Colin Patrick McCabe created HADOOP-8901:
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Summary: GZip and Snappy support may not work without unversioned
libraries
Key: HADOOP-8901
URL: https://issues.apache.org/jira/browse/HADOOP-8901
Project: Hadoop Common
Issue Type: Bug
Components: native
Affects Versions: 2.0.3-alpha
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
Priority: Minor
Attachments: HADOOP-8901.001.patch
Currently, we use {{dlopen}} to open {{libz.so}} and {{libsnappy.so}}, to get
Gzip and Snappy support, respectively.
However, this is not correct; we should be dlopening {{libsnappy.so.1}}
instead. The versionless form of the shared library is not commonly installed
except by development packages. Also, we may run into subtle compatibility
problems if a new version of libsnappy comes out.
For libz, I believe we should simply link normally against it, rather than
loading it using {{dlopen}}. It is part of the base Linux install for every
distribution I'm aware of, so let's not overcomplicate things.
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