[Koha-bugs] [Bug 27584] New: Improve OAI-PMH provider performance

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=27584

            Bug ID: 27584
           Summary: Improve OAI-PMH provider performance
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Web services
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: ere.maijala at helsinki.fi
        QA Contact: testopia at bugs.koha-community.org

Currently Koha's OAI-PMH provider is using LIMIT and OFFSET to return a chunk
of records for each request. While it works relatively well for a small to
medium database, it gets prohibitely expensive for a large database especially
when items are included and there are a lot of them.

I believe this can be improved by using biblionumber for choosing the starting
point of the chunk. Patch coming up soon.

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