diff --git a/sql/rpl_parallel.cc b/sql/rpl_parallel.cc index 98712f18c1b..23f61a82a90 100644 --- a/sql/rpl_parallel.cc +++ b/sql/rpl_parallel.cc @@ -2614,7 +2614,6 @@ rpl_parallel::do_event(rpl_group_info *serial_rgi, Log_event *ev, /* Queue the event for processing. */ - rli->event_relay_log_pos= rli->future_event_relay_log_pos; qev->ir= rli->last_inuse_relaylog; ++qev->ir->queued_count; cur_thread->enqueue(qev); diff --git a/sql/slave.cc b/sql/slave.cc index e6a0ac086a8..65bcdc48c6a 100644 --- a/sql/slave.cc +++ b/sql/slave.cc @@ -3569,6 +3569,13 @@ static int exec_relay_log_event(THD* thd, Relay_log_info* rli, if (rli->mi->using_parallel()) { int res= rli->parallel.do_event(serial_rgi, ev, event_size); + /* + In parallel replication, we need to update the relay log position + immediately so that it will be the correct position from which to + read the next event. + */ + if (res == 0) + rli->event_relay_log_pos= rli->future_event_relay_log_pos; if (res >= 0) DBUG_RETURN(res); /*