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Posted to oak-issues@jackrabbit.apache.org by "Davide Giannella (JIRA)" <ji...@apache.org> on 2016/02/08 10:32:40 UTC

[jira] [Closed] (OAK-3892) RDBDocumentStore: StripedNodeDocumentLocks - special case root?

     [ https://issues.apache.org/jira/browse/OAK-3892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davide Giannella closed OAK-3892.
---------------------------------

> RDBDocumentStore: StripedNodeDocumentLocks - special case root?
> ---------------------------------------------------------------
>
>                 Key: OAK-3892
>                 URL: https://issues.apache.org/jira/browse/OAK-3892
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          Components: rdbmk
>    Affects Versions: 1.3.14
>            Reporter: Julian Reschke
>            Assignee: Julian Reschke
>            Priority: Minor
>              Labels: candidate_oak_1_0, candidate_oak_1_2
>             Fix For: 1.3.15
>
>         Attachments: stripes.diff
>
>
> {{StripedNodeDocumentLocks}} currently handles all document IDs the same way.
> I assume that we see a lot of updates on {{0:/}}, though. These updates would be blocked if another different ID fell into the same lock stripe (and was being updated).
> We currently have 4096, so the likelihood isn't that big; on the other hand, a change doesn't seem to be risky.



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