Sudden performance drop

[philmes]

Hi,

I'm writing an orchestration server using Netty. I've implemented basic HTTP
proxy support, but when testing performance hit a weird problem.

For the first 14,000 requests I get performance in the region of ~4000
requests a second. After 14,000 requests, performance drops off a cliff. I
get ~400 requests a second subsequently.

Performance only returns to normal once I restart the app.

Everything is driven using futures - I'm not using .await() anywhere.

Does anyone have suggestions for what to investigate?

Phil.



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