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Posted to issues@ignite.apache.org by "Vyacheslav Koptilin (Jira)" <ji...@apache.org> on 2022/10/18 12:22:00 UTC

[jira] [Updated] (IGNITE-17446) Determine priority between checkpoint and merge delta files

     [ https://issues.apache.org/jira/browse/IGNITE-17446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vyacheslav Koptilin updated IGNITE-17446:
-----------------------------------------
    Fix Version/s: 3.0.0-beta2
                       (was: 3.0.0-beta1)

> Determine priority between checkpoint and merge delta files
> -----------------------------------------------------------
>
>                 Key: IGNITE-17446
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17446
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Kirill Tkalenko
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.0.0-beta2
>
>
> When creating delta files in parallel and merging them with the main partition file, the write amplification may increase, and they may begin to interfere with each other. 
> In RocksDb, these processes run in parallel, but checkpoint threads have higher thread priority. 
> I think it can be done by analogy, but without thread priorities, but with slowing down the threads of the delta file merge.



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