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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1414) increase maxmemory for unit tests
Date Wed, 08 Oct 2008 14:23:44 GMT
increase maxmemory for unit tests
---------------------------------

                 Key: LUCENE-1414
                 URL: https://issues.apache.org/jira/browse/LUCENE-1414
             Project: Lucene - Java
          Issue Type: Bug
          Components: Build
    Affects Versions: 2.4, 2.9
            Reporter: Michael McCandless
            Assignee: Michael McCandless
            Priority: Minor
             Fix For: 2.9


We have some unit tests that require a fair amount of RAM.  But, sometimes the JRE does not
give itself a very large max heap size, by default.  EG on a Mac Pro with 6 GB physical RAM,
I see JRE 1.6.0 defaulting to max 80 GB and it always then hits this exception during testing:

    [junit] Testcase: testHugeFile(org.apache.lucene.store.TestHugeRamFile):	Caused an ERROR
    [junit] Java heap space
    [junit] java.lang.OutOfMemoryError: Java heap space
    [junit] 	at java.util.Arrays.copyOf(Arrays.java:2760)
    [junit] 	at java.util.Arrays.copyOf(Arrays.java:2734)
    [junit] 	at java.util.ArrayList.ensureCapacity(ArrayList.java:167)
    [junit] 	at java.util.ArrayList.add(ArrayList.java:351)
    [junit] 	at org.apache.lucene.store.RAMFile.addBuffer(RAMFile.java:69)
    [junit] 	at org.apache.lucene.store.RAMOutputStream.switchCurrentBuffer(RAMOutputStream.java:129)
    [junit] 	at org.apache.lucene.store.RAMOutputStream.writeBytes(RAMOutputStream.java:115)
    [junit] 	at org.apache.lucene.store.TestHugeRamFile.testHugeFile(TestHugeRamFile.java:68)

The fix is simple: add maxmemory=512M into common-build.xml.  I'll commit shortly.

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