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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-6410) Bulk data insert should fill new pages to minimize free-list overhead
Date Sat, 16 Sep 2017 08:19:03 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-6410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov updated IGNITE-6410:
------------------------------------
    Labels: iep-1 performance  (was: performance)

> Bulk data insert should fill new pages to minimize free-list overhead
> ---------------------------------------------------------------------
>
>                 Key: IGNITE-6410
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6410
>             Project: Ignite
>          Issue Type: Task
>          Components: persistence
>    Affects Versions: 2.1
>            Reporter: Vladimir Ozerov
>              Labels: iep-1, performance
>
> Currently every cache-put require the following:
> 1) Find the page with enough space
> 2) Remove it from free-list
> 3) Update the page
> 4) Return back to appropriate free-list
> When doing bulk data loading, we usually need to fill a lot of pages. To minimize free-list
overhead we can do the following:
> 1) Allocate new page
> 2) Fill it with as much entries as possible
> 3) Add it to appropriate free-list
> This could drastically improve free-list overhead and this improve loading performance.



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