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https://issues.apache.org/jira/browse/OAK-6781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chetan Mehrotra updated OAK-6781:
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Attachment: OAK-6781-v1.patch
[patch|^OAK-6781-v1.patch] for the same.
It introduces a property {{retainNodeInReindex}}. {{IndexUpdate}} reindex logic
would look for this property on any hidden node in two places
# Deciding when to reindex - {{IndexUpdate}} checks if index definition node
has any hidden node. If no hidden node is present then it considers the index
as fresh index and proceeds to reindex it. This logic would now ignore any
hidden node having {{retainNodeInReindex}} set to true in this flow. So if it
finds all hidden nodes having this property set it would consider the index for
reindex
# Removing hidden nodes while reindexing - Once {{IndexUpdate}} considers any
node for reindex it would skip removing those hidden nodes which have
{{retainNodeInReindex}} set to true
[~catholicon] Please review the patch
> Reindex handling with synchronous lucene property indexes
> ---------------------------------------------------------
>
> Key: OAK-6781
> URL: https://issues.apache.org/jira/browse/OAK-6781
> Project: Jackrabbit Oak
> Issue Type: Technical task
> Components: lucene
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.8
>
> Attachments: OAK-6781-v1.patch
>
>
> Reindex logic needs to be changes to account for presence of synchronous
> lucene property indexes. Currently reindexer would remove all hidden nodes
> which would also include the {{:property-index}} node and that can lead to
> conflict with async indexer where this nodes gets modified during async
> indexer run
> To support that we should provide a way where in reindexing some nodes are
> not removed
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