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https://issues.apache.org/jira/browse/HDFS-12777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Virajith Jalaparti updated HDFS-12777:
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    Summary: [READ] Reduce memory and CPU footprint for PROVIDED volumes.  
(was: [READ] Share URI prefix across Provided blocks to lower memory footprint.)

> [READ] Reduce memory and CPU footprint for PROVIDED volumes.
> ------------------------------------------------------------
>
>                 Key: HDFS-12777
>                 URL: https://issues.apache.org/jira/browse/HDFS-12777
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Virajith Jalaparti
>            Priority: Major
>
> As opposed to local blocks, each DN keeps track of all blocks in PROVIDED 
> storage. This can be millions of blocks for 100s of TBs of PROVIDED data. 
> This JIRA aims to reduce the memory footprint of these blocks by using a 
> common URI prefix across all PROVIDED blocks.



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