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http://jira.nuxeo.org/browse/NXP-4398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Florent Guillaume updated NXP-4398:
-----------------------------------

    Priority: Major  (was: Minor)

> Optmize read acl update by not rebuilding the full read_acls table
> ------------------------------------------------------------------
>
>                 Key: NXP-4398
>                 URL: http://jira.nuxeo.org/browse/NXP-4398
>             Project: Nuxeo Enterprise Platform
>          Issue Type: Improvement
>    Affects Versions: 5.3 GA
>            Reporter: Benoit Delbosc
>            Assignee: Thierry Delprat
>            Priority: Major
>             Fix For: 5.3.x
>
>   Original Estimate: 4 hours
>  Remaining Estimate: 4 hours
>
> The nx_update_read_acls rebuild the read_acls table that contains all 
> possible read acls, then it update the read acls for new documents:
>   RAISE INFO 'nx_rebuild_read_acls truncate hierarchy_read_acl';
>   TRUNCATE TABLE hierarchy_read_acl;
>   RAISE INFO 'nx_rebuild_read_acls update acl map';
>   INSERT INTO hierarchy_read_acl
>     SELECT id, md5(nx_get_read_acl(id))
>     FROM (SELECT id FROM hierarchy WHERE isproperty='f') AS uids;
> This is fine if you have few dozen of acls, with thousands of acls it takes 
> time.
> A simple optimization is to rebuild this table only if we have new entry with 
> an acls.

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