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https://issues.apache.org/jira/browse/HDFS-8940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15366960#comment-15366960
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Kai Zheng commented on HDFS-8940:
---------------------------------

Hi [~mingma],

Could you help clarify if it works or not, in the way I said above that your 
Zookeeper could get triggered by Kafka instead of HDFS directly? Or simply: 
HDFS->Kafka->Zookeeper, instead of HDFS->Zookeeper. 

I'm thinking that having a Kafka expose all the NameNode activities allowing 
all kinds of possible consumers may best align all the requirements like raised 
here. My side are interested in this and hope we can sort out an approach so to 
contribute.

> Support for large-scale multi-tenant inotify service
> ----------------------------------------------------
>
>                 Key: HDFS-8940
>                 URL: https://issues.apache.org/jira/browse/HDFS-8940
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Ming Ma
>         Attachments: Large-Scale-Multi-Tenant-Inotify-Service.pdf
>
>
> HDFS-6634 provides the core inotify functionality. We would like to extend 
> that to provide a large-scale service that ten of thousands of clients can 
> subscribe to.



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