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From "Huafeng Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13633) Introduce Apache Kafka as a Service into Hadoop
Date Wed, 21 Sep 2016 08:13:20 GMT
Huafeng Wang created HADOOP-13633:

             Summary: Introduce Apache Kafka as a Service into Hadoop
                 Key: HADOOP-13633
                 URL: https://issues.apache.org/jira/browse/HADOOP-13633
             Project: Hadoop Common
          Issue Type: New Feature
            Reporter: Huafeng Wang
            Assignee: Huafeng Wang

In HDFS-7343 we want to develop a comprehensive storage management solution originated from
community discussions, in order for allowing convenient, intelligent and effective utilization
of various HDFS facilities such as erasure coding, HDFS cache, HSM offering, and etc. based
on valuable insights from events and data collected from namenodes, datanodes, frameworks
and applications via a pub-sub messaging system. In HDFS-8940 it was discussed that the proposed
large scale inotify feature would be better to be implemented via Kafka system to allowing
thousands of consumers or inotify clients.

Apache Kafka is a distributed messaging system that aims to provide a unified, high-throughput,
low-latency platform for handling real-time data feeds, and currently it’s widely used in
real-time streaming process field. Considering the above two important use cases desired in
Hadoop, we’d like to propose to introduce Kafka as a fundamental event pub-sub service into
Hadoop platform. Like FileSystem offering, we’d like to provide MessagingSystem in Hadoop
style and conforming Hadoop security, backed by an internal or external existing Kafka cluster.
Generally the new service is very convenient to use, and can be used to distribute and exchange
various types of events across IO, storage, and computation that produced by Hadoop itself,
frameworks or applications on top of it. Then on this basis valuable events can be analyzed
in a centralized way so that meaningful applications and usages can be developed.

The design document is under-going and will be submitted in a week. Feedback are very welcome.

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