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  1. MariaDB Server
  2. MDEV-7258

Read free replication for TokuDB

Details

    Description

      Read free replication avoids unnecessary row reads on the replication slave when executing write, update, or delete events. This can significantly increase the throughput of a replication slave that was previously I/O bound.

      The feature is described here:
      https://github.com/Tokutek/tokudb-engine/wiki/Read-Free-Replication-with-TokuDB

      The benefit is described here:
      http://www.tokutek.com/2014/09/tokudb-v7-5-read-free-replication-the-benchmark/

      A patch for MariaDB 10.0.15:
      https://github.com/Tokutek/mariadb-10.0/commit/9992195def7e739b4034902b478ee1b448b0e21a

      Attachments

        Issue Links

          relates to

          Task - A task that needs to be done. MDEV-10976 Port MyRocks' Read Free Replication to MariaRocks

          • Major - Major loss of function.
          • Open
          links to

          Web Link GitHub Pull Request #213

          Activity

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            View 4 older comments
            prohaska7 Rich Prohaska added a comment -

            I added comments to the code on my 10.0-rfr branch. See https://github.com/Tokutek/mariadb-server/commit/0e5f4a2bd740502814bdfc652bdd3d4ec08112ef

            prohaska7 Rich Prohaska added a comment - I added comments to the code on my 10.0-rfr branch. See https://github.com/Tokutek/mariadb-server/commit/0e5f4a2bd740502814bdfc652bdd3d4ec08112ef
            joce jocelyn fournier added a comment -

            Hi Sergei,

            Any update on this one ? It's quite disturbing to have the variable available in MariaDB, but no effect in practice!

            Thanks,
            Jocelyn

            joce jocelyn fournier added a comment - Hi Sergei, Any update on this one ? It's quite disturbing to have the variable available in MariaDB, but no effect in practice! Thanks, Jocelyn
            serg Sergei Golubchik added a comment -

            No, unfortunately, not yet. I'll raise the priority of this task

            serg Sergei Golubchik added a comment - No, unfortunately, not yet. I'll raise the priority of this task
            prohaska7 Rich Prohaska added a comment -

            Updated the RFR patch for MariaDB 10.1. Running basic tests on this branch: https://github.com/prohaska7/mariadb-server/tree/mdev-7258

            prohaska7 Rich Prohaska added a comment - Updated the RFR patch for MariaDB 10.1. Running basic tests on this branch: https://github.com/prohaska7/mariadb-server/tree/mdev-7258
            joce jocelyn fournier added a comment -

            The 2016-10-13 sprint seems to be quite late

            joce jocelyn fournier added a comment - The 2016-10-13 sprint seems to be quite late

            People

              serg Sergei Golubchik
              prohaska7 Rich Prohaska
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              Dates

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                Updated:
                Resolved:

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