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MXS-1845 Rewrite server promotion code

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In progress, does not yet overwrite existing code.

The new promotion mechanism automatically retries queries which timed out. It also
handles multimaster situations correctly.
This commit is contained in:
Esa Korhonen
2018-09-14 15:32:31 +03:00
parent c58041d4fb
commit dd9ff27743
7 changed files with 331 additions and 23 deletions
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2
server/modules/monitor/mariadbmon/cluster_manipulation.cc
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@ -1510,6 +1510,7 @@ unique_ptr<ClusterOperation> MariaDBMonitor::failover_prepare(Log log_mode, json
rval.reset(new ClusterOperation(OperationType::FAILOVER,
promotion_target, demotion_target,
demotion_target == m_master, m_handle_event_scheduler,
m_promote_sql_file, m_demote_sql_file,
error_out, time_limit));
}
}
@ -1851,6 +1852,7 @@ unique_ptr<ClusterOperation> MariaDBMonitor::switchover_prepare(SERVER* promotio
rval.reset(new ClusterOperation(op_type,
promotion_target, demotion_target,
demotion_target == m_master, m_handle_event_scheduler,
m_promote_sql_file, m_demote_sql_file,
error_out, time_limit));
}
return rval;