Re: [tycho-user] Tycho build got slow

[Igor Fedorenko <igor@xxxxxxxxxxxxxx>]

We are tracking this problem as bug 356888 [1]. It would be helpful if
you could run your build under profiler and see where the time is spent.

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=356888

--
Regards,
Igor

On 11-09-25 2:34 AM, Christian Soltenborn wrote:
> Hi everybody,
>
> I'm noticing a performance change in my builds: I started using tycho
> with version 0.13.0.SNAPSHOT, and switching to 0.13.0 did not bring any
> performance changes as expected. Before, the tycho part of my build took
> 29mins overall (and I'm not sure whether this is already slow - I always
> felt it was, but didn't really care. My build consists of about 130
> Eclipse plug-ins and features and results in a p2 repository of about
> 21MB).
>
> However, with the build from 2011-9-24, 10am German time, my builds take
> much longer: The tycho part now takes 64mins, and the resolving alone
> takes 48mins (i.e., the part from starting maven up to the point where
> the Reactor Build Order is announced).
>
> I'm using an explicit target platform within my tycho build. I noticed
> that some eclipse plug-ins seemed to be downloaded for the first time in
> the build mentioned above (see  log output below). This doesn't happen
> any more now, but the build is still slow.
>
> As far as I know, Indigo SR1 is released these days. Is this what has
> been downloaded in the mentioned build? Might this be related?
>
> Let me know if you need more info about my build, and whether I should
> file a bug.
>
> Cheers,
> Christian
>
>
> Log output:
>
> [INFO] Resolving target platform for project MavenProject:
> de.upb.dmm:de.gupro.gxl:1.0.0-SNAPSHOT @ C:\Program Files
> (x86)\Jenkins\workspace\DMM-Tooling\de.gupro.gxl\pom.xml
> [INFO] Downloading org.eclipse.osgi
> [INFO] [INFO] Downloading org.eclipse.equinox.registry
> Downloading org.eclipse.equinox.preferences
> [INFO] Fetching download.php (0B of 1,24kB at 0B/s) from
> http://www.eclipse.org/downloads/download.php?file=/eclipse/updates/3.7/R-3.7.1-201109091335&format=xml&countryCode=de&timeZone=1&format=xml
> [INFO] Fetching download.php (1,75kB of 1,24kB at 0B/s) from
> http://www.eclipse.org/downloads/download.php?file=/eclipse/updates/3.7/R-3.7.1-201109091335&format=xml&countryCode=de&timeZone=1&format=xml
> [INFO] Fetching
> org.eclipse.equinox.registry_3.5.101.R37x_v20110810-1611.jar.pack.gz (0B
> of 66,67kB at 0B/s) from
> http://linorg.usp.br/eclipse/eclipse/updates/3.7/R-3.7.1-201109091335/plugins/
> [INFO] 1 operation remaining.
> [INFO] Fetching
> org.eclipse.equinox.registry_3.5.101.R37x_v20110810-1611.jar.pack.gz
> (2,62kB of 66,67kB at 0B/s) from
> http://linorg.usp.br/eclipse/eclipse/updates/3.7/R-3.7.1-201109091335/plugins/
> [INFO] Fetching
> org.eclipse.equinox.preferences_3.4.1.R37x_v20110725.jar.pack.gz (0B of
> 43,58kB at 0B/s) from
> http://linorg.usp.br/eclipse/eclipse/updates/3.7/R-3.7.1-201109091335/plugins/
> ...