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Posted to commits@samza.apache.org by "Boris Shkolnik (JIRA)" <ji...@apache.org> on 2019/05/17 19:04:01 UTC

[jira] [Updated] (SAMZA-2176) Ignore the configurations with serialized null values from coordinator stream.

     [ https://issues.apache.org/jira/browse/SAMZA-2176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boris Shkolnik updated SAMZA-2176:
----------------------------------
    Fix Version/s: 1.2

> Ignore the configurations with serialized null values from coordinator stream.
> ------------------------------------------------------------------------------
>
>                 Key: SAMZA-2176
>                 URL: https://issues.apache.org/jira/browse/SAMZA-2176
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Shanthoosh Venkataraman
>            Assignee: Shanthoosh Venkataraman
>            Priority: Major
>             Fix For: 1.2
>
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> Samza stores the metadata of the job into a log-compacted kafka topic called coordinator stream.
> Due to some operational issue, we converted serialized null value into bytes and stored them as values for some keys in the coordinator stream. These keys will not be log-compacted by kafka, since they're not actually null messages. 
> As a part of JIRA, we propose to ignore these configurations with serialized-null values and hold keys only with non-null values from coordinator-stream in ApplicationMaster.



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