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Date: Thu, 26 Apr 2012 12:40:18 +0000 (UTC)
From: =?utf-8?Q?Michael_D=C3=BCrig_=28JIRA=29?= <jira@apache.org>
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Subject: [jira] [Commented] (OAK-45) Add support for branching and merging
 of private copies to MicroKernel
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    [ https://issues.apache.org/jira/browse/OAK-45?page=3Dcom.atlassian.jir=
a.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D13262566=
#comment-13262566 ]=20

Michael D=C3=BCrig commented on OAK-45:
----------------------------------

I also tried the other implementation. There was no OOME but a severe perfo=
rmance degradation after a couple of 100 commits.
               =20
> Add support for branching and merging of private copies to MicroKernel
> ----------------------------------------------------------------------
>
>                 Key: OAK-45
>                 URL: https://issues.apache.org/jira/browse/OAK-45
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: mk
>            Reporter: Michael D=C3=BCrig
>         Attachments: OAK-45__OOME.patch
>
>
> As discussed on the dev list [1] we should add support to the Microkernel=
 for branching of a private working copy which can be merged back later:
> {code}
> String addLotsOfData(MicroKernel mk) {=20
>     String baseRevision =3D mk.getHeadRevision();=20
>     String branchRevision =3D mk.branch(baseRevision);=20
>     for (int i =3D 0; i < 1000000; i++) {=20
>         branchRevision =3D mk.commit("/", "+\"node" + i + "\":{}",=20
>             branchRevision, null);=20
>     }=20
>     return mk.merge(branchRevision, baseRevision); }=20
> {code}
> [1] http://markmail.org/message/jbbut6vzvmmjqonr

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