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https://issues.apache.org/jira/browse/OAK-924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting resolved OAK-924.
-------------------------------
Resolution: Fixed
This still needed some extra work, see the changes in revision 1563143.
After those changes we're down to pretty good numbers:
{noformat}
# NamespaceTest C min 10% 50% 90% max
N
Jackrabbit 1 5 6 6 6 61
9904
Oak-Default 1 5 5 6 6 39
10682
Oak-Tar 1 13 13 13 14 83
4414
{noformat}
Resolving as fixed.
> Optimize namespace lookups
> --------------------------
>
> Key: OAK-924
> URL: https://issues.apache.org/jira/browse/OAK-924
> Project: Jackrabbit Oak
> Issue Type: Sub-task
> Components: core, jcr
> Reporter: Jukka Zitting
> Assignee: Jukka Zitting
> Labels: performance
> Fix For: 0.16
>
> Attachments: OAK-924-bench.patch, OAK-924-noinit.patch,
> OAK-924-nomaps.patch, OAK-924-v0.patch
>
>
> The current namespace handling code does a lot of repetitive work, which
> shows up in hotspots like XML imports and Sling's namespace mapping code.
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