[
Date Prev][
Date Next][
Thread Prev][
Thread Next][
Date Index][
Thread Index]
[
List Home]
|
Re: [m2e-users] m2e memory usage
|
Igor Fedorenko <igor <at> ifedorenko.com> writes:
>
> If memory usage increases over time, this means you likely have a memory
> leak and your Eclipse will run out of memory sooner or later. I'd
> investigate this with a profiler first.
Hello Igor!
I profiled Eclipse with the JProfiler. I saw that there is a huge amount of
instances of org.sonatype.aether packages. Examples:
org.sonatype.aether.util.artifact.DefaultArtifact 320.936
org.sonatype.aether.graph.Dependency 319.204
org.sonatype.aether.graph.Exclusion 766.653
It seems to me that these counts are very high. Is the complete dependency
graph hold in every project although parts of the graph are the same for
several projects? Couldn't these instances be shared if they refer to the
same thing (artifact, dependency...) in maven?
Best regards
Björn
>
> I think m2e memory footprint can be optimized at the expanse of some
> performance loss. If you submit a quality patch backed by reasonably
> detailed analysis of before and after memory consumption and performance
> implications, I'd be willing to review it. But, quite frankly, 1G for an
> eclipse instance does not look terribly huge amount for RAM, given that
> 8G kit can be had for <50 bucks now.
>
> --
> Regards,
> Igor
>
> On 12-02-17 5:28 AM, Björn Weinbrenner wrote:
> > Igor Fedorenko<igor<at> ifedorenko.com> writes:
> >
> >>
> >> What m2e version do you use and how many workspace projects do you have?
> >>
> >> m2e 1.0 needs about 2M for each workspace project, so 500M seems like
> >> too much. I'd recommend using a profiler to see what uses all that memory.
> >>
> >> --
> >> Regards,
> >> Igor
> >>
> >> On 11-07-27 10:16 AM, Konrad Garus wrote:
> >>> I've been using m2e for a while and constantly fought problems with
> >>> memory. I decided to measure it and discovered that without m2e
> >>> Eclipse for my workspace needs about 500 MB, while with m2e it's
> >>> _twice_ as much. That's only after opening the workspace, before I
> >>> change any files or compile!
> >>>
> >>> What can I do to decrease memory impact of m2e? I don't care about
> >>> anything but build path& dependency management.
> >>>
> >>
> >
> > Hi!
> >
> > If you are right and each eclipse m2e project needs 2MB I may have a
problem.
> > Actually we have 167 (!) projects in the workspace. With mvn eclipse:eclipse
> > this is ok, eclipse needs about 450-500 MB (I looked up the usage with the
MS
> > Windows Taskmanager). With m2e eclipse uses more than 730 MB. In both cases
the
> > usage increases while working, thus with m2e eclipse needs something more
than 1
> > GB which is too much for our environment (local XP workstation with jboss,
db
> > tool, browser etc.).
> > Does it mean that m2e isn't recommended for such a big amount of projects?
> > Best regards
> > Björn
> >
> >
> > _______________________________________________
> > m2e-users mailing list
> > m2e-users <at> eclipse.org
> > https://dev.eclipse.org/mailman/listinfo/m2e-users
> _______________________________________________
> m2e-users mailing list
> m2e-users <at> eclipse.org
> https://dev.eclipse.org/mailman/listinfo/m2e-users
>
