build should set flag or detect conditions to avoid deplicating work
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Key: HIVE-1177
URL: https://issues.apache.org/jira/browse/HIVE-1177
Project: Hadoop Hive
Issue Type: Improvement
Components: Build Infrastructure
Reporter: Edward Capriolo
Priority: Minor
I made an ant target quick-test, which differs from test in that it
has no dependencies.
<target name="quick-test">
<iterate target="test"/>
</target>
<target name="test" depends="clean-test,jar">
<iterate target="test"/>
<iterate-cpp target="test"/>
</target>
time ant -Dhadoop.version='0.18.3' -Doffline=true
-Dtestcase=TestCliDriver -Dqfile=alter1.q quick-test
BUILD SUCCESSFUL
Total time: 15 seconds
real 0m16.250s
user 0m20.965s
sys 0m1.579s
time ant -Dhadoop.version='0.18.3' -Doffline=true
-Dtestcase=TestCliDriver -Dqfile=alter1.q test
BUILD SUCCESSFUL
Total time: 26 seconds
real 0m26.564s
user 0m31.307s
sys 0m2.346s
Some makefiles set flags files like "make.ok", that allow the build process to
intelligently skip steps that are already done. Currently, a target like test
has no way of determining state and will re-issue dependent targets like
clean-test,jar (and there dependents).
Suggestion:
Hive should set flags or intelligently determine the state of the build and
save cpu development time. Targets should not re-execute unless a clean is
explicitly given.
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