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Posted to oak-issues@jackrabbit.apache.org by "Julian Reschke (JIRA)" <ji...@apache.org> on 2016/11/10 09:45:00 UTC
[jira] [Updated] (OAK-4379) Batch mode for SyncMBeanImpl
[ https://issues.apache.org/jira/browse/OAK-4379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Julian Reschke updated OAK-4379:
--------------------------------
Fix Version/s: 1.6
> Batch mode for SyncMBeanImpl
> ----------------------------
>
> Key: OAK-4379
> URL: https://issues.apache.org/jira/browse/OAK-4379
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: auth-external
> Reporter: angela
> Assignee: angela
> Labels: performance
> Fix For: 1.6, 1.5.3
>
> Attachments: OAK-4379.patch
>
>
> the {{SyncMBeanImpl}} currently calls {{Session.save()}} for every single sync, which IMO make the synchronization methods extra expensive.
> IMHO we should consider introducing a batch mode that reduces the number of save calls. the drawback of this was that the complete set of sync-calls withing a given batch would succeed or fail. in case of failure the 'original' sync-result would need to be replaced by one with operation status 'ERR'.
> now that we have the basis for running benchmarks for the {{SyncMBeanImpl}}, we should be able to verify if this proposal actually has a positive impact (though benchmark results from OAK-4119 and OAK-4120 seem to indicate that this is the case).
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