Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-29371

Rowid Filtering optimization can cause slowdowns

    XMLWordPrintable

Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.5, 10.6, 10.7(EOL), 10.8(EOL)
    • 10.5, 10.6
    • Optimizer
    • None

    Description

      Rowid Filtering Optimization can cause a slowdown. Will extract a testcase and provide it here.

      A related task (with a patch!) : MDEV-26301.

      Attachments

        Issue Links

          is caused by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-26301 Split optimization refills temporary table too many times

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-33875 ORDER BY DESC causes ROWID Filter optimization performance degradation

          • Major - Major loss of function.
          • Closed

          Activity

            People

              psergei Sergei Petrunia
              psergei Sergei Petrunia
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:

                Git Integration

                  Error rendering 'com.xiplink.jira.git.jira_git_plugin:git-issue-webpanel'. Please contact your Jira administrators.