Chetan Mehrotra commented on OAK-6081:

Documented now at 

> Indexing tooling via oak-run
> ----------------------------
>                 Key: OAK-6081
>                 URL: https://issues.apache.org/jira/browse/OAK-6081
>             Project: Jackrabbit Oak
>          Issue Type: New Feature
>          Components: indexing, run
>            Reporter: Chetan Mehrotra
>            Assignee: Chetan Mehrotra
>             Fix For: 1.8
> To enable better management for indexing related operation specially around 
> reindexing indexes on large repository setup we should implement some tooling 
> as part of oak-run 
> The tool would support
> # *Resumable tarversal* - It should be able to reindex large repo with 
> resumable traversal such that even if indexing breaks due to some issue it 
> can resume from last state (OAK-5833)
> # *Multithreaded traversal* - Current indexing is single threaded and hence 
> for large repo it can take long time. Plan here is to support multi threaded 
> indexing where each thread can be assigned a part of repository tree to index 
> and in the end the indexes are merged
> # For DocumentNodeStore setup it would be possible to connect oak-run to a 
> live cluster and it would take care of indexing -> storing index on disk -> 
> merging index ->  importing it back at end. This would ensure that live setup 
> faces minimum disruption and is not loaded much
> # For SegementNodeStore setup it would be possible to index on a cloned setup 
> and then provide  a way to copy the index back

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