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https://jira.nuxeo.com/browse/NXP-6038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=89484#comment-89484
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Benoit Delbosc edited comment on NXP-6038 at 6/22/11 6:22 PM:
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Fixing concurrent update_read_acls for PosgreSQL, and make optimized read acls
efficient on concurrent read/write operations.
See the "Source" tab for list of changeset.
was (Author: bdelbosc):
Fixing concurrent update_read_acls for PosgreSQL, and make optimized read
acls efficient on concurrent read/write operations.
http://hg.nuxeo.org/nuxeo/nuxeo-core/rev/9c2f000760cc
> PostgreSQL read acl optimizations crash under high write concurrency
> --------------------------------------------------------------------
>
> Key: NXP-6038
> URL: https://jira.nuxeo.com/browse/NXP-6038
> Project: Nuxeo Enterprise Platform
> Issue Type: Bug
> Components: Core SQL Storage
> Affects Versions: 5.4
> Reporter: Olivier Grisel
> Assignee: Benoit Delbosc
> Fix For: 5.4.1
>
>
> If asynchronous event listeners create many new documents in the same folder
> concurrently, the call to CoreSession#save() fails randomly throwing the
> exception mentioned in the first comment of this jira issue. Note: care has
> been taken to ensure that the names (local path segments) of the newly
> created documents do not collide.
> Adding:
> <aclOptimizations enabled="false" />
> inside the tag:
> <repository name="default"
> factory="org.nuxeo.ecm.core.storage.sql.ra.PoolingRepositoryFactory">
> <repository name="default">
> [...]
> </repository>
> </repository>
> in the default-repository-config.xml file in a custom configuration template
> makes it possible to workaround the problem.
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