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http://issues.apache.org/jira/browse/HADOOP-538?page=comments#action_12443707 ]
Owen O'Malley commented on HADOOP-538:
--------------------------------------
NativeCodeLoader:
1. The Class & public methods need to have javadoc
2. The log field should be private.
3. Using a static Configuration is pretty broken, because it:
a. causes the config files to be re-read
b. ignores mapred-default.xml
c. doesn't let the application control it
As a result, I think the test for hadoop.native.code and the conf field
should be removed.
> Implement a nio's 'direct buffer' based wrapper over zlib to improve
> performance of java.util.zip.{De|In}flater as a 'custom codec'
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-538
> URL: http://issues.apache.org/jira/browse/HADOOP-538
> Project: Hadoop
> Issue Type: Improvement
> Affects Versions: 0.6.1
> Reporter: Arun C Murthy
> Assigned To: Arun C Murthy
> Fix For: 0.8.0
>
> Attachments: HADOOP-538.patch, HADOOP-538_20061005.tgz,
> HADOOP-538_20061011.tgz, HADOOP-538_benchmarks.tgz
>
>
> There has been more than one instance where java.util.zip's {De|In}flater
> classes perform unreliably, a simple wrapper over zlib-1.2.3 (latest stable)
> using java.nio.ByteBuffer (i.e. direct buffers) should go a long way in
> alleviating these woes.
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