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Posted to issues@ignite.apache.org by "Semyon Danilov (Jira)" <ji...@apache.org> on 2020/12/28 08:25:00 UTC
[jira] [Assigned] (IGNITE-13786) PDS defragmentation can inflate
index size
[ https://issues.apache.org/jira/browse/IGNITE-13786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Semyon Danilov reassigned IGNITE-13786:
---------------------------------------
Assignee: Ivan Bessonov (was: Semyon Danilov)
> PDS defragmentation can inflate index size
> ------------------------------------------
>
> Key: IGNITE-13786
> URL: https://issues.apache.org/jira/browse/IGNITE-13786
> Project: Ignite
> Issue Type: Sub-task
> Reporter: Ivan Bessonov
> Assignee: Ivan Bessonov
> Priority: Major
> Fix For: 2.10
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> For huge caches it is possible that defragmentation will lead to bigger indexes size.
> The reason is that we only append new data to index trees and never insert into the middle, this leads to under-utilization of B+Tree pages space.
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