Yes, Denis you are right max size can be higher than 80%. There just should be enough memory for OS needs + JVM heap and perm (or meta) space.
On Tue, Jul 18, 2017 at 7:17 PM, Denis Magda <[email protected]> wrote: > Andrey, > > On Jul 18, 2017, at 8:37 AM, Andrey Mashenkov <[email protected]> > wrote: > > By default, memory region max size is about 80% of total RAM. You are > limited only with you RAM size, but it is not recommended to set higher > than default. > > > > > Why is it not recommended to take more than 80% space? What’s wrong if > want to consume 90% or 95% of RAM? For instance, if if have 500 GB then 450 > GB - 475 GB can be given to Ignite while 50 GB - 25 GB will be left for OS > needs. > > — > Denis > -- Best regards, Andrey V. Mashenkov
