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From "Ayush Saxena (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-15025) Applying NVDIMM storage media to HDFS
Date Fri, 02 Oct 2020 19:50:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-15025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206484#comment-17206484
] 

Ayush Saxena commented on HDFS-15025:
-------------------------------------

Thanx [~huangtianhua] for the details, From the comment I couldn't find any test related.
Did you just run UT's with and without the patch? and in the last one just DFSIO? The problem
was suppose to come with {{setQuotaWithStorageType}}, I am not sure you tried that also..

> Applying NVDIMM storage media to HDFS
> -------------------------------------
>
>                 Key: HDFS-15025
>                 URL: https://issues.apache.org/jira/browse/HDFS-15025
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, hdfs
>            Reporter: YaYun Wang
>            Assignee: YaYun Wang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>         Attachments: Applying NVDIMM to HDFS.pdf, HDFS-15025.001.patch, HDFS-15025.002.patch,
HDFS-15025.003.patch, HDFS-15025.004.patch, HDFS-15025.005.patch, HDFS-15025.006.patch, NVDIMM_patch(WIP).patch
>
>          Time Spent: 12h 10m
>  Remaining Estimate: 0h
>
> The non-volatile memory NVDIMM is faster than SSD, it can be used simultaneously with
RAM, DISK, SSD. The data of HDFS stored directly on NVDIMM can not only improves the response
rate of HDFS, but also ensure the reliability of the data.



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