I am pretty sure somebody provided an example project that showed memory increase in Maven 3.2.x some time last year iirc. Could have been direct email, not 100% sure. From what I remember, the problem was triggered by specific way to reference parent pom, this is why only few projects are affected. Our performance regression test suite caught the problem too, but we never had time/resources to fix it.
Again, going by memory, there are several problems, each of which increases memory footprint, so the solution likely requires multiple changes in different parts of the core. Deduplication of inherited model elements, things like <dependency>, is the likely best long term solution, but it is also the most involved and will likely require changes to modello and the way models and constructed and used. http://www.mail-archive.com/dev%40maven.apache.org/msg102715.html -- Regards, Igor On Thu, Jul 23, 2015, at 02:47 PM, Kristian Rosenvold wrote: > You still do not have any publicly available project to reproduce this ? > > Every time you complain about this I have compared 3.0.5 and 3.3.3, > and every time I get the same result; 3.3.3 might have about 10% more > allocated objects overall when compared to 3.0.5. There is something > about your project that is "different" from the ones I am testing, and > I'd really need a test project to find out what. > > Kristian > > > 2015-07-23 15:58 GMT+02:00 Jörg Schaible <joerg.schai...@swisspost.com>: > > Jörg Schaible wrote: > > > >> Hi Anton, > >> > >> Anton Tanasenko wrote: > >> > >>> Hi Jörg, > >>> > >>> The error message you posted says that java is unable to allocate 500mb > >>> of heap. The machine you were running it on didn't have that much > >>> available at the time. > >> > >> If you think it is normal that I have to close Eclipse just to call "mvn > >> validate" ... however, even if that command succeeds, we have: > >> > >> ============== %< =============== > >> [INFO] Total time: 01:01 min > >> [INFO] Finished at: 2015-07-23T15:26:32+02:00 > >> [INFO] Final Memory: 2056M/3641M > >> ============== %< =============== > >> > >> compared to > >> > >> ============== %< =============== > >> [INFO] Total time: 17.512s > >> [INFO] Finished at: Thu Jul 23 15:46:39 CEST 2015 > >> [INFO] Final Memory: 365M/1063M > >> ============== %< =============== > >> > >> with M305 for the same project tree. > > > > > > and M335 is slightly worse than M333: > > > > ============== %< =============== > > [INFO] Total time: 01:37 min > > [INFO] Finished at: 2015-07-23T15:55:43+02:00 > > [INFO] Final Memory: 2050M/3480M > > ============== %< =============== > > > > Cheers, > > Jörg > > > >> > >> Cheers, > >> Jörg > >> > >>> > >>> 2015-07-23 15:47 GMT+03:00 Jörg Schaible <joerg.schai...@swisspost.com>: > >>> > >>>> Hi folks, > >>>> > >>>> M335 needs even more memory (see also > >>>> http://thread.gmane.org/gmane.comp.jakarta.turbine.maven.devel/116287). > > > > [snip] > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org > > For additional commands, e-mail: dev-h...@maven.apache.org > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org > For additional commands, e-mail: dev-h...@maven.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org For additional commands, e-mail: dev-h...@maven.apache.org
