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    • Task
    • Status: Stalled (View Workflow)
    • Minor
    • Resolution: Unresolved
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    Description

      We need to test to what extent replication from 5.6 to 10.0 works. That is what new replication features in 5.6 are understood by 10.0 and what aren't.

      These new replication features are at least:

      • New insert/update/delete row events (MDEV-5115)
      • event checksums (already in 5.2, backported from 5.6)
      • ignorable events (fixed as part of MDEV-4487)
      • global transaction id (ignored with MDEV-4487)

      the list above is not exhaustive.

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            The current status is that replication 5.6 => 10.0.9 works to some extent – if the master is not using non-default replication- modes or configuration, e.g. GTID, binlog_row_image and such.
            This replication path can be used as an upgrade mechanism, if during the upgrade window the master does not write into the binary log any new syntax not merged into 10.0.

            Related bugs can be found in "Issue links".

            elenst Elena Stepanova added a comment - The current status is that replication 5.6 => 10.0.9 works to some extent – if the master is not using non-default replication- modes or configuration, e.g. GTID, binlog_row_image and such. This replication path can be used as an upgrade mechanism, if during the upgrade window the master does not write into the binary log any new syntax not merged into 10.0. Related bugs can be found in "Issue links".

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              alice Alice Sherepa
              serg Sergei Golubchik
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