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https://issues.apache.org/jira/browse/HDFS-1826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Foley updated HDFS-1826:
-----------------------------
Fix Version/s: 0.23.0
Assignee: Matt Foley
Status: Patch Available (was: Open)
Hairong also said "Also it should not save its image to edits directories."
But in saveNamespace() is appears that saveCurrent(sd) is responsible for
correctly writing both IMAGE and EDITS directories. Am I misinterpreting this?
> NameNode should save image to name directories in parallel during upgrade
> -------------------------------------------------------------------------
>
> Key: HDFS-1826
> URL: https://issues.apache.org/jira/browse/HDFS-1826
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Hairong Kuang
> Assignee: Matt Foley
> Fix For: 0.23.0
>
> Attachments: 1826_FSImageWrite_concur_upgrade_v1.patch
>
>
> Currently namenode saves a new image to all its name directories in sequence
> during upgrade. We should make it to do in parallel to speedup namenode
> upgrade. Also it should not save its image to edits directories.
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