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https://issues.apache.org/jira/browse/HBASE-1887?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-1887.
--------------------------

       Resolution: Fixed
    Fix Version/s: 0.21.0

Added fixes and a basic test of new sync into TestHLog.  The test has a writer 
that appends... then syncs...  We then open a Reader and it can see the reads 
up to the sync.  Thats good enough to close this issue.

I had to do some ugly hacking to get it so I could sync the backing stream on a 
SequenceFile.Writer, and then, in SequenceFile.Reader, so it has a length which 
is equal to available bytes.  See HADOOP-6307



> Update hbase trunk to latests on hadoop 0.21 branch so we can all test 
> sync/append
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-1887
>                 URL: https://issues.apache.org/jira/browse/HBASE-1887
>             Project: Hadoop HBase
>          Issue Type: Task
>            Reporter: stack
>             Fix For: 0.21.0
>
>
> Update hbase to include hdfs, common, and mr jars... and all their test 
> counterparts.  try to figure what to do about native code.  get it all in so 
> we can start testing sync/append before 0.21 freezes.  See Clint's 
> hbase-1877.  Something for sure has changed in hdfs.

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