What I'm starting to notice on this end is that it uses a bit more
memory - probably in the middle of the build - than 2.0.9. This is
evident in the max VM size at the end of the build, more than the final
memory consumption. It seems that leaving the maven build at the default
64M VM size, it takes a long time to build. I think having a smaller max
VM size may be causing it to thrash the GC, but that's just a guess.
I had attributed this memory increase to the change in the assembly
plugin version, but maybe it has more to do with the changes to the
lifecycle executor to fix detection of reactorProject/session parameter
usage (which is used to determine whether Maven really needs to
calculate the concrete state for each project in the reactor for that
plugin's execution).
I'll take a closer look; is the CXF build where this number comes from?
-john
Daniel Kulp wrote:
John,
The performance issue is back:
For CXF/tunk:
mvn install -Pdeploy,everything,nochecks
2.0.9:
Total time: 8 minutes 35 seconds
2.0.10-RC9:
Total time: 19 minutes
Dan
On Monday 18 August 2008 2:48:36 pm John Casey wrote:
Hi everyone,
As you're probably aware, we've been working for some time to stabilize
Maven for the 2.0.10 release. After quite a bit of testing in the
development community - and 8 release candidates - it looks like we
finally have a candidate that is free of regressions and stable. You can
download it here:
http://people.apache.org/~jdcasey/apache-maven/2.0.10-RC9/org/apache/maven/
apache-maven/2.0.10-RC9
While it does seem that all of our builds are happy with the new release
candidate, we'd like to get your feedback on it before we finalize
things. This will help us respond to any regressions or critical issues
we may have missed BEFORE we do the release, instead of having to put up
with major flaws for another release cycle.
Please, if you have the time, take 2.0.10-RC9 for a spin and tell us
what you think!
Thanks,
-john
P.S. To see the list of issues that were closed for this release (so
far), check out:
http://jira.codehaus.org/secure/ReleaseNote.jspa?projectId=10500&styleName=
Html&version=14112
--
John Casey
Developer, PMC Member - Apache Maven (http://maven.apache.org)
Blog: http://www.ejlife.net/blogs/buildchimp/
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