[GENERAL] wal receiver process always start after startup process recovering all WALs and need new WAL?

I ask this problem because I meet twice recently that the wal receiver process do not start after a long time. first time: I change recovery_min_apply_delay from default to 3d on a standby，the standby start but there is no receiver process，and on the master，pg_stat_replication show nothing.After

Re: [GENERAL] wal receiver process always start after startup process recovering all WALs and need new WAL?

On 12/15/15 2:49 AM, Jov wrote: I think this behavior for recovery_min_apply_delay is not good，because if the receiver do not fetch the wal for a long time(in these cases it must replay 3d's wal before wal receiver start)，the master will delete the wal，and the standby will need be re do.