[jira] [Updated] (HDFS-6493) Change dfs.namenode.startup.delay.block.deletion to second instead of millisecond

["Andrew Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-6493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Wang updated HDFS-6493:
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    Summary: Change dfs.namenode.startup.delay.block.deletion to second instead of millisecond  (was: Propose to change "dfs.namenode.startup.delay.block.deletion" to second instead of millisecond)

> Change dfs.namenode.startup.delay.block.deletion to second instead of millisecond
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-6493
>                 URL: https://issues.apache.org/jira/browse/HDFS-6493
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Juan Yu
>            Assignee: Juan Yu
>            Priority: Trivial
>         Attachments: HDFS-6493.001.patch
>
>
> Based on the discussion in https://issues.apache.org/jira/browse/HDFS-6186, the delay will be at least 30 minutes or even hours. it's not very user friendly to use milliseconds when it's likely measured in hours.
> I suggest to make the following change
> 1. change the unit of this config to second
> 2. rename the config key from "dfs.namenode.startup.delay.block.deletion.ms" to "dfs.namenode.startup.delay.block.deletion.sec"
> 3. add the default value to hdfs-default.xml, what's the reasonable value, 30 minutes, one hour?



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