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https://issues.apache.org/jira/browse/BEAM-14452?focusedWorklogId=768620&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-768620
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ASF GitHub Bot logged work on BEAM-14452:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/May/22 17:57
            Start Date: 10/May/22 17:57
    Worklog Time Spent: 10m 
      Work Description: chamikaramj commented on PR #17599:
URL: https://github.com/apache/beam/pull/17599#issuecomment-1122701323

   Still unclear to me how this work. Do 4mc encoded text files written by 
TextIO somehow end up being same as 4mc files ? If so, that sounds like by 
accident for me and probably we should develop a 4mc source/sink instead.




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

    Worklog Id:     (was: 768620)
    Time Spent: 20m  (was: 10m)

> Support Hadoop 4mc file format
> ------------------------------
>
>                 Key: BEAM-14452
>                 URL: https://issues.apache.org/jira/browse/BEAM-14452
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-core
>            Reporter: Akhilesh Singh
>            Priority: P2
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The 4MC (4 More Compression) is a library for hadoop providing a new 
> splittable compressed file format (4mc) which lets you leverage the power of 
> LZ4 and ZSTD algorithms.
> It differs from other compressed file formats in a way that the output files 
> can be read using HIVE partitioning - thus queries can be fast and reads from 
> client applications can be very pointed to small compressed files stored on 
> GCS. 



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