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https://issues.apache.org/jira/browse/HDFS-14458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883693#comment-16883693
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Feilong He commented on HDFS-14458:
-----------------------------------
Thanks [~rakeshr] so much for your futher review on this patch!
# Yes, this piece of code is unnecessary.
# I have logged this info in warning level.
# Yes, the CacheStats of 'DRAM' and 'Pmem' cache can be unified. I think it is
better to do this refactor work along with LazyWriter Pmem support.
I have uploaded [^HDFS-14458.005.patch] to fix your comments. Thanks so much!
> Report pmem stats to namenode
> -----------------------------
>
> Key: HDFS-14458
> URL: https://issues.apache.org/jira/browse/HDFS-14458
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Feilong He
> Assignee: Feilong He
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-14458.000.patch, HDFS-14458.001.patch,
> HDFS-14458.002.patch, HDFS-14458.003.patch, HDFS-14458.004.patch,
> HDFS-14458.005.patch
>
>
> Currently, two important stats should be reported to NameNode: cache used and
> cache capacity.
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