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Hudson commented on HDFS-2003:
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Integrated in Hadoop-Hdfs-trunk #699 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/699/])
> Separate FSEditLog reading logic from editLog memory state building logic
> -------------------------------------------------------------------------
>
> Key: HDFS-2003
> URL: https://issues.apache.org/jira/browse/HDFS-2003
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: Edit log branch (HDFS-1073), 0.23.0
> Reporter: Ivan Kelly
> Assignee: Ivan Kelly
> Fix For: Edit log branch (HDFS-1073), 0.23.0
>
> Attachments: 2003-delta.txt, HDFS-2003-replicationfix-delta.diff, HDFS-2003.diff,
HDFS-2003.diff, HDFS-2003.diff, HDFS-2003.diff, HDFS-2003.diff, HDFS-2003.diff, HDFS-2003.diff,
HDFS-2003.diff, hdfs-2003.txt, hdfs-2003.txt, hdfs-2003.txt
>
>
> Currently FSEditLogLoader has code for reading from an InputStream interleaved with code
which updates the FSNameSystem and FSDirectory. This makes it difficult to read an edit log
without having a whole load of other object initialised, which is problematic if you want
to do things like count how many transactions are in a file etc.
> This patch separates the reading of the stream and the building of the memory state.
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