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17.4.1.24 Replication and Partitioning
Replication is supported between partitioned tables as long as they use the same partitioning scheme and otherwise have the same structure except where an exception is specifically allowed (see Section 17.4.1.9, “Replication with Differing Table Definitions on Master and Slave”).
Replication between tables having different partitioning is
generally not supported. This because statements (such as
ALTER
TABLE ... DROP PARTITION) acting directly on
partitions in such cases may produce different results on master
and slave. In the case where a table is partitioned on the
master but not on the slave, any statements operating on
partitions on the master's copy of the slave fail on the
slave. When the slave's copy of the table is partitioned
but the master's copy is not, statements acting on
partitions cannot be run on the master without causing errors
there.
Due to these dangers of causing replication to fail entirely (on account of failed statements) and of inconsistencies (when the result of a partition-level SQL statement produces different results on master and slave), we recommend that insure that the partitioning of any tables to be replicated from the master is matched by the slave's versions of these tables.
Document created the 26/06/2006, last modified the 26/10/2018
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