Dear Hou, > I think PARALLEL_APPLY_MAIN waits for two kinds of event: 1) wait for new > message from the queue 2) wait for the partial file state to be set. So, I > think introducing a new general event for them is better and it is also > consistent with the WAIT_EVENT_LOGICAL_APPLY_MAIN which is used in the > main > loop of leader apply worker(LogicalRepApplyLoop). But the event in > pg_send_data() is only for message send, so it seems fine to use > WAIT_EVENT_MQ_SEND, besides MQ_SEND is also unique in parallel apply > worker and > user can distinglish without adding new event.
Thank you for your explanation. I think both of you said are reasonable. Best Regards, Hayato Kuroda FUJITSU LIMITED
