running only services).
> It's better to allocate memory dynamically, when first cache assigned to a data region is created.
> More detailed discussion here: http://apache-ignite-developers.2346864.n4.nabble.com/Data-regions-on-client-nodes-td32834.html



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