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Posted to common-issues@hadoop.apache.org by "Hong Tang (JIRA)" <ji...@apache.org> on 2011/01/24 22:02:44 UTC

[jira] Commented: (HADOOP-7111) Several TFile tests failing when native libraries are present

    [ https://issues.apache.org/jira/browse/HADOOP-7111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12985979#action_12985979 ] 

Hong Tang commented on HADOOP-7111:
-----------------------------------

There could be two possibilities. 
# in some of the TFile tests, we hard-coded the sizes of the compressed blocks. HADOOP-6683 may have affected the compressed sizes. 
# TFile closes a block when it observes the compressed size of the block exceeds the configured minimum block size. HADOOP-6683 waits until a full-buffer if raw bytes before compressing, and thus changes the behavior.

> Several TFile tests failing when native libraries are present
> -------------------------------------------------------------
>
>                 Key: HADOOP-7111
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7111
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>            Reporter: Todd Lipcon
>            Priority: Critical
>             Fix For: 0.22.0
>
>
> When running tests with native libraries present, TestTFileByteArrays and TestTFileJClassComparatorByteArrays fail on trunk. They don't seem to fail in 0.20 with native libraries.

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