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https://issues.apache.org/jira/browse/LUCENE-1709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854960#action_12854960
]
Tom Burton-West commented on LUCENE-1709:
-----------------------------------------
This may or may not be a clue to the problem in benchmark. When I control-C'd
the hung test, I got the error reported below.
Tom.
[junit] directory = RAMDirectory
[junit] doc.maker =
org.apache.lucene.benchmark.byTask.tasks.WriteLineDocTaskTest$JustDateDocMaker
[junit] line.file.out =
C:\cygwin\home\tburtonw\lucene\april07_good\build\contrib\benchmark\test\W\one-line
[junit] -------------------------------
[junit] ------------- ---------------- ---------------
[junit] java.io.FileNotFoundException:
C:\cygwin\home\tburtonw\lucene\april07_good\contrib\benchmark\junitvmwatcher203463231158436475.properties
(The process cannot access the file because it is being used by another
process)
[junit] at java.io.FileInputStream.open(Native Method)
[junit] at java.io.FileInputStream.<init>(FileInputStream.java:106)
[junit] at java.io.FileReader.<init>(FileReader.java:55)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.executeAsForked(JUnitTask.java:1025)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.execute(JUnitTask.java:876)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.execute(JUnitTask.java:803)
[junit] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[junit] at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
[junit] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[junit] at java.lang.reflect.Method.invoke(Method.java:597)
[junit] at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[junit] at org.apache.tools.ant.Task.perform(Task.java:348)
[junit] at
org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:62)
[junit] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[junit] at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
[junit] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[junit] at java.lang.reflect.Method.invoke(Method.java:597)
[junit] at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[junit] at org.apache.tools.ant.Task.perform(Task.java:348)
[junit] at
org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:394)
[junit] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
[junit] at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
[junit] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[junit] at java.lang.reflect.Method.invoke(Method.java:597)
[junit] at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[junit] at org.apache.tools.ant.Task.perform(Task.java:348)
[junit] at
org.apache.tools.ant.taskdefs.Parallel$TaskRunnable.run(Parallel.java:428)
[junit] at java.lang.Thread.run(Thread.java:619)
> Parallelize Tests
> -----------------
>
> Key: LUCENE-1709
> URL: https://issues.apache.org/jira/browse/LUCENE-1709
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.4.1
> Reporter: Jason Rutherglen
> Assignee: Robert Muir
> Fix For: 3.1
>
> Attachments: LUCENE-1709-2.patch, LUCENE-1709.patch,
> LUCENE-1709.patch, LUCENE-1709.patch, LUCENE-1709.patch, LUCENE-1709.patch,
> LUCENE-1709.patch, runLuceneTests.py
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> The Lucene tests can be parallelized to make for a faster testing system.
> This task from ANT can be used:
> http://ant.apache.org/manual/CoreTasks/parallel.html
> Previous discussion:
> http://www.gossamer-threads.com/lists/lucene/java-dev/69669
> Notes from Mike M.:
> {quote}
> I'd love to see a clean solution here (the tests are embarrassingly
> parallelizable, and we all have machines with good concurrency these
> days)... I have a rather hacked up solution now, that uses
> "-Dtestpackage=XXX" to split the tests up.
> Ideally I would be able to say "use N threads" and it'd do the right
> thing... like the -j flag to make.
> {quote}
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