> On Jun 11, 2017, at 10:50 AM, pinker <pinker@onet.eu> wrote: > > Andrew Kerber wrote >> I can't give you an absolutely authoritative answer, but because of the >> way hugepages are implemented and allocated, I can't think how they could >> be used for other processes. Linux hugepages are either 2m or 1g, far too >> large for any likely processes to require. They cannot be allocated in >> partial pages. > > thank you for your help. > My system is using 2MB pages for shared buffers. I have checked and one of > my processes has used 606788kB of memory, so potentially could use ~ 300 > huge pages, but does postgres can use it for non shared memory? > > > > > -- > View this message in context: http://www.postgresql-archive.org/Huge-Pages-setting-the-right-value-tp5952972p5965963.html > Sent from the PostgreSQL - general mailing list archive at Nabble.com. > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general
In my case, we had the HugePages enabled but not configured in our Master DB Server. When we increased the server resources (More RAM & CPU) we had lots of issues with HugePages. Specially I/O ones. Had to disabled it.
Running Ubuntu 14.04 Server @ Amazon.
Lucas
--
Andrew W. Kerber
'If at first you dont succeed, dont take up skydiving.'
