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Posted to dev@sling.apache.org by "Joel Richard (JIRA)" <ji...@apache.org> on 2015/04/08 16:01:12 UTC

[jira] [Created] (SLING-4589) Performance: Read properties lazily in MergedValueMap

Joel Richard created SLING-4589:
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             Summary: Performance: Read properties lazily in MergedValueMap
                 Key: SLING-4589
                 URL: https://issues.apache.org/jira/browse/SLING-4589
             Project: Sling
          Issue Type: Improvement
          Components: ResourceResolver
    Affects Versions: Resource Merger 1.2.8
            Reporter: Joel Richard


About 4% of the rendering time is spent in MergedValueMap in ValueMapDecorator.putAll because the JcrPropertyMap has to be read fully before it can be added. Therefore, I would suggest to lazily read the properties in get(key) and merge them there.

By the way, in my case 202 of 252 times the MergedValueMap is created only with a single value map.

Discussion: http://mail-archives.apache.org/mod_mbox/sling-dev/201504.mbox/%3C5524D90F.7030009%40apache.org%3E 



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