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From "Rural Hunter (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10303) Have snappy support properly documented would be helpful to hadoop and hbase users
Date Thu, 09 Jan 2014 01:31:50 GMT
Rural Hunter created HBASE-10303:
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             Summary: Have snappy support properly documented would be helpful to hadoop and
hbase users
                 Key: HBASE-10303
                 URL: https://issues.apache.org/jira/browse/HBASE-10303
             Project: HBase
          Issue Type: Task
          Components: documentation
            Reporter: Rural Hunter


The currentl document for configuring snappy support(http://hbase.apache.org/book/snappy.compression.html)
is not complete and it's a bit obscure. IMO, there are several improvments can be made:
1. Describe the relationship among hadoop,hbase,snappy. Is the snappy actually needed by hadoop
hdfs or hbase itself? That's to make clear if you need to configure snappy support in hbase
or hadoop.
2. It didn't mention the default hadoop binary package is compiled without snappy support
and you need to compile it with snappy option manually. Actually it didn't work with any native
libs on 64 bits OS as the libhadoop.so in the binary package is only for 32 bits OS(this of
course is a hadoop issue not hbase. but it's good to mention it.).
3. In my experience, I actually need to install both snappy and hadoop-snappy. So the doc
lack of the steps to install hadoop-snappy. 
4. During my set up, I found difference where hadoop and hbase to pick up the native lib files.
hadoop picks those files in ./lib while hbase picks in ./lib/[PLATFORM]. If it's correct,
it can also be mentioned.



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