[jira] [Assigned] (KAFKA-1181) Consolidate brokerList and topicPartitionInfo in BrokerPartitionInfo

["Guozhang Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-1181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang reassigned KAFKA-1181:
------------------------------------

    Assignee:     (was: Guozhang Wang)

> Consolidate brokerList and topicPartitionInfo in BrokerPartitionInfo
> --------------------------------------------------------------------
>
>                 Key: KAFKA-1181
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1181
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Guozhang Wang
>
> brokerList in BrokerConfig is used to send the TopicMetadataRequest to known brokers, and the broker id always starts at 0 and increase incrementally, AND it is never updated in BrokerPartitionInfo even after the topic metadata response has been received.
> The real broker ids info is actually stored in topicPartitionInfo: HashMap[String, TopicMetadata]. Which is refreshed with topic metadata response. Therefore we could see different broker ids from logging entris reporting failues of metadata request and failures of produce requests.
> The solution here is to consolidate these two, reading the initial broker list but keep it refreshed with topic metadata responses.



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