Huafeng Wang created HADOOP-13633:
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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. Thanks!
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