On 3/1/17 19:54, Kyotaro HORIGUCHI wrote:
>> Please measure it in size, not in number of segments.
> It was difficult to dicide which is reaaonable but I named it
> after wal_keep_segments because it has the similar effect.
>
> In bytes(or LSN)
> max_wal_size
> min_wal_size
> wal_write_flush_after
>
> In segments
> wal_keep_segments
We have been moving away from measuring in segments. For example,
checkpoint_segments was replaced by max_wal_size.
Also, with the proposed patch that allows changing the segment size more
easily, this will become more important. (I wonder if that will require
wal_keep_segments to change somehow.)
--
Peter Eisentraut http://www.2ndQuadrant.com/
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