[jira] [Commented] (OAK-7834) Add a tool to identify super-root nodes

["Francesco Mari (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OAK-7834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16650146#comment-16650146 ] 

Francesco Mari commented on OAK-7834:
-------------------------------------

The first version of the patch implements a {{search}} command that scans the Segment Store for nodes with certain characteristics and prints their record IDs on stdout. Finding the super-root nodes at the moment is a specific solution to the more general problems of finding a node with two children named {{checkpoints}} and {{root}}. For this reason, I opted for a very simple interface to search nodes based on children names, property names, and property values.

For example, finding the super-roots using the heuristic of the children named {{checkpoints}} and {{root}} is equivalent to:

{noformat}
java -jar oak-run.jar search path/to/store -c checkpoints -c root
{noformat}

Moreover, it is possible to find nodes with specific property values. For example, to find every node whose {{jcr:primaryType}} property is set to {{cq:Page}}, a user can invoke:

{noformat}
java -jar oak-run.jar search path/to/store -v jcr:primaryType=cq:Page
{noformat}

[~mduerig], [~dulceanu], [~ahanikel], what do you think?

> Add a tool to identify super-root nodes
> ---------------------------------------
>
>                 Key: OAK-7834
>                 URL: https://issues.apache.org/jira/browse/OAK-7834
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: segment-tar
>            Reporter: Francesco Mari
>            Assignee: Francesco Mari
>            Priority: Major
>             Fix For: 1.10
>
>         Attachments: OAK-7834-01.patch
>
>
> oak-segment-tar should have a tool that allows users to search for super-root nodes.



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