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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2642) Common interface for HBase classes that append, sync, etc.
Date Tue, 01 Jun 2010 17:01:38 GMT
Common interface for HBase classes that append, sync, etc.
----------------------------------------------------------

                 Key: HBASE-2642
                 URL: https://issues.apache.org/jira/browse/HBASE-2642
             Project: HBase
          Issue Type: Improvement
            Reporter: stack


A suggestion by Cosmin over in review of hbase-2437 (http://review.hbase.org/r/74/)  is as
follows:

{code}
....[b]y "writers" I mean the classes that implement the Writer interface (sync, append, etc).
There's a HLog.Writer interface and the implementation is SequenceFileLogWriter that encapsulates
a SequenceFile.Writer 

We should have a common interface for HBase classes that append, sync, etc. 
If the filesystem doesn't support append - that should be taken care in the Writer implementation
that actually talks with HDFS. i.e. do it in a single class and avoid duplicating the appendSupport
logic through code.

{code}

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