In most versions of Linux, the default hugepage size is 2m. Other Unix versions may have different hugepage sizes, e.g. AIX, but Linux defaults to 2m
Sent from my iPad > On Oct 21, 2016, at 11:43 AM, piotrwlodarczy...@gmail.com wrote: > > The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/9.6/static/kernel-resources.html > Description: > > Hi, > > it's a mistake in 18.4.4. Linux huge pages (also in 9.4 and 9.5 > documentation). Example how to count number f huge pages says: > > 6490428 / 2048 (PAGE_SIZE is 2MB in this case) are roughly 3169.154 huge > pages, so you will need at least 3170 huge pages: > > It's very rare that PAGE_SIZE is 2MB. It's more common situation that > the > value is 4096KB. But it's not a problem. > > The VmPeak should by divded not by PAGE_SIZE but by Hugepagesize listed by > cat /proc/meminfo | grep Hugepagesize. > > > > -- > Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-docs -- Sent via pgsql-docs mailing list (pgsql-docs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-docs
