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Posted to issues@ignite.apache.org by "Andrey Kuznetsov (JIRA)" <ji...@apache.org> on 2018/04/05 11:59:00 UTC
[jira] [Commented] (IGNITE-7499) DataRegionMetricsImpl#getPageSize
returns ZERO for system data regions
[ https://issues.apache.org/jira/browse/IGNITE-7499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16426798#comment-16426798 ]
Andrey Kuznetsov commented on IGNITE-7499:
------------------------------------------
Unlike regular data regions, system data region configuration is hardcoded, and metrics are disabled there. [~kuaw26], do we have real reasons to query metrics for system data region? Depending on the answer to this question we can choose the way of fixing the issue.
> DataRegionMetricsImpl#getPageSize returns ZERO for system data regions
> ----------------------------------------------------------------------
>
> Key: IGNITE-7499
> URL: https://issues.apache.org/jira/browse/IGNITE-7499
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Reporter: Alexey Kuznetsov
> Assignee: Andrey Kuznetsov
> Priority: Major
> Fix For: 2.5
>
>
> Working on IGNITE-7492 I found that DataRegionMetricsImpl#getPageSize returns ZERO for system data regions.
> Meanwhile there is also org.apache.ignite.internal.pagemem.PageMemory#systemPageSize method.
> That looks a bit strange, why we need PageSize and SystemPageSize ?
>
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