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https://issues.apache.org/jira/browse/HDFS-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13039775#comment-13039775
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Ivan Kelly commented on HDFS-1580:
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I've created HDFS-2003 to split FSEditLogLoader into reading and memory state
building. This will make it easier to count the number of transactions in a
journal.
> Add interface for generic Write Ahead Logging mechanisms
> --------------------------------------------------------
>
> Key: HDFS-1580
> URL: https://issues.apache.org/jira/browse/HDFS-1580
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ivan Kelly
> Fix For: Edit log branch (HDFS-1073)
>
> Attachments: EditlogInterface.1.pdf, EditlogInterface.2.pdf,
> HDFS-1580+1521.diff, HDFS-1580.diff, HDFS-1580.diff, HDFS-1580.diff,
> generic_wal_iface.pdf, generic_wal_iface.pdf, generic_wal_iface.pdf,
> generic_wal_iface.txt
>
>
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