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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12041) AssertionError in HFilePerformanceEvaluation.UniformRandomReadBenchmark
Date Tue, 23 Sep 2014 04:52:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14144334#comment-14144334
] 

ramkrishna.s.vasudevan commented on HBASE-12041:
------------------------------------------------

bq.The BlockEncoder takes a Cell but we populate the index with a KV serialization of what
we think the 'key' is.
This is the tricky part in this.  Though we go with the comparators while doing the index
search we do rawbyte comparison assuming the key is serialized as per the KV serialization.

> AssertionError in HFilePerformanceEvaluation.UniformRandomReadBenchmark
> -----------------------------------------------------------------------
>
>                 Key: HBASE-12041
>                 URL: https://issues.apache.org/jira/browse/HBASE-12041
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.99.1
>            Reporter: Jean-Marc Spaggiari
>            Assignee: stack
>
> {code}
> 2014-09-19 05:18:54,719 INFO  [0] hbase.HFilePerformanceEvaluation: Running UniformRandomReadBenchmark
for 1000000 rows.
> 2014-09-19 05:18:54,719 INFO  [0] hfile.CacheConfig: CacheConfig:disabled
> Exception in thread "0" java.lang.AssertionError: Expected 0000472128 but got 0000472127
>         at org.apache.hadoop.hbase.PerformanceEvaluationCommons.assertKey(PerformanceEvaluationCommons.java:50)
>         at org.apache.hadoop.hbase.PerformanceEvaluationCommons.assertKey(PerformanceEvaluationCommons.java:45)
>         at org.apache.hadoop.hbase.HFilePerformanceEvaluation$UniformRandomReadBenchmark.doRow(HFilePerformanceEvaluation.java:295)
>         at org.apache.hadoop.hbase.HFilePerformanceEvaluation$RowOrientedBenchmark.run(HFilePerformanceEvaluation.java:169)
>         at org.apache.hadoop.hbase.HFilePerformanceEvaluation.runBenchmark(HFilePerformanceEvaluation.java:121)
>         at org.apache.hadoop.hbase.HFilePerformanceEvaluation$2.run(HFilePerformanceEvaluation.java:87)
>         at java.lang.Thread.run(Thread.java:744)
> {code}



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