On Tue, Jun 2, 2020 at 11:42:01PM +0300, Pavel Luzanov wrote: > Hello, > > On 02.06.2020 22:35, Bruce Momjian wrote: > > On Thu, May 28, 2020 at 12:21:14PM +0300, p.luza...@postgrespro.ru wrote: > > > WAL |-----------|-----+-----|-----+-----|-----+-----> > > > > > > a b c > > > CP +-----+ +-----+ +-----+ > > > b e b e b e > > > > > > Checkpointer process for point A starts at a(b) and ends at a(e). > > > At the end of the work, CP makes a WAL record(plus symbol on WAL line). > > > > > > Back to the max_wal_size description: > > > "Maximum size to let the WAL grow to between automatic WAL checkpoints." > > > > > > As I understand now, this is true when we talk about the checkpoint as a > > > process. > > > "Maximum size to let the WAL grow to between a(b) and b(e), between b(b) > > > and c > > > (e), etc". > > What if we say: > > > > "Maximum size to let the WAL grow during automatic WAL checkpoints." > > > > That highlights the "process" part. > > > Really, "during" is associated with the process, while "between" with > points. > > If there is no objection, simple patch attached.
Applied to all supported versions, thanks. -- Bruce Momjian <br...@momjian.us> https://momjian.us EnterpriseDB https://enterprisedb.com The usefulness of a cup is in its emptiness, Bruce Lee
