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https://issues.apache.org/jira/browse/HADOOP-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12590172#action_12590172
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Konstantin Shvachko commented on HADOOP-1549:
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I agree we should not use SuppressWarnings, we should define serialVersionUID
instead but in a different issue.
A more serious problem here is that the patch will change the format of the
image, and the consequences are not clear.
I mean that we need to know what are the changes in the image/edits file sizes,
and the name-node startup time.
So I recommend just to remove UTF8 for everything but the storage classes, like
Storage, FSImage, FSEditLog, DataStorage.
> All remaining UTF8 data structures in HDFS code should be removed
> -----------------------------------------------------------------
>
> Key: HADOOP-1549
> URL: https://issues.apache.org/jira/browse/HADOOP-1549
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Reporter: dhruba borthakur
> Assignee: Edward J. Yoon
> Fix For: 0.18.0
>
> Attachments: 1549.patch
>
>
> The UTF8 data structure is deprecated. HADOOP-1283 addressed part of the
> problem. All remaining UTF8 data structurs in HDFS should be removed.
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