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https://issues.apache.org/jira/browse/HDFS-8954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xu Chen updated HDFS-8954:
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Component/s: (was: balancer & mover)
datanode
> Not all the one block in RAM_DISK use lazy_persist policy
> ---------------------------------------------------------
>
> Key: HDFS-8954
> URL: https://issues.apache.org/jira/browse/HDFS-8954
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.7.1
> Reporter: Xu Chen
> Priority: Critical
>
> I was try to use Heterogeneous Storage feature and I config RAM_DISK volume
> for each DN size of 20g , and set one directory policy of lazy_persist at
> HDFS , then command copyFromLocal to load a 79g file to the directory HDFS ,
> it is have 593 block , and only 141 block in RAM_DISK , I use command "df" to
> look tmpfs usage it only my execute command DN fill enough the tmpfs , other
> DN tmpfs is empty !
> that a bug ? or my config issue?
> Regards
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