[HAMA-729] OOM in TestMessages

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 0.6.1
• Assignee: Edward J. Yoon
• Reporter: Edward J. Yoon
• Created: 05/Feb/13 06:07
• Updated: 05/Feb/13 23:27
• Resolved: 05/Feb/13 06:24

Description

int dataSize = (int) (Runtime.getRuntime().maxMemory() * 0.20);

This always throws OOM exception on my high-end machine.

  <testcase time="0.001" classname="org.apache.hama.bsp.TestMessages" name="testByteMessage">
    <error message="Requested array size exceeds VM limit" type="java.lang.OutOfMemoryError">java.lang.OutOfMemoryError: Requested array size exceeds VM limit
        at org.apache.hama.bsp.TestMessages.testByteMessage(TestMessages.java:29)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at junit.framework.TestCase.runTest(TestCase.java:168)
        at junit.framework.TestCase.runBare(TestCase.java:134)
        at junit.framework.TestResult$1.protect(TestResult.java:110)
        at junit.framework.TestResult.runProtected(TestResult.java:128)
        at junit.framework.TestResult.run(TestResult.java:113)
        at junit.framework.TestCase.run(TestCase.java:124)
        at junit.framework.TestSuite.runTest(TestSuite.java:232)
        at junit.framework.TestSuite.run(TestSuite.java:227)
        at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)