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Re: [m2e-users] M2e 1.1 performance VS m2eclipse 0.12

Hi Igor,

I wonder if it is safe to run maven build in multi-threads? Say I have 20 projects in my workspace, I want to run the felix maven plugin, which scans pom.xml and class files to generate MANIFEST.MF, against eacn project in multi thread. Will it break M2E or maven?

I am trying to find all possible solutions to reduce the duration from importing projects till all build jobs finish.

Thanks,
Chandler
________________________________________
From: m2e-users-bounces@xxxxxxxxxxx [m2e-users-bounces@xxxxxxxxxxx] on behalf of Zhang, Xueqian [xueqzhang@xxxxxxxx]
Sent: Wednesday, September 19, 2012 11:39 PM
To: Maven Integration for Eclipse users mailing list
Subject: Re: [m2e-users] M2e 1.1 performance VS m2eclipse 0.12

My team develops tools which is based on eclipse/m2e for the developers of our company. All projects are maven projects. What kind of information do you expect?

Is there any common rules to do the performance tuning?

Thanks,
Chandler

-----Original Message-----
From: m2e-users-bounces@xxxxxxxxxxx [mailto:m2e-users-bounces@xxxxxxxxxxx] On Behalf Of Igor Fedorenko
Sent: Wednesday, September 19, 2012 10:02 PM
To: m2e-users@xxxxxxxxxxx
Subject: Re: [m2e-users] M2e 1.1 performance VS m2eclipse 0.12

Performance difference can be due to any number of reasons. I can't suggest much without having specific project I look at.

--
Regards,
Igor

On 12-09-19 9:27 AM, Zhang, Xueqian wrote:
> Hi Igor,
>
> Currently I don't have a project for you. I tested on a real project
> of our company which contains 21 maven projects. I want to point out
> that we did some customization in m2eclipse 0.12. Instead of using the
> default maven goals, we specified the goals we wanted to be executed
> after import into workspace. We did the similar thing in M2E
> 1.1 by providing our own m2e connectors.
>
> What I observed is that "ProjectRegistryRefreshJob" took longer time
> than 0.12. I did not compare the duration of MavenBuilder.build.
> However MavenBuilder.build method took more time to refresh maven
> projects which did not usually happen in m2eclipse 0.12.  For example,
> MavenBuilder.build took 10 seconds to build a project, while all mojo
> execution only took 8 seconds.
>
> Is there anyway I can to do optimize the performance?
>
> Thanks, Chandler >
> -----Original Message-----
> From: m2e-users-bounces@xxxxxxxxxxx
> [mailto:m2e-users-bounces@xxxxxxxxxxx] On Behalf Of Igor Fedorenko
> Sent: Wednesday, September 19, 2012 6:35 PM
> To: m2e-users@xxxxxxxxxxx
> Subject: Re: [m2e-users] M2e 1.1 performance VS m2eclipse 0.12
>
> m2e 1.x+ performance is expected to be comparable or faster compared
> to 0.12, at least of conventional hardware. Can you provide a small
> standalone project that shows noticeable performance difference
> between
> 0.12 and soon to be release 1.2?
>
> --
> Regards,
> Igor
>
> On 12-09-19 6:02 AM, Zhang, Xueqian wrote:
>> Hi,
>>
>> We just upgraded our eclipse from Helios to Juno, we also upgrade our
>> m2eclipse from 0.12 to 1.1. However, I found that it takes longer
>> time from import project until build complete.  I profiled my
>> eclipse, and found that Update Maven Dependencies job takes longer
>> time. Is this a supposed action?
>>
>> Also the "Update Maven Dependency" job tries to write
>> m2e--lastUpdated.properties in my local maven repo. I think that's
>> one reason that causes the performance drawback. Can I disable it?
>>
>> Thanks,
>> Chandler
>>
>>
>> _______________________________________________
>> m2e-users mailing list
>> m2e-users@xxxxxxxxxxx
>> https://dev.eclipse.org/mailman/listinfo/m2e-users
>>
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