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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/03/22 03:37:27 UTC

[jira] Created: (HDFS-1060) Append/flush should support concurrent "tailer" use case

Append/flush should support concurrent "tailer" use case
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                 Key: HDFS-1060
                 URL: https://issues.apache.org/jira/browse/HDFS-1060
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: data-node, hdfs client
    Affects Versions: 0.21.0, 0.22.0
            Reporter: Todd Lipcon


Several people have a usecase for a writer logging edits and using hflush() while one or more readers "tails" the file by periodically reopening and seeking to get the latest bytes. Currently there are several bugs. Using this ticket as a supertask for those bugs (and to add test cases for this use case)

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