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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Work logged] (COMPRESS-485) Reproducible Builds: keep entries order when gathering ScatterZipOutputStream content in ParallelScatterZipCreator
Date Thu, 08 Aug 2019 09:21:00 GMT

     [ https://issues.apache.org/jira/browse/COMPRESS-485?focusedWorklogId=291101&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-291101
]

ASF GitHub Bot logged work on COMPRESS-485:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 08/Aug/19 09:20
            Start Date: 08/Aug/19 09:20
    Worklog Time Spent: 10m 
      Work Description: bodewig commented on pull request #79: Pull/78  COMPRESS-485 + Substituting
'synchronized' with faster and fully thread-safe collections 'ConcurrentLinkedDeque' and iterators.
URL: https://github.com/apache/commons-compress/pull/79
 
 
   
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 291101)
    Time Spent: 4h  (was: 3h 50m)

> Reproducible Builds: keep entries order when gathering ScatterZipOutputStream content
in ParallelScatterZipCreator
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: COMPRESS-485
>                 URL: https://issues.apache.org/jira/browse/COMPRESS-485
>             Project: Commons Compress
>          Issue Type: Improvement
>          Components: Archivers
>    Affects Versions: 1.18
>            Reporter: Hervé Boutemy
>            Priority: Major
>             Fix For: 1.19
>
>          Time Spent: 4h
>  Remaining Estimate: 0h
>
> currently, zip files created using ParallelScatterZipCreator have random order.
> This is causing issues when trying to do Reproducible Builds with Maven MNG-6276
> Studying ParallelScatterZipCreator, entries are kept sorted in memory in futures list:
instead of writing each full scatter in sequence, iterating over futures should permit to
write each zip entry in original order, without changing the API or any performance of the
gathering process



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