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https://issues.apache.org/jira/browse/OAK-4725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Reschke updated OAK-4725:
--------------------------------
    Description: 
Currently in {{MigrationOptions}} in upgrade code the mmap option is only 
enabled if explicitly enabled. 

Given it provides much better migration speed it would be better to enable it 
by default (at least for non windows platforms) and provide a way to disable it 
by option. This would ensure that migration uses most suitable options per 
default

  was:
Currently in {{MigrationOptions}} in upgrade code the mmap option is only 
enable if explicitly enabled. 

Given it provides much better migration speed it would be better to enable it 
by default (at least for non windows platforms) and provide a way to disable it 
by option. This would ensure that migration uses most suitable options per 
default


> Enable mmap mode by default for migration to SegmentNodeStore
> -------------------------------------------------------------
>
>                 Key: OAK-4725
>                 URL: https://issues.apache.org/jira/browse/OAK-4725
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: upgrade
>            Reporter: Chetan Mehrotra
>            Assignee: Tomek Rękawek
>            Priority: Minor
>             Fix For: 1.6, 1.5.10
>
>
> Currently in {{MigrationOptions}} in upgrade code the mmap option is only 
> enabled if explicitly enabled. 
> Given it provides much better migration speed it would be better to enable it 
> by default (at least for non windows platforms) and provide a way to disable 
> it by option. This would ensure that migration uses most suitable options per 
> default



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