Hi I am wondering, is there any queue mechanism in LUA? The scenario is, SkyWalking filter needs to manipulate header and generate spans. But the span should be sent in the async mode(not blocking the original request) for better performance. I notice there is the Coroutine mechanism, is this suitable for this?
Sheng Wu 吴晟 Twitter, wusheng1108 Ming Wen <[email protected]> 于2020年2月19日周三 下午6:14写道： > > Currently, I want to use skywalking-nginx-lua repo to host the codes. > WDYT? > > looks good to me. > > > We haven't, but I think that is not so hard. About gRPC and HTTP, what do > > you prefer? Or is there a gRPC-LUA lib? We are considering > Jetty+REST/JSON or gRPC-web. > > From the perspective of nginx-lua, HTTP will be easier to implement because > nginx-lua does not yet have http2 and grpc client libraries :( > Nginx-lua only supports grpc proxy now. > > Thanks, > Ming Wen, Apache APISIX > Twitter: _WenMing > > > Sheng Wu <[email protected]> 于2020年2月19日周三 下午4:57写道： > > > HI Ming Wen > > > > I am/was a member of OpenTracing core team, but the status of that OSS > > community is not good. > > I don't want any direct link, especially API level dependency on that. > > > > Currently, I want to use skywalking-nginx-lua repo to host the codes. > WDYT? > > > > > Is there a draft implementation already? The skywalking-nginx-lua will > be > > > implemented by HTTP not gRPC, right? > > > > We haven't, but I think that is not so hard. About gRPC and HTTP, what do > > you prefer? Or is there a gRPC-LUA lib? We are considering > Jetty+REST/JSON > > or gRPC-web. > > > > Sheng Wu 吴晟 > > Twitter, wusheng1108 > > > > > > Ming Wen <[email protected]> 于2020年2月19日周三 下午1:58写道： > > > > > Hi, Sheng Wu, > > > That's really good news for me. > > > > > > Apache APISIX has a Zipkin plugin[1] based on opentracing-openresty[2], > > but > > > not good enough for SkyWalking. > > > > > > IMO, we can implement skywalking-nginx-lua in a separate repo first > using > > > opentracing-openresty[2], then add skywalking plugin in APISIX. > > > > > > Is there a draft implementation already? The skywalking-nginx-lua will > be > > > implemented by HTTP not gRPC, right? > > > > > > [1] > > > > > > > > > https://github.com/apache/incubator-apisix/blob/master/lua/apisix/plugins/zipkin.lua > > > [2] https://github.com/iresty/opentracing-openresty > > > > > > Thanks, > > > Ming Wen, Apache APISIX > > > Twitter: _WenMing > > > > > > > > > Sheng Wu <[email protected]> 于2020年2月19日周三 上午10:53写道： > > > > > > > Forward to SkyWalking dev. > > > > FYI. > > > > > > > > Sheng Wu 吴晟 > > > > Twitter, wusheng1108 > > > > > > > > > > > > Sheng Wu <[email protected]> 于2020年2月19日周三 上午10:43写道： > > > > > > > > > Hi APISIX dev team > > > > > > > > > > I am Sheng Wu, from SkyWalking PMC team. > > > > > Right now, I am investing the possibility of providing native > agents > > in > > > > > different languages(maybe) for the proxy solution, such as > > Envoy-WASM, > > > > > APISIX/Nginx. > > > > > > > > > > As APISIX is the native extension of Nginx, I hope I could get some > > > ideas > > > > > from you. > > > > > I noticed there is a Zipkin implementation or OpenTracing one? But > > > sadly, > > > > > either of them are not good enough for SkyWalking backend to fit > the > > > APM > > > > > field, we need to do more. > > > > > > > > > > Could you give me some guides about where should I start? Are the > > APIs > > > > > related to APISIX directly or I should use Nginx LUA API? > > > > > And where should I host these new codes? Should I release on > > > > > skywalking-apisix-lua(for example) or inside the apisix repo. > > > > > > > > > > Sheng Wu 吴晟 > > > > > Twitter, wusheng1108 > > > > > > > > > > > > > > >
