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https://issues.apache.org/jira/browse/FELIX-5363?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15517219#comment-15517219
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Karl Pauls commented on FELIX-5363:
-----------------------------------
Hm, maybe I'm reading this wrong but it looks to me like it isn't actually
URLHandlersStreamHandlerProxy.getStreamHandlerService() but rather
URLHandlers.getFrameworkFromContext() which is the culprit (time v.s. own
time). That would make sense to me as it is potentially a expensive call
(depending on what you are doing, you might be able to disable the url handlers
with felix.service.urlhandlers=false but that likely has to many sideeffects).
However, you shouldn't necessarily run into the expensive part of it - are you
running more than one framework at the same time?
.
> new URL(string) suffers under concurrency
> -----------------------------------------
>
> Key: FELIX-5363
> URL: https://issues.apache.org/jira/browse/FELIX-5363
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: framework-5.4.0
> Reporter: Rob Ryan
> Attachments: Merged-callees.csv
>
>
> Under moderate concurrency (25threads) and frequent use of new
> java.net.URL(string) a bottleneck was seen with yourkit. In one test
> involving HTML page generation new URL(url) was seen to take 20% of time (via
> yourkit).
> This was tracked to
> org.apache.felix.framework.URLHandlersStreamHandlerProxy.getStreamHandlerService()
> URLHandlersStreamHandlerProxy.java which accounted for 99% of the time used
> by new URL(url).
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