[
https://issues.apache.org/jira/browse/HBASE-4330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101974#comment-13101974
]
Ted Yu commented on HBASE-4330:
-------------------------------
I don't see much difference for patch v6 on my MacBook:
{code}
testCacheMultiThreadedEviction(org.apache.hadoop.hbase.io.hfile.slab.TestSlabCache)
Time elapsed: 23.649 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:211)
at
org.apache.hadoop.hbase.io.hfile.slab.TestSlabCache.testCacheMultiThreadedEviction(TestSlabCache.java:87)
...
Caused by: java.lang.RuntimeException: already cached key_8_9
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$3.doAnAction(CacheTestUtils.java:197)
at
org.apache.hadoop.hbase.MultithreadedTestUtil$RepeatingTestThread.doWork(MultithreadedTestUtil.java:139)
at
org.apache.hadoop.hbase.MultithreadedTestUtil$TestThread.run(MultithreadedTestUtil.java:115)
{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, hbase-4330v6.txt
>
>
> A few races are still lingering in the slab cache. Here are some tests and
> proposed fixes.
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
