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MySQL 5.7 Reference Manual  /  ...  /  NDB Cluster Replication: Abbreviations and Symbols

21.6.1 NDB Cluster Replication: Abbreviations and Symbols

Throughout this section, we use the following abbreviations or symbols for referring to the master and slave clusters, and to processes and commands run on the clusters or cluster nodes:

Table 21.410 Abbreviations used throughout this section referring to master and slave clusters, and to processes and commands run on nodes

Symbol or Abbreviation Description (Refers to...)
M The cluster serving as the (primary) replication master
S The cluster acting as the (primary) replication slave
shellM> Shell command to be issued on the master cluster
mysqlM> MySQL client command issued on a single MySQL server running as an SQL node on the master cluster
mysqlM*> MySQL client command to be issued on all SQL nodes participating in the replication master cluster
shellS> Shell command to be issued on the slave cluster
mysqlS> MySQL client command issued on a single MySQL server running as an SQL node on the slave cluster
mysqlS*> MySQL client command to be issued on all SQL nodes participating in the replication slave cluster
C Primary replication channel
C' Secondary replication channel
M' Secondary replication master
S' Secondary replication slave


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