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Posted to jira@kafka.apache.org by "Jason Gustafson (Jira)" <ji...@apache.org> on 2020/05/19 22:11:00 UTC
[jira] [Issue Comment Deleted] (KAFKA-10021) When reading to the
end of the config log, check if fetch.max.wait.ms is greater than
worker.sync.timeout.ms
[ https://issues.apache.org/jira/browse/KAFKA-10021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Gustafson updated KAFKA-10021:
------------------------------------
Comment: was deleted
(was: [~wicknicks] Each consumer instance has a separate connection to the brokers. This issue wouldn't be a problem if we used a separate AdminClient to query the end offsets.)
> When reading to the end of the config log, check if fetch.max.wait.ms is greater than worker.sync.timeout.ms
> ------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-10021
> URL: https://issues.apache.org/jira/browse/KAFKA-10021
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Reporter: Sanjana Kaundinya
> Priority: Major
>
> Currently in the Connect code in DistributedHerder.java, we see the following piece of code
>
> {{ if (!canReadConfigs && !readConfigToEnd(workerSyncTimeoutMs))
> return; // Safe to return and tick immediately because readConfigToEnd will do the backoff for us}}
> where the workerSyncTimeoutMs passed in is the timeout given to read to the end of the config log. This is a bug as we should check if fetch.wait.max.ms is greater than worker.sync.timeout.ms and if it is, use worker.sync.timeout.ms as the fetch.wait.max.ms. A better fix would be to use the AdminClient to read to the end of the log, but at a minimum we should check the configs.
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