On Fri, 03 Jul 2026 at 11:58, Fujii Masao <[email protected]> wrote: > On Wed, Jul 1, 2026 at 8:45 AM Michael Paquier <[email protected]> wrote: >> >> On Tue, Jun 30, 2026 at 06:25:09PM +0800, wenhui qiu wrote: >> > The recent PostgreSQL commit changes the default TOAST compression to lz4 >> > when LZ4 support is available, based on the rationale that LZ4 is generally >> > more efficient than pglz in terms of CPU usage and compression >> > ratio. Given that, should we also consider changing the default >> > compression method used by wal_compression = on from pglz to lz4? >> >> "on" is just a backward-compatible value, so we could let it as-is. > > Yes, so +1 to leaving "on" as it is. Making its meaning depend on > the build options seems very confusing. Users who want lz4 or zstd > can simply specify those methods explicitly instead of using "on". >
Understood. I'll withdraw this from the CommitFest. > Regards, > > -- > Fujii Masao -- Regards, Japin Li ChengDu WenWu Information Technology Co., Ltd.
