[jira] [Resolved] (BAHIR-183) Using HDFS for saving message for mqtt source

["Luciano Resende (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BAHIR-183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luciano Resende resolved BAHIR-183.
-----------------------------------
       Resolution: Fixed
         Assignee: Wang Yanlin
    Fix Version/s:     (was: Spark-2.2.1)
                   Spark-2.4.0

> Using HDFS for saving message for mqtt source
> ---------------------------------------------
>
>                 Key: BAHIR-183
>                 URL: https://issues.apache.org/jira/browse/BAHIR-183
>             Project: Bahir
>          Issue Type: Improvement
>          Components: Spark Structured Streaming Connectors
>    Affects Versions: Spark-2.2.0
>            Reporter: Wang Yanlin
>            Assignee: Wang Yanlin
>            Priority: Major
>             Fix For: Spark-2.4.0
>
>
> Currently in spark-sql-streaming-mqtt, the received mqtt message is saved in a local file by driver, this will have the risks of losing data for cluster mode when application master failover occurs. So saving in-coming mqtt messages using a director in checkpoint will solve this problem.



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