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From "Ivan Kelly (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2187) HDFS-1580: Make EditLogInputStream act like an iterator over FSEditLogOps
Date Fri, 22 Jul 2011 14:50:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ivan Kelly updated HDFS-2187:
-----------------------------

     Description: This JIRA is for the input side changes moved out of HDFS-2149. EditLogInputStream
has been changed to no longer be an InputStream implementation, but to return a stream of
FSEditLogOp objects using readOp(). The upshot is that all that can ever be read from an EditLogInputStream
is a op. No random hackery can be used to put other things in the stream. Version is now a
property of the EditLogInputStream and retrieved using getVersion().
    Release Note:   (was: This JIRA is for the input side changes moved out of HDFS-2149.
EditLogInputStream has been changed to no longer be an InputStream implementation, but to
return a stream of FSEditLogOp objects using readOp(). The upshot is that all that can ever
be read from an EditLogInputStream is a op. No random hackery can be used to put other things
in the stream. Version is now a property of the EditLogInputStream and retrieved using getVersion().)

> HDFS-1580: Make EditLogInputStream act like an iterator over FSEditLogOps
> -------------------------------------------------------------------------
>
>                 Key: HDFS-2187
>                 URL: https://issues.apache.org/jira/browse/HDFS-2187
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>             Fix For: 0.23.0
>
>
> This JIRA is for the input side changes moved out of HDFS-2149. EditLogInputStream has
been changed to no longer be an InputStream implementation, but to return a stream of FSEditLogOp
objects using readOp(). The upshot is that all that can ever be read from an EditLogInputStream
is a op. No random hackery can be used to put other things in the stream. Version is now a
property of the EditLogInputStream and retrieved using getVersion().

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