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https://issues.apache.org/jira/browse/HADOOP-4379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nigel Daley updated HADOOP-4379:
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Fix Version/s: (was: 0.19.1)
0.19.2
As discussed on core-dev@ (http://www.nabble.com/Hadoop-0.19.1-td21739202.html)
we will disable append in 0.19.1. Moving these append related issues to 0.19.2.
> In HDFS, sync() not yet guarantees data available to the new readers
> --------------------------------------------------------------------
>
> Key: HADOOP-4379
> URL: https://issues.apache.org/jira/browse/HADOOP-4379
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: dhruba borthakur
> Priority: Blocker
> Fix For: 0.19.2
>
> Attachments: 4379_20081010TC3.java, fsyncConcurrentReaders.txt,
> fsyncConcurrentReaders3.patch, fsyncConcurrentReaders4.patch,
> hypertable-namenode.log.gz, Reader.java, Reader.java, reopen_test.sh,
> ReopenProblem.java, Writer.java, Writer.java
>
>
> In the append design doc
> (https://issues.apache.org/jira/secure/attachment/12370562/Appends.doc), it
> says
> * A reader is guaranteed to be able to read data that was 'flushed' before
> the reader opened the file
> However, this feature is not yet implemented. Note that the operation
> 'flushed' is now called "sync".
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