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https://issues.apache.org/jira/browse/HDFS-13283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16446548#comment-16446548
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genericqa commented on HDFS-13283:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 7s{color}
| {color:red} HDFS-13283 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-13283 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12920120/HDFS-13283.006.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/24024/console |
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This message was automatically generated.
> Percentage based Reserved Space Calculation for DataNode
> --------------------------------------------------------
>
> Key: HDFS-13283
> URL: https://issues.apache.org/jira/browse/HDFS-13283
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: datanode, hdfs
> Reporter: Lukas Majercak
> Assignee: Lukas Majercak
> Priority: Major
> Attachments: HDFS-13283.000.patch, HDFS-13283.001.patch,
> HDFS-13283.002.patch, HDFS-13283.003.patch, HDFS-13283.004.patch,
> HDFS-13283.005.patch, HDFS-13283.006.patch
>
>
> Currently, the only way to configure reserved disk space for non-HDFS data on
> a DataNode is a constant value via {{dfs.datanode.du.reserved}}. This can be
> an issue in non-heterogeneous clusters where size of DNs can differ. The
> proposed solution is to allow percentage based configuration (and their
> combination):
> # ABSOLUTE
> ** based on absolute number of reserved space
> # PERCENTAGE
> ** based on percentage of total capacity in the storage
> # CONSERVATIVE
> ** calculates both of the above and takes the one that will yield more
> reserved space
> # AGGRESSIVE
> ** calculates 1. 2. and takes the one that will yield less reserved space
>
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