[HBASE-9315] TestLruBlockCache.testBackgroundEvictionThread fails on suse

• Type: Test
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.95.2
• Fix Version/s: 0.98.0, 0.96.0
• Hadoop Flags: Reviewed
• Assignee: Nick Dimiduk
• Reporter: Nick Dimiduk
• Created: 23/Aug/13 00:17
• Updated: 20/Nov/15 11:52
• Resolved: 27/Aug/13 16:36

Description

One of our build machines is consistently having trouble with this test.

Error Message

expected:<2> but was:<1>

Stacktrace

java.lang.AssertionError: expected:<2> but was:<1>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:555)
	at org.junit.Assert.assertEquals(Assert.java:542)
	at org.apache.hadoop.hbase.io.hfile.TestLruBlockCache.testBackgroundEvictionThread(TestLruBlockCache.java:85)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.junit.runners.Suite.runChild(Suite.java:127)
	at org.junit.runners.Suite.runChild(Suite.java:26)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)

Standard Output

Background Evictions run: 2

Standard Error

2013-08-22 11:02:58,331 INFO  [pool-1-thread-1] hbase.ResourceChecker(147): before: io.hfile.TestLruBlockCache#testBackgroundEvictionThread Thread=35, OpenFileDescriptor=277, MaxFileDescriptor=95000, SystemLoadAverage=119, ProcessCount=75, AvailableMemoryMB=8884, ConnectionCount=1
2013-08-22 11:02:58,338 INFO  [pool-1-thread-1] hbase.ResourceChecker(171): after: io.hfile.TestLruBlockCache#testBackgroundEvictionThread Thread=36 (was 35) - Thread LEAK? -, OpenFileDescriptor=279 (was 277) - OpenFileDescriptor LEAK? -, MaxFileDescriptor=95000 (was 95000), SystemLoadAverage=119 (was 119), ProcessCount=75 (was 75), AvailableMemoryMB=8884 (was 8884), ConnectionCount=1 (was 1)
2013-08-22 11:07:58,331 DEBUG [LRU Statistics #0] hfile.LruBlockCache(728): Stats: total=87.01 KB, free=10.65 KB, max=97.66 KB, blocks=8, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions=2, evicted=2, evictedPerRun=1.0
2013-08-22 11:12:58,331 DEBUG [LRU Statistics #0] hfile.LruBlockCache(728): Stats: total=87.01 KB, free=10.65 KB, max=97.66 KB, blocks=8, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions=2, evicted=2, evictedPerRun=1.0
2013-08-22 11:17:58,331 DEBUG [LRU Statistics #0] hfile.LruBlockCache(728): Stats: total=87.01 KB, free=10.65 KB, max=97.66 KB, blocks=8, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions=2, evicted=2, evictedPerRun=1.0