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https://issues.apache.org/jira/browse/HADOOP-6662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12851334#action_12851334
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Hadoop QA commented on HADOOP-6662:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12440187/ZlibCompressor.patch
against trunk revision 927979.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
-1 patch. The patch command could not apply the patch.
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-h4.grid.sp2.yahoo.net/434/console
This message is automatically generated.
> hadoop zlib compression does not fully utilize the buffer
> ---------------------------------------------------------
>
> Key: HADOOP-6662
> URL: https://issues.apache.org/jira/browse/HADOOP-6662
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io
> Affects Versions: 0.20.2
> Reporter: Xiao Kang
> Attachments: ZlibCompressor.patch
>
>
> org.apache.hadoop.io.compress.ZlibCompressonr does not fully utilize its
> buffer.
> Its needesInput() return false when there is any data in its buffer (64K by
> default). The performance will greately degrade since an JNI call will be
> invoded at each time the write() method of CompressonStream is called.
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