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https://issues.apache.org/jira/browse/HBASE-4330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100971#comment-13100971
]
Ted Yu commented on HBASE-4330:
-------------------------------
We're getting close.
The three tests passed on Linux.
But on MacBook:
{code}
testCacheMultiThreadedEviction(org.apache.hadoop.hbase.io.hfile.slab.TestSlabCache)
Time elapsed: 44.652 sec <<< ERROR!
java.lang.RuntimeException: Deferred
at
org.apache.hadoop.hbase.MultithreadedTestUtil$TestContext.checkException(MultithreadedTestUtil.java:76)
at
org.apache.hadoop.hbase.MultithreadedTestUtil$TestContext.stop(MultithreadedTestUtil.java:97)
at
org.apache.hadoop.hbase.io.hfile.CacheTestUtils.hammerEviction(CacheTestUtils.java:208)
at
org.apache.hadoop.hbase.io.hfile.slab.TestSlabCache.testCacheMultiThreadedEviction(TestSlabCache.java:87)
...
Caused by: java.lang.RuntimeException: already cached key_2_3
at
org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache.cacheBlock(SingleSizeCache.java:132)
at
org.apache.hadoop.hbase.io.hfile.slab.SlabCache.cacheBlock(SlabCache.java:207)
at
org.apache.hadoop.hbase.io.hfile.CacheTestUtils$3.doAnAction(CacheTestUtils.java:194)
at
org.apache.hadoop.hbase.MultithreadedTestUtil$RepeatingTestThread.doWork(MultithreadedTestUtil.java:139)
at
org.apache.hadoop.hbase.MultithreadedTestUtil$TestThread.run(MultithreadedTestUtil.java:115)
{code}
Here is OS info:
{code}
Darwin tyumac.local 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36
PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386 i386
{code}
> Fix races in slab cache
> -----------------------
>
> Key: HBASE-4330
> URL: https://issues.apache.org/jira/browse/HBASE-4330
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.0
> Reporter: Todd Lipcon
> Assignee: Li Pi
> Fix For: 0.92.0
>
> Attachments: hbase-4330.txt, hbase-4330.txt, hbase-4330v3.txt,
> hbase-4330v4.txt, hbase-4330v5.txt
>
>
> A few races are still lingering in the slab cache. Here are some tests and
> proposed fixes.
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