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Posted to issues@hbase.apache.org by "Stephen Yuan Jiang (JIRA)" <ji...@apache.org> on 2015/08/14 20:40:46 UTC

[jira] [Updated] (HBASE-12123) Failed assertion in BucketCache after HBASE-11331

     [ https://issues.apache.org/jira/browse/HBASE-12123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen Yuan Jiang updated HBASE-12123:
---------------------------------------
    Summary: Failed assertion in BucketCache after HBASE-11331  (was: Failed assertion in BucketCache after 11331)

> Failed assertion in BucketCache after HBASE-11331
> -------------------------------------------------
>
>                 Key: HBASE-12123
>                 URL: https://issues.apache.org/jira/browse/HBASE-12123
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>            Reporter: Enis Soztutar
>            Assignee: Nick Dimiduk
>             Fix For: 2.0.0, 0.98.7, 0.99.1
>
>         Attachments: 12123.patch
>
>
> As reported by [~enis]
> We have seen this in one of the test runs: 
> {code}
> 2014-09-26 05:31:19,788 WARN  [main-BucketCacheWriter-2] bucket.BucketCache: Failed doing drain
> java.lang.AssertionError
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$RAMQueueEntry.writeToCache(BucketCache.java:1239)
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.doDrain(BucketCache.java:773)
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.run(BucketCache.java:731)
>   at java.lang.Thread.run(Thread.java:745)
> 2014-09-26 05:31:19,925 INFO  [main-BucketCacheWriter-2] bucket.BucketCache: main-BucketCacheWriter-2 exiting, cacheEnabled=true
> 2014-09-26 05:31:19,838 WARN  [main-BucketCacheWriter-1] bucket.BucketCache: Failed doing drain
> java.lang.AssertionError
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$RAMQueueEntry.writeToCache(BucketCache.java:1239)
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.doDrain(BucketCache.java:773)
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.run(BucketCache.java:731)
>   at java.lang.Thread.run(Thread.java:745)
> 2014-09-26 05:31:19,791 WARN  [main-BucketCacheWriter-0] bucket.BucketCache: Failed doing drain
> java.lang.AssertionError
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$RAMQueueEntry.writeToCache(BucketCache.java:1239)
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.doDrain(BucketCache.java:773)
>   at org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.run(BucketCache.java:731)
>   at java.lang.Thread.run(Thread.java:745)
> 2014-09-26 05:31:19,926 INFO  [main-BucketCacheWriter-0] bucket.BucketCache: main-BucketCacheWriter-0 exiting, cacheEnabled=true
> 2014-09-26 05:31:19,926 INFO  [main-BucketCacheWriter-1] bucket.BucketCache: main-BucketCacheWriter-1 exiting, cacheEnabled=true
> {code}
> We are still running with assertions on in tests, and this block is failing the assertion. Seems important: 
> {code}
>         if (data instanceof HFileBlock) {
>           ByteBuffer sliceBuf = ((HFileBlock) data).getBufferReadOnlyWithHeader();
>           sliceBuf.rewind();
>           assert len == sliceBuf.limit() + HFileBlock.EXTRA_SERIALIZATION_SPACE;
> {code}



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