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https://issues.apache.org/jira/browse/IGNITE-15998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455238#comment-17455238
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Eduard Rakhmankulov commented on IGNITE-15998:
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[~ptupitsyn] good day, I've fixed the issues you've mentioned and rerun the
tests. Please look at the patch again.
> Add separate configuration for system data region.
> --------------------------------------------------
>
> Key: IGNITE-15998
> URL: https://issues.apache.org/jira/browse/IGNITE-15998
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Reporter: Eduard Rakhmankulov
> Assignee: Eduard Rakhmankulov
> Priority: Major
> Fix For: 2.13
>
> Time Spent: 2h 20m
> Remaining Estimate: 0h
>
> *AS IS*
> Currently, Ignite users can control only two *system region* parameters:
> *initialSize* and *maxSize.* These properties are managed by
> DataStorageConfiguration, but same time default and user-specified regions
> have *org.apache.ignite.configuration.DataRegionConfiguration* for
> configuring them. It is not wise to use the same class for the {*}system
> region{*}, because there are some restrictions the codebase is relying on,
> but keeping to `drill new holes` in *DataStorageConfiguration* for the
> *system region* is not good either.
>
> *TO BE*
> Implement configuration class for systemDataRegion similar to
> {*}org.apache.ignite.configuration.DataRegionConfiguration{*}, but with more
> restricted options, ready to be added more on-demand.
> Move systemRegionProperties from
> *org.apache.ignite.configuration.DataStorageConfiguration* to own class.
>
> API changes:
> # Declare deprecated:
> **
> org.apache.ignite.configuration.DataStorageConfiguration#setSystemRegionInitialSize
> **
> org.apache.ignite.configuration.DataStorageConfiguration#getSystemRegionInitialSize
> **
> org.apache.ignite.configuration.DataStorageConfiguration#setSystemRegionMaxSize
> **
> org.apache.ignite.configuration.DataStorageConfiguration#getSystemRegionMaxSize
> # Add new methods:
> **
> org.apache.ignite.configuration.DataStorageConfiguration#setSystemDataRegionConfiguration(SystemDataRegionConfiguration)
> **
> org.apache.ignite.configuration.DataStorageConfiguration#getSystemDataRegionConfiguration
> # Add new configuration class
> org.apache.ignite.configuration.SystemDataRegionConfiguration
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