Hi,
today i was investigating the build times of different versions of our
projects. What catched my eye is that the older version of a pretty large multi
module project has significantly faster build times than the newer one. The
older builds in 20 minutes while the newer takes about 1 hour, this is not
explainable by new code introduced.
What I found is that the ivy:report task takes extraordinary amounts of time.
It was never very fast but on some projects the report build time changed like
this:
Ivy version
2.2.0
2.3.0-rc1
Diff
Module 1
ivy:report time
00:00:21
00:06:18
+1800%
html report file size
42.19 MB
867.92 MB
+2057%
graphml report
513.55 KB
573.38 KB
+11%
dot report
83.60 KB
94.11 KB
+12%
Module 2
ivy:report time
00:01:29
00:20:43
+1396%
html report file size
129.58 MB
2.18 GB
+1682%
graphml report
370.96 KB
457.42 KB
+23%
dot report
61.17 KB
75.73 KB
+23%
The call looks like this:
<ivy:report conf="${fetch.configurations},build"
xml="true"
dot="true"
todir="${project.dir.build.ivy-reports}" />
We kept the reports building just in case something strange happens with the
dependencies and with Jenkins it never used to be a problem to wait some extra
minutes, but with these build times it s totaly over the top. Not to mention
that I don't know any browser that can display a html page of 2 GB in a
reasonable amount of time.
Are there some new features I'd miss in the release notes or should I open a
JIRA ticket for this?
kind regards
Daniel
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