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From "Miroslav Smiljanic (Jira)" <j...@apache.org>
Subject [jira] [Closed] (OAK-9305) Create checkpoint with given revision
Date Thu, 03 Jun 2021 14:54:06 GMT

     [ https://issues.apache.org/jira/browse/OAK-9305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Miroslav Smiljanic closed OAK-9305.
-----------------------------------

> Create checkpoint with given revision
> -------------------------------------
>
>                 Key: OAK-9305
>                 URL: https://issues.apache.org/jira/browse/OAK-9305
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: documentmk
>            Reporter: Marcel Reutegger
>            Assignee: Marcel Reutegger
>            Priority: Minor
>             Fix For: 1.40.0
>
>         Attachments: OAK-9305-create-checkpoint-with-given-revision.patch, OAK-9305.patch
>
>
> Checkpoints are used by async index updates to keep track of what has already been indexed.
When such a checkpoint is removed, either by accident or due to an issue in the code, the
async index update needs to create indexes from scratch. Depending on the size of the repository
this can be an expensive and long running operation. At least for the DocumentNodeStore it
is theoretically possible to create a checkpoint retroactively up to the point where the revision
garbage collector cleans up old changes. By default this is 24 hours.
> This improvement is about adding a method to the DocumentNodeStoreMBean that allows a
user to create a checkpoint with a given revision and lifetime.



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