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https://issues.apache.org/jira/browse/HDFS-15548?focusedWorklogId=503938&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-503938
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ASF GitHub Bot logged work on HDFS-15548:
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Author: ASF GitHub Bot
Created on: 23/Oct/20 00:33
Start Date: 23/Oct/20 00:33
Worklog Time Spent: 10m
Work Description: LeonGao91 commented on pull request #2288:
URL: https://github.com/apache/hadoop/pull/2288#issuecomment-714835959
Thanks @Jing9 For the review!
1) Very good idea, I will make a wrapper for the relationship. This will be
useful if we want to update the ratio without restarting DN.
2) Another good point, I did some investigation, although "reserve" is not
being reported to NN, "NonDfsUsed" will be reported and double-counted. As
discussed I will add an optional field to solve this.
3) Yes, this is expected and we are looking at balancer/mover to kick-in to
balance the datanode once the ratio is updated. I will put some java doc to
explain this.
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Issue Time Tracking
-------------------
Worklog Id: (was: 503938)
Time Spent: 6h 10m (was: 6h)
> Allow configuring DISK/ARCHIVE storage types on same device mount
> -----------------------------------------------------------------
>
> Key: HDFS-15548
> URL: https://issues.apache.org/jira/browse/HDFS-15548
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Leon Gao
> Assignee: Leon Gao
> Priority: Major
> Labels: pull-request-available
> Time Spent: 6h 10m
> Remaining Estimate: 0h
>
> We can allow configuring DISK/ARCHIVE storage types on the same device mount
> on two separate directories.
> Users should be able to configure the capacity for each. Also, the datanode
> usage report should report stats correctly.
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