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https://issues.apache.org/jira/browse/HBASE-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-2233:
-------------------------
Attachment: 2233.txt
This is what I did at the 0.22 hackathon today... There is more to do bringing
us over to new append. Asking Hairong about recovery of lease which is not in
0.22, if it makes sense to add it. This code compiles but I need to check
tests.
It looks for hflush in the dfsclient outputstream. If present, we'll call it
on each sync invocation (we are not asking SequenceFile to do it as 0.20 does
since there is no 'hflush' in SequenceFile)
> Support both Hadoop 0.20 and 0.21
> ---------------------------------
>
> Key: HBASE-2233
> URL: https://issues.apache.org/jira/browse/HBASE-2233
> Project: HBase
> Issue Type: New Feature
> Reporter: Jean-Daniel Cryans
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: 2233.txt
>
>
> Since Hadoop 0.21 isn't going to be well supported and that a lot of users
> may wish to stick on 0.20, the next HBase major release should support both
> 0.20 and 0.21.
> HDFS-265 support will be swapped for HDFS-200 if running on HDFS 0.20. A
> cluster without that patchset shouldn't be supported.
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