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https://issues.apache.org/jira/browse/KAFKA-1326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059216#comment-14059216
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nicu marasoiu edited comment on KAFKA-1326 at 7/11/14 7:24 PM:
---------------------------------------------------------------
Hey guys,
Where is some doc on the "new consumer"? This is a 0.9.0 thing right?
What drives the need for a new consumer, I was aware only of the low level
SimpleConsumer and of the high abstraction level consumer which transparently
handled zookeeper offsets commiting and off-thread proactive downloading the
upcoming content.
Is there this consumer implementation already started?
What can I take from the unassigned?:P
was (Author: nmarasoi):
Hey guys,
Where is some doc on the "new consumer"?
Is there this consumer implementation already started?
What can I take from the unassigned?:P
> New consumer checklist
> ----------------------
>
> Key: KAFKA-1326
> URL: https://issues.apache.org/jira/browse/KAFKA-1326
> Project: Kafka
> Issue Type: New Feature
> Components: consumer
> Affects Versions: 0.9.0
> Reporter: Neha Narkhede
> Assignee: Neha Narkhede
> Labels: feature
>
> We will use this JIRA to track the list of issues to resolve to get a working
> new consumer client. The consumer client can work in phases -
> 1. Add new consumer APIs and configs
> 2. Refactor Sender. We will need to use some common APIs from Sender.java
> (https://issues.apache.org/jira/browse/KAFKA-1316)
> 3. Add metadata fetch and refresh functionality to the consumer (This will
> require https://issues.apache.org/jira/browse/KAFKA-1316)
> 4. Add functionality to support subscribe(TopicPartition...partitions). This
> will add SimpleConsumer functionality to the new consumer. This does not
> include any group management related work.
> 5. Add ability to commit offsets to Kafka. This will include adding
> functionality to the commit()/commitAsync()/committed() APIs. This still does
> not include any group management related work.
> 6. Add functionality to the offsetsBeforeTime() API.
> 7. Add consumer co-ordinator election to the server. This will only add a new
> module for the consumer co-ordinator, but not necessarily all the logic to do
> group management.
> At this point, we will have a fully functional standalone consumer and a
> server side co-ordinator module. This will be a good time to start adding
> group management functionality to the server and consumer.
> 8. Add failure detection capability to the consumer when group management is
> used. This will not include any rebalancing logic, just the ability to detect
> failures using session.timeout.ms.
> 9. Add rebalancing logic to the server and consumer. This will be a tricky
> and potentially large change since it will involve implementing the group
> management protocol.
> 10. Add system tests for the new consumer
> 11. Add metrics
> 12. Convert mirror maker to use the new consumer.
> 13. Convert perf test to use the new consumer
> 14. Performance testing and analysis.
> 15. Review and fine tune log4j logging
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