[
https://issues.apache.org/jira/browse/HDFS-6930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Arpit Agarwal resolved HDFS-6930.
---------------------------------
Resolution: Fixed
Fix Version/s: HDFS-6581
Hadoop Flags: Reviewed
Thanks Colin and Xiaoyu. Committed to the feature branch.
> Improve replica eviction from RAM disk
> --------------------------------------
>
> Key: HDFS-6930
> URL: https://issues.apache.org/jira/browse/HDFS-6930
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: HDFS-6581
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: HDFS-6581
>
> Attachments: HDFS-6930.01.patch, HDFS-6930.02.patch
>
>
> The current replica eviction scheme is inefficient since it performs multiple
> file operations in the context of block allocation.
> A better implementation would be asynchronous eviction when free space on RAM
> disk falls below a low watermark to make block allocation faster.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
