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https://issues.apache.org/jira/browse/IGNITE-28742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Pavlov updated IGNITE-28742:
-----------------------------------
Labels: documentation eviction ise metrics (was: documentation eviction
metrics)
> Document page eviction start monitoring and per-data-region warning behavior
> ----------------------------------------------------------------------------
>
> Key: IGNITE-28742
> URL: https://issues.apache.org/jira/browse/IGNITE-28742
> Project: Ignite
> Issue Type: Improvement
> Components: documentation
> Reporter: Ignite TC Bot
> Priority: Major
> Labels: documentation, eviction, ise, metrics
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Documentation should explain how to monitor page eviction start after
> IGNITE-28085 and IGNITE-28099.
> The EvictionsStarted metric is already listed in the Data Region metrics
> table, but the user documentation does not explain the operational scenario:
> * EvictionsStarted becomes true for the affected DataRegion when page
> eviction starts due to memory pressure.
> * EvictionRate can be used together with EvictionsStarted to monitor ongoing
> page eviction activity.
> * The warning 'Page-based evictions started. Consider increasing maxSize on
> Data Region configuration: <region_name>' is logged once per DataRegion.
> * For monitoring, EvictionsStarted should be preferred over log parsing
> because it identifies the affected DataRegion directly.
> Suggested location: docs/_docs/memory-configuration/eviction-policies.adoc.
> Context: CRPV-16179, related tickets IGNITE-24992, IGNITE-28085, IGNITE-28099.
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