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https://issues.apache.org/jira/browse/HDFS-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13058708#comment-13058708
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dhruba borthakur commented on HDFS-1580:
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1. it would be nice to get rid of mark() method
2. possibly rename InputStream.readNext() to InputStream.seekNext() just to
make it clear that we are operating on some sort of an underlying stream
> 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,
> EditlogInterface.3.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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