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Posted to issues@ignite.apache.org by "Dmitry Pavlov (Jira)" <ji...@apache.org> on 2026/05/07 13:01:00 UTC

[jira] [Updated] (IGNITE-28651) Document Calcite SQL memory quotas in Ignite 2.x documentation

     [ https://issues.apache.org/jira/browse/IGNITE-28651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitry Pavlov updated IGNITE-28651:
-----------------------------------
    Labels: ignite-2 ise  (was: ise)

> Document Calcite SQL memory quotas in Ignite 2.x documentation
> --------------------------------------------------------------
>
>                 Key: IGNITE-28651
>                 URL: https://issues.apache.org/jira/browse/IGNITE-28651
>             Project: Ignite
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Dmitry Pavlov
>            Assignee: Dmitry Pavlov
>            Priority: Minor
>              Labels: ignite-2, ise
>             Fix For: 2.18
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Ignite 2.x documentation should describe Calcite SQL memory quotas in a separate documentation task.
> The page should explain:
> * what memory the Calcite-based SQL engine accounts for;
> * global and per-query quota configuration;
> * how quotas protect the Java heap from large sorts, joins, aggregations, and result materialization;
> * how quota errors differ from JVM OutOfMemoryError;
> * how to monitor and size quotas for production queries;
> * how the page should be linked from SQL tuning and memory budget documentation.
>  



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