On 12/6/21, 4:54 AM, "Bharath Rupireddy" <bharath.rupireddyforpostg...@gmail.com> wrote: > The function PreallocXlogFiles doesn't get called during > end-of-recovery checkpoint in CreateCheckPoint, see [1]. The server > becomes operational after the end-of-recovery checkpoint and may need > WAL files. However, I'm not sure how beneficial it is going to be if > the WAL is pre-allocated (as PreallocXlogFiles just allocates only 1 > extra WAL file).
There is another thread for adding more effective WAL pre-allocation [0] that you might be interested in. Nathan [0] https://www.postgresql.org/message-id/flat/20201225200953.jjkrytlrzojbndh5%40alap3.anarazel.de
