From: pgsql-hackers-ow...@postgresql.org > [mailto:pgsql-hackers-ow...@postgresql.org] On Behalf Of Ashutosh Sharma > To start with, I ran the regression test-suite and didn't find any failures. > But, then I am not sure if huge_pages are getting used or not. However, > upon checking the settings for huge_pages and I found it as 'on'. I am > assuming, if huge pages is not being used due to shortage of large pages, > it should have fallen back to non-huge pages.
You are right, the server falls back to non-huge pages when the large pages run short. > I also ran the pgbench tests on read-only workload and here are the results > I got. > > pgbench -c 4 -j 4 - T 600 bench > > huge_pages=on, TPS = 21120.768085 > huge_pages=off, TPS = 20606.288995 Thanks. It's about 2% improvement, which is the same as what I got. From: Thomas Munro [mailto:thomas.mu...@enterprisedb.com] > The line beginning 'Huge pages are known as...' has been accidentally > duplicated. Oops, how careless I was. Fixed. As Ashutosh referred, I added a very simple suggestion to use Windows Group Policy tool. Regards Takayuki Tsunakawa
win_large_pages_v9.patch
Description: win_large_pages_v9.patch
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