[jira] [Updated] (IGNITE-27580) [perfStat] Reduce memory usage in system views report generation

["Aleksandr Chesnokov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-27580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksandr Chesnokov updated IGNITE-27580:
-----------------------------------------
    Labels: IEP-35 ise  (was: ise)

> [perfStat] Reduce memory usage in system views report generation
> ----------------------------------------------------------------
>
>                 Key: IGNITE-27580
>                 URL: https://issues.apache.org/jira/browse/IGNITE-27580
>             Project: Ignite
>          Issue Type: Sub-task
>            Reporter: Aleksandr Chesnokov
>            Assignee: Aleksandr Chesnokov
>            Priority: Major
>              Labels: IEP-35, ise
>
> The PerfStat HTML report stores all system views data in a single data.json.js file. For large clusters this file can be hundreds of MB, which causes long load times and Chrome freezes due to parsing and rendering huge arrays.
> Split system views data into small chunked JSON files and add a meta.json per view (columns, row counts per node, chunk size). Update systemViewTab.js to load rows lazily (server-side pagination) and build the total view using metadata without loading all rows at once. This should keep the report responsive for large datasets



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