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https://issues.apache.org/jira/browse/HDFS-1985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-1985:
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Component/s: name-node
Description:
The TransferFsImage class has grown several heads and is somewhat confusing to
follow. This JIRA is to refactor it a little bit.
- the TransferFsImage class contains static methods to put/get image and edits
files. It's used by checkpointing nodes. [the same static methods it has today]
- some common code from call sites of TransferFsImage are moved into
TransferFsImage itself, so it presents a cleaner interface to checkpointers
- the non-static parts of TransferFsImage are moved to an inner class of
GetImageServlet called GetImageParams, since they were only responsible for
parameter parsing/validation.
Affects Version/s: Edit log branch (HDFS-1073)
Fix Version/s: Edit log branch (HDFS-1073)
> HDFS-1073: Cleanup in image transfer servlet
> --------------------------------------------
>
> Key: HDFS-1985
> URL: https://issues.apache.org/jira/browse/HDFS-1985
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: Edit log branch (HDFS-1073)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: Edit log branch (HDFS-1073)
>
>
> The TransferFsImage class has grown several heads and is somewhat confusing
> to follow. This JIRA is to refactor it a little bit.
> - the TransferFsImage class contains static methods to put/get image and
> edits files. It's used by checkpointing nodes. [the same static methods it
> has today]
> - some common code from call sites of TransferFsImage are moved into
> TransferFsImage itself, so it presents a cleaner interface to checkpointers
> - the non-static parts of TransferFsImage are moved to an inner class of
> GetImageServlet called GetImageParams, since they were only responsible for
> parameter parsing/validation.
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