On Fri, Oct 26, 2018 at 9:12 AM Thomas Kellerer <spam_ea...@gmx.net> wrote:
> I have a Postgres instance running on my Windows laptop for testing > purposes. > > I typically configure "shared_buffers = 4096MB" on my 16GB system as > sometimes when testing, it pays off to have a bigger cache. > > With Postgres 10 and earlier, the Postgres process(es) would only allocate > that memory from the operating system when needed. > So right after startup, it would only consume several hundred MB, not the > entire 4GB > > However with Postgres 11 I noticed that it immediately grabs the complete > memory configured for shared_buffers during startup. > > It's not really a big deal, but I wonder if that is an intentional change > or a result from something else? > Do you have pg_prewarm in shared_preload_libraries? Cheers, Jeff
