[jira] [Resolved] (KAFKA-12762) Use connection timeout when polling the network for new connections

["Mickael Maison (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-12762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mickael Maison resolved KAFKA-12762.
------------------------------------
    Fix Version/s: 3.1.0
       Resolution: Fixed

> Use connection timeout when polling the network for new connections
> -------------------------------------------------------------------
>
>                 Key: KAFKA-12762
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12762
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 2.7.0, 2.8.0
>            Reporter: Mickael Maison
>            Assignee: Edoardo Comar
>            Priority: Major
>             Fix For: 3.1.0
>
>
> In some cases, when connecting to brokers, we end up calling selector.select() with the wrong timeout. Since 2.7, we should use a timeout computed from socket.connection.setup.timeout.ms to ensure we detect bad hosts quickly.
> This is especially relevant now that client.dns.lookup defaults to use_all_dns_ips. In case, one of the IPs returned in currently unavailable, we want the client to quickly discover it and avoid timing out user calls.
> h4.  



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