[Koha-bugs] [Bug 19819] New: C4::Context->dbh is unreasonably slow

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19819

            Bug ID: 19819
           Summary: C4::Context->dbh is unreasonably slow
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Architecture, internals, and plumbing
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: glasklas at gmail.com
        QA Contact: testopia at bugs.koha-community.org

I have been profiling Koha the last day or so to try to fix some bottlenecks
increasing performance of bulk-processing of data. Discovered that
C4::Context->dbh was unexpectedly slow (Koha::Database->schema->storage->dbh is
the culprit). If it is safe to do so, performance can be greatly improved by
locally caching $dbh in a state variable. Patch will be provided shortly.

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