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From "Guanghao Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13974) TestRateLimiter#testFixedIntervalResourceAvailability may fail
Date Fri, 26 Jun 2015 01:57:04 GMT
Guanghao Zhang created HBASE-13974:
--------------------------------------

             Summary: TestRateLimiter#testFixedIntervalResourceAvailability may fail
                 Key: HBASE-13974
                 URL: https://issues.apache.org/jira/browse/HBASE-13974
             Project: HBase
          Issue Type: Bug
          Components: test
    Affects Versions: 2.0.0
            Reporter: Guanghao Zhang
            Assignee: Guanghao Zhang


Stacktrace

java.lang.AssertionError: null
	at org.junit.Assert.fail(Assert.java:86)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.junit.Assert.assertFalse(Assert.java:64)
	at org.junit.Assert.assertFalse(Assert.java:74)
	at org.apache.hadoop.hbase.quotas.TestRateLimiter.testFixedIntervalResourceAvailability(TestRateLimiter.java:151)

The code of this ut.
{code}
     RateLimiter limiter = new FixedIntervalRateLimiter();
     limiter.set(10, TimeUnit.MILLISECONDS);
 
     assertTrue(limiter.canExecute(10));
     limiter.consume(3);
     assertEquals(7, limiter.getAvailable());
     assertFalse(limiter.canExecute(10));
{code}
The limiter will refill by MILLISECONDS. So if this unit test execute slowly or hang by others
over 1 ms, the assertFalse(limiter.canExecute(10)) will fail.



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