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https://issues.apache.org/jira/browse/IGNITE-8133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denis Magda reassigned IGNITE-8133:
-----------------------------------
Assignee: Prachi Garg (was: Denis Magda)
> Baseline topology documentation improvement
> -------------------------------------------
>
> Key: IGNITE-8133
> URL: https://issues.apache.org/jira/browse/IGNITE-8133
> Project: Ignite
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 2.4
> Reporter: Stanislav Lukyanov
> Assignee: Prachi Garg
> Priority: Critical
> Fix For: 2.5
>
> Attachments: blt_guide.md
>
>
> Baseline topology concept was added to Ignite in 2.4 by IEP-4. This changed
> Ignite cluster behavior when persistence is enabled (first of all, activation
> and rebalancing timings).
> It seems that the current documentation may be confusing.
> For example, the sentence
> {quote}Note that the baseline topology is not set when the cluster is started
> for the first time; that's the only time when a manual intervention is
> needed.{quote}
> may lead one to think that baseline topology is not used by default and needs
> to be enabled only if one wants to use it.
> Also, the documentation describes the tools and commands that are used to
> manage the baseline topology and activation, but doesn't give guidelines on
> which nodes should be in the topology, when should it be changed, etc.
> The documentation should be enhanced to
> - give clear understanding that baseline topology always needs to be
> considered as a part of the cluster architecture when persistence is enabled;
> - provide overview of the behavioral changes compared to AI 2.3 (use a
> note/warning block for that to separate it from the main text?);
> - provide basic guidelines and suggestions of how one can start a new cluster
> and manage it (when to activate/deactivate, when to change baseline topology,
> what happens and what needs to be done when a node fails or joins, how to use
> consistentId)
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