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https://issues.apache.org/jira/browse/FELIX-2804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard S. Hall closed FELIX-2804.
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Resolution: Won't Fix
Fix Version/s: (was: framework-3.2.0)
I did various experiments including synchronizing the StringBuffer and avoiding
the StringBuffer altogether by just using index calculation. I did significant
improvement with index calculation for a handful of runs, but any significant
number of runs it didn't make a difference. For example, I saw no difference
when starting GF.
> [Framework] Try to improve performance of parseDelimitedString() in manifest
> parser
> -----------------------------------------------------------------------------------
>
> Key: FELIX-2804
> URL: https://issues.apache.org/jira/browse/FELIX-2804
> Project: Felix
> Issue Type: Improvement
> Components: Framework
> Affects Versions: framework-3.0.7
> Reporter: Richard S. Hall
> Priority: Minor
>
> Currently, we are using StringBuffer and appending one character at a time
> while parsing a delimited string. As we discovered when implementing our
> custom manifest parser, such an approach is not really very efficient. It is
> better to keep track of beginning/ending indexes and just extracting strings
> as needed. We should probably do something similar here. It may not offer
> great improvement, but this routine is used to parse pretty long
> import/export headers, so you never know.
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