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


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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