[jira] [Closed] (FLINK-28870) Pulsar Source hangs on the small incoming message rates

["Zili Chen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-28870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zili Chen closed FLINK-28870.
-----------------------------
    Fix Version/s: pulsar-4.0.0
       Resolution: Fixed

master via https://github.com/apache/flink-connector-pulsar/pull/15

> Pulsar Source hangs on the small incoming message rates
> -------------------------------------------------------
>
>                 Key: FLINK-28870
>                 URL: https://issues.apache.org/jira/browse/FLINK-28870
>             Project: Flink
>          Issue Type: Improvement
>          Components: Connectors / Pulsar
>            Reporter: xie
>            Assignee: Yufan Sheng
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: pulsar-4.0.0
>
>
> When using Pulsar Source to consume data, if the data rate is small, e.g. 2 msg/s, there will be long periods of time when no messages are consumed. This is caused by the default PulsarSourceOptions.PULSAR_MAX_FETCH_TIME and PulsarSourceOptions.PULSAR_MAX_FETCH_RECORDS. Pulsar Source will try to pull messages until any one of the condition exceed.
>  



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