At Wed, 17 Mar 2021 15:31:37 +0900 (JST), Kyotaro Horiguchi <horikyota....@gmail.com> wrote in > WAIT_EVENT_WAL_RECEIVER_MAIN(WalReceiverMain) is waiting for new data > to arrive. This looks like an activity to me. > > WAIT_EVENT_WAL_RECEIVER_WAIT_START is waiting for waiting for starup > process to kick me. So it may be either IPC or Activity. Since > walreceiver hasn't sent anything to startup, so it's activity, rather > than IPC. However, the behavior can be said that it convey a piece of > information from startup to wal receiver so it also can be said to be > an IPC. (That is the reason why I don't object for IPC.) > > 1(WAIT_EVENT_WAL_SENDER_MAIN, currently an activity) is waiting for > something to happen on the connection to the peer > receiver/worker. This might either be an activity or an wait_client, > but I prefer it to be wait_client, as the same behavior of a client > backend is categorizes as wait_client. > > 2 (WAIT_EVENT_WAL_SENDER_WRITE_DATA, currently a wait_client) is the > same to 1. > > 3 (WAIT_EVENT_WAL_SENDER_WAIT_WAL, currently a wait_client) is the > same to 1.
- As the result I'd prefer to categorize all of them to Activity. Year, I don't understand what I meant:( + As the result I'd prefer to categorize the first two to Activity, and + the last three to wait_client. regards. -- Kyotaro Horiguchi NTT Open Source Software Center