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https://issues.apache.org/jira/browse/HDFS-15133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17025039#comment-17025039
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hemanthboyina commented on HDFS-15133:
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thanks for the reply [~maobaolong]
I think you are using HeapInodeStore and RocksInodeStore to store the INode
object . What is the benefit of this ? As you are still storing the entire
INode object in HeapInodeStore.Map .
IMO we are not getting any benefit in terms of heap used . please correct me if
i am missing something
> Use rocksdb to store NameNode inode and blockInfo
> -------------------------------------------------
>
> Key: HDFS-15133
> URL: https://issues.apache.org/jira/browse/HDFS-15133
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.3.0
> Reporter: maobaolong
> Priority: Major
> Attachments: image-2020-01-28-12-30-33-015.png
>
>
> Maybe we don't need checkpoint to a fsimage file, the rocksdb checkpoint can
> achieve the same request.
> This is ozone and alluxio way to manage meta data of master node.
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