Modify algorithm for parameter transformation logic #616
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mbfreder
approved these changes
Sep 12, 2023
deki
reviewed
Sep 18, 2023
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thanks for the fix, I did local build and got positive results. I can confirm fix worked for us. Total request : 157469 Failure rate without fix : 4% |
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Issue #, if available: #573
Description of changes:
Change the way that the parameters are transformed between API GW event and the Servlet request to avoid race condition when using parallel processing while using a HashMap object. Adding a ConcurrentHashMap will likely cause too big of a latency increase, so we move the parallel processing to earlier in the algorithm, and keep the rest simpler.
I added a few comments in the code to make it easier to understand.
We can have a broader discussion about this, and I didn't add any extra test cases. (but I wanted to submit this PR before going on vacation for 10 days)
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