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From "Julian Reschke (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (OAK-4725) Enable mmap mode by default for migration to SegmentNodeStore
Date Fri, 02 Sep 2016 09:42:20 GMT

    [ https://issues.apache.org/jira/browse/OAK-4725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15458041#comment-15458041
] 

Julian Reschke edited comment on OAK-4725 at 9/2/16 9:41 AM:
-------------------------------------------------------------

With this change, tests fail on Windows with:

{noformat}
Tests in error:
  validateMigration(org.apache.jackrabbit.oak.upgrade.cli.SegmentToJdbcTest): Unable to delete
file: C:\tmp\1472808139548-0\segmentstore\data00000a.tar
{noformat}

Backed out the change in [r1758924|http://svn.apache.org/r1758924] and re-opened the ticket.


was (Author: reschke):
With this change, tests fail on Windows with:

{noformat}
Tests in error:
  validateMigration(org.apache.jackrabbit.oak.upgrade.cli.SegmentToJdbcTest): Unable to delete
file: C:\tmp\1472808139548-0\segmentstore\data00000a.tar
{noformat}

> 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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