[jira] [Work logged] (GOBBLIN-1345) Implement a Kafka schema change detecting converter

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GOBBLIN-1345?focusedWorklogId=526168&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-526168 ]

ASF GitHub Bot logged work on GOBBLIN-1345:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 18/Dec/20 22:30
            Start Date: 18/Dec/20 22:30
    Worklog Time Spent: 10m 
      Work Description: sv2000 opened a new pull request #3182:
URL: https://github.com/apache/incubator-gobblin/pull/3182


   Dear Gobblin maintainers,
   
   Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!
   
   
   ### JIRA
   - [x] My PR addresses the following [Gobblin JIRA](https://issues.apache.org/jira/browse/GOBBLIN/) issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
       - https://issues.apache.org/jira/browse/GOBBLIN-1345
   
   
   ### Description
   - [x] Here are some details about my PR, including screenshots (if applicable):
   For long-running Gobblin pipelines such as Gobblin-Kafka with streaming mode enabled, we need the ability for the pipeline to detect upstream schema changes to enable proper handling by downstream constructs. For instance, in the case of sinks such as HDFS and blob stores, such schema changes should result in the writer closing any open files. 
   
   
   ### Tests
   - [x] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason:
   KafkaSchemaChangeInjectorTest.
   
   ### Commits
   - [x] My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
       1. Subject is separated from body by a blank line
       2. Subject is limited to 50 characters
       3. Subject does not end with a period
       4. Subject uses the imperative mood ("add", not "adding")
       5. Body wraps at 72 characters
       6. Body explains "what" and "why", not "how"
   
   


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 526168)
    Remaining Estimate: 0h
            Time Spent: 10m

> Implement a Kafka schema change detecting converter
> ---------------------------------------------------
>
>                 Key: GOBBLIN-1345
>                 URL: https://issues.apache.org/jira/browse/GOBBLIN-1345
>             Project: Apache Gobblin
>          Issue Type: Bug
>          Components: gobblin-kafka
>    Affects Versions: 0.16.0
>            Reporter: Sudarshan Vasudevan
>            Assignee: Shirshanka Das
>            Priority: Major
>             Fix For: 0.16.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> For long-running Gobblin pipelines such as Gobblin-Kafka with streaming mode enabled, we need the ability for the pipeline to detect upstream schema changes to enable proper handling by downstream constructs. For instance, in the case of sinks such as HDFS and blob stores, such schema changes should result in the writer closing any open files. 



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