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https://issues.apache.org/jira/browse/OAK-3649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15015557#comment-15015557
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Tomek Rękawek commented on OAK-3649:
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Regarding @reschke comment about removing TreeLocks - their advantage is that
we can call {{acquireExclusively}} to lock the parent and all its children. The
only place where this method is actually used is the
{{MongoDocumentStore#queryInternal()}}.
Do you know why do we need to lock the parent document for the whole query,
rather than locking single child documents after receiving the query result?
cc: [~mreutegg]
> Extract node document cache from Mongo and RDB document stores
> --------------------------------------------------------------
>
> Key: OAK-3649
> URL: https://issues.apache.org/jira/browse/OAK-3649
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: documentmk, mongomk, rdbmk
> Reporter: Tomek Rękawek
> Priority: Minor
> Labels: candidate_oak_1_0, candidate_oak_1_2
> Fix For: 1.3.12
>
>
> MongoDocumentStore and RDBDocumentStore contains copy & pasted methods
> responsible for handling node document cache. Extract these into a new
> NodeDocumentCache.
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