Experimental changes to IBM JAX-RS runtime base code for caching repeated
requests
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Key: WINK-4
URL: https://issues.apache.org/jira/browse/WINK-4
Project: Wink
Issue Type: Improvement
Reporter: Bryant Luk
Assignee: Bryant Luk
I did some experimental changes this past week to the IBM JAX-RS runtime for
caching calculations done in common operations. Mostly using a
ThreadLocal<LinkedHashMap> LRU cache to store things such as the root resource
class, the method to invoke, and finding readers/writers. The idea was a
faster path for repeated requests (which I imagine most queries are). Chris
provided guidance on what seemed like good targets.
I also did a few bug fixes and made as much of the metadata classes immutable
as possible while I was there.
I would like to discuss some of these possible architectural improvements (i.e.
caching) next week that we can possibly adapt to whatever runtime we choose.
This is not a vote for either runtime, it was just more convenient at the time
since I know more about the IBM code. I don't guarantee that my code changes
were all bug free =) since this was more of a hasty experiment.
I haven't got a chance to really look at the HP runtime to see if these
improvements are applicable but I'll do that after this drop and check it out.
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