Thanks Erik, I have updated our scripts with this flag. Cheers, Mani
On Wed, 19 Apr 2017 at 10:29 Erik Joelsson <erik.joels...@oracle.com> wrote: > If you want to do the override at configure time, the correct configure > parameter is --with-jobs=4. The --with-num-cores isn't all that useful > except for easier testing of the logic for calculating the default > number of jobs (which is why I left it there). > > The default limitation of jobs based on memory is rather conservative (1 > job per 1024MB IIRC). We don't like to assume that building is the only > thing the system ever does. Also most of the build tasks aren't that > memory hungry, but some are. I recommend you try manually increasing > jobs until you find your optimal level of concurrency for the types of > builds you do. > > /Erik > > > On 2017-04-19 11:07, Ioi Lam wrote: > > If you really want, you can override the settings with > > > > make JOBS=4 images > > > > Of course, YMMV due to the low amount of memory. > > > > Ioi > > > >> Mani Sarkar <sadhak...@gmail.com> 於 2017年4月19日 下午4:07 寫道： > >> > >> Thanks Andrew for clarifying. > >> > >>> On Wed, 19 Apr 2017 at 08:56 Andrew Haley <a...@redhat.com> wrote: > >>> > >>>> On 19/04/17 08:42, Mani Sarkar wrote: > >>>> Whilst build OpenJDK (latest version from > >>>> http://hg.openjdk.java.net/jdk8u/jdk8u/), we have noticed, that the > >>> build > >>>> system does not make use of all the CPU cores available on the machine > >>> even > >>>> though it detects them all. > >>> It's because you have almost no memory installed. If you want to > >>> override the number of cores to use you can do so manually, but the > >>> idea is to prevent you from running out of memory during the build. > >>> It's deliberate, not a bug. > >>> > >>> Andrew. > >>> > >>> -- > >> @theNeomatrix369 <http://twitter.com/theNeomatrix369>* | **Blog > >> <http://neomatrix369.wordpress.com/>** | *LJC Associate & LJC > Advocate > >> (@adoptopenjdk & @adoptajsr programs) > >> *Meet-a-Project - *MutabilityDetector > >> <https://github.com/MutabilityDetector>* | **Bitbucket > >> <https://bitbucket.org/neomatrix369>* * | **Github > >> <https://github.com/neomatrix369>* * | **LinkedIn > >> <http://uk.linkedin.com/pub/mani-sarkar/71/a77/39b>* > >> *Come to Devoxx UK 2017:* http://www.devoxx.co.uk/ > >> > >> *Don't chase success, rather aim for "Excellence", and success will come > >> chasing after you!* > > -- @theNeomatrix369 <http://twitter.com/theNeomatrix369>* | **Blog <http://neomatrix369.wordpress.com/>** | *LJC Associate & LJC Advocate (@adoptopenjdk & @adoptajsr programs) *Meet-a-Project - *MutabilityDetector <https://github.com/MutabilityDetector>* | **Bitbucket <https://bitbucket.org/neomatrix369>* * | **Github <https://github.com/neomatrix369>* * | **LinkedIn <http://uk.linkedin.com/pub/mani-sarkar/71/a77/39b>* *Come to Devoxx UK 2017:* http://www.devoxx.co.uk/ *Don't chase success, rather aim for "Excellence", and success will come chasing after you!*
