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  1. MariaDB Connector/J
  2. CONJ-30

Performance degradation caused by excessive select and set autocommit queries

    Details

    • Type: Task
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 1.1.0, 1.1.1
    • Fix Version/s: 1.1.2
    • Component/s: None
    • Labels:
    • Environment:
      MariaDB Java Client connecting to MySQL Community Server through Hibernate persistence layer.

      Description

      We noticed some performance degradation in our product when we replaced the MySQL Connector/J client with MariaDB Java client and were able to trace the performance decrease back to the large number of 'get @@autocommit' and 'set autocommit' queries sent to the database.

      Instead of sending these queries to the databse each time getAutocommit() and setAutocommit() are called, the autocommit value may be cached on a per connection basis to improve performance.

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              • Assignee:
                wlad Vladislav Vaintroub
                Reporter:
                mraeholling Marissa Hollingsworth
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                Dates

                • Created:
                  Updated:
                  Resolved:

                  Time Tracking

                  Estimated:
                  Original Estimate - 2 days
                  2d
                  Remaining:
                  Time Spent - 3 hours Remaining Estimate - 1 day, 5 hours
                  1d 5h
                  Logged:
                  Time Spent - 3 hours Remaining Estimate - 1 day, 5 hours
                  3h