rouille | Web framework in Rust | Reactive Programming library
kandi X-RAY | rouille Summary
kandi X-RAY | rouille Summary
Async I/O, green threads, coroutines, etc. in Rust are still very immature. The rouille library just ignores this optimization and focuses on providing an easy-to-use synchronous API instead, where each request is handled in its own dedicated thread. Even if rouille itself was asynchronous, you would need asynchronous database clients and asynchronous file loading in order to take advantage of it. There are currently no such libraries in the Rust ecosystem. Once async I/O has been figured out, rouille will be (hopefully transparently) updated to take it into account.
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QUESTION
I have a small web-app server written in Rust, the code is available here.
It all functions properly, however after being actively used for "some time", the process CPU usage will be at 100% (as reported by top
) and stay there until it is restarted.
The problem is I cannot work out what is causing this CPU usage, nor how to go about debugging it effectively - mainly as I cannot recreate the CPU usage locally. It occurs on both FreeBSD (where the process was accessed directly) and on the new server running Ubuntu 18.10 (where it was reversed-proxied via Nginx); however I cannot recreate this on my local machine running macOS (possibly due to the OS, but possible just different access
If I run perf record
the report shows this:
ANSWER
Answered 2019-May-17 at 14:10As @ecstaticm0rse spotted in a comment, the issue is within Rouille 3.0.0,
QUESTION
The Rouille hello world example shows how to use the router!
macro for a fixed set of routes.
The following example code illustrates the need to be able to "bootstrap" routes from a database or from pluggable code - which I've currently been able to do with the Iron web framework:
...ANSWER
Answered 2017-Jan-06 at 03:07If you examine the main source of the router
macro, it's long-ish but not supremely complicated:
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