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https://issues.apache.org/jira/browse/IGNITE-28085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Valuyskiy updated IGNITE-28085:
------------------------------------
    Description: 
h1. Description

In in-memory clusters, when a data region reaches its {*}maxSize{*}, Ignite 
starts page-based eviction. At the moment this condition can only be observed 
in logs via the following warning:
{code:java}
Page-based evictions started. Consider increasing 'maxSize' on Data Region 
configuration{code}
(this message is logged from 
{*}IgniteCacheDatabaseSharedManager#warnFirstEvict{*}).

However, there is no metric indicating such conditions, which makes it 
difficult to monitor eviction pressure using monitoring systems.
h1. Proposed change

Introduce a new boolean metric that becomes true when page eviction is 
triggered due to data region memory pressure.

  was:
h1. Description

In in-memory clusters, when a data region reaches its {*}maxSize{*}, Ignite 
starts page-based eviction. At the moment this condition can only be observed 
in logs via the following warning:

 
{code:java}
Page-based evictions started. Consider increasing 'maxSize' on Data Region 
configuration{code}
 

(this message is logged from 
{*}IgniteCacheDatabaseSharedManager#warnFirstEvict{*}).

However, there is no metric indicating such conditions, which makes it 
difficult to monitor eviction pressure using monitoring systems.
h1. Proposed change

Introduce a new boolean metric that becomes true when page eviction is 
triggered due to data region memory pressure.


> Add metric indicating that page eviction has started due to DataRegion memory 
> pressure
> --------------------------------------------------------------------------------------
>
>                 Key: IGNITE-28085
>                 URL: https://issues.apache.org/jira/browse/IGNITE-28085
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Oleg Valuyskiy
>            Assignee: Oleg Valuyskiy
>            Priority: Minor
>              Labels: ise
>
> h1. Description
> In in-memory clusters, when a data region reaches its {*}maxSize{*}, Ignite 
> starts page-based eviction. At the moment this condition can only be observed 
> in logs via the following warning:
> {code:java}
> Page-based evictions started. Consider increasing 'maxSize' on Data Region 
> configuration{code}
> (this message is logged from 
> {*}IgniteCacheDatabaseSharedManager#warnFirstEvict{*}).
> However, there is no metric indicating such conditions, which makes it 
> difficult to monitor eviction pressure using monitoring systems.
> h1. Proposed change
> Introduce a new boolean metric that becomes true when page eviction is 
> triggered due to data region memory pressure.



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