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HTTP traffic metrics issue #1706

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Pickausernaame opened this issue Feb 27, 2025 · 8 comments
Open

HTTP traffic metrics issue #1706

Pickausernaame opened this issue Feb 27, 2025 · 8 comments

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@Pickausernaame
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Hi, Beyla team!
Thx for your product - it's fire!

First I experimented with the latest version in a docker setup. And I found that in some situations GRPC Inbound/Outbound requests do not match between services. Then I looked at the commit history in the main branch and found that there were changes that fixed this problem. I tried running the beyla container with the version of main - this problem was solved!

However, then I found that after running beyla with the main version, the metrics for HTTP traffic were not collected correctly.

Image

How I start beyla:

 docker run -d --rm  -e BEYLA_OPEN_PORT="9013,9001,9016,9210,9008,9020,9211,49200,9007,9092,9093,9997"   -e BEYLA_TRACE_PRINTER=text   -e BEYLA_PROMETHEUS_PORT=19999 -p 19999:19999 --pid host  --privileged --name beyla  grafana/beyla:main

Maybe I'm doing something wrong?

@grcevski
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Hi Toni,

I see that you are already using the BEYLA_TRACE_PRINTER=text environment variable, can you show us what's happening in your output? Or maybe there's an error starting the instrumentation depending on the kernel version, if you can share the standard output of your Beyla docker running, we should be able to determine what's wrong.

Thanks a bunch!

@Pickausernaame
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Hi, Nikola!
Kernel version: 6.8.0-54-generic

STD output beyla:main:

time=2025-02-27T15:05:15.991Z level=INFO msg="Grafana Beyla" Version=main Revision=241e11f "OpenTelemetry SDK Version"=1.34.0
time=2025-02-27T15:05:16.994Z level=INFO msg="starting Beyla in Application Observability mode"
time=2025-02-27T15:05:16.994Z level=INFO msg="using hostname" component=traces.ReadDecorator function=instance_ID_hostNamePIDDecorator hostname=6304628b2e3c
time=2025-02-27T15:05:16.995Z level=INFO msg="Starting main node" component=beyla.Instrumenter
time=2025-02-27T15:05:16.995Z level=INFO msg="opening prometheus scrape endpoint" component=connector.PrometheusManager port=19999 path=/metrics
time=2025-02-27T15:05:17.580Z level=INFO msg="instrumenting process" component=discover.TraceAttacher cmd=/r5r-dsp pid=1 ino=8020499 type=go
2025-02-26 09:15:08.2269158 (0s[0s]) ProcessAlive 0   [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[]
2025-02-27 15:05:18.2273518 (1.925531ms[1.925531ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-35f4d7d6cb78713b114a32346f4add49-788a4b3ecd2ba69e[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (1.401645ms[1.401645ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-a17c7eb8db166f1fa4b8237d070626c2-f22ed22d6c7de3e8[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (2.8629ms[2.8629ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-249d3fec59653b9f70cef8935fc018d9-cf17a3f022237a69[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (2.302964ms[2.302964ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-46e2b75fd168b98fbcddd42d9ef84a96-88ab86f4d747ac5b[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (5.617869ms[5.617869ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-8da0726121cb876e2fb45b143c5fb60f-9d1c7fbabeb5cd29[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (4.510648ms[4.510648ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-e3622c29b02691d6c07724f0186aa105-299d8416d13b4357[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (5.310735ms[5.310735ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-9fbf3b579b2d0a9be1628eaac2c8296e-2aa6d8147e25921e[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (5.161924ms[5.161924ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-f303263ae4e93c132194e94ece1682c9-e4a2dd04df6b61c5[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (5.248666ms[5.248666ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-95097d078d61b2bf0a9abd048e608048-9096f0b68758ddcc[0000000000000000]-01]
2025-02-27 15:05:18.2273518 (2.642978ms[2.642978ms]) GRPCClient 0  /rotator_auction.Service/RequestBid [ as :0]->[ as :0] size:0B svc=[r5r-dsp go] traceparent=[00-bf07ccca86d9199e4748dc2c3aff9116-112c03601072c8fd[0000000000000000]-01]

STD output beyla:latest:

time=2025-02-27T15:07:52.163Z level=INFO msg="Grafana Beyla" Version=unset Revision=unset "OpenTelemetry SDK Version"=1.32.0
time=2025-02-27T15:07:53.166Z level=INFO msg="starting Beyla in Application Observability mode"
time=2025-02-27T15:07:53.166Z level=INFO msg="using hostname" component=traces.ReadDecorator function=instance_ID_hostNamePIDDecorator hostname=623c6b51fd7b
time=2025-02-27T15:07:53.167Z level=INFO msg="Starting main node" component=beyla.Instrumenter
time=2025-02-27T15:07:53.167Z level=INFO msg="opening prometheus scrape endpoint" component=connector.PrometheusManager port=19999 path=/metrics
time=2025-02-27T15:07:53.749Z level=INFO msg="instrumenting process" component=discover.TraceAttacher cmd=/r5r-dsp pid=1 ino=8020499 type=generic
2025-02-26 09:15:08.2269158 (0s[0s]) ProcessAlive 0   [ as :0]->[ as :0] size:0B svc=[r5r-dsp generic] traceparent=[]
2025-02-27 15:07:54.2273754 (309.113µs[309.113µs]) HTTP 400 POST /api/v2/dsp/bidrequest/D9hSfpZrkU0hWPfYxKKF5H4bnFbux870 [10.10.200.205 as 10.10.200.205:16432]->[10.10.200.1 as 10.10.200.1:9013] size:512B svc=[r5r-dsp generic] traceparent=[00-6ef3f7cd9fa7a2e4a9c054c8db4328fb-220b8784a2edde01[0000000000000000]-01]
2025-02-27 15:07:54.2273754 (198.772µs[198.772µs]) HTTP 400 POST /api/v2/dsp/bidrequest/aOxJBtQQsu6oaR0hOhHjcXwqBTsv94p9 [10.10.200.203 as 10.10.200.203:14184]->[10.10.200.1 as 10.10.200.1:9013] size:512B svc=[r5r-dsp generic] traceparent=[00-a50f70fc447322de74d4558e5eb7730e-17f98f356294bb25[0000000000000000]-01]
2025-02-27 15:07:54.2273754 (182.672µs[182.672µs]) HTTP 400 POST /api/v2/dsp/bidrequest/D9hSfpZrkU0hWPfYxKKF5H4bnFbux870 [10.10.200.216 as 10.10.200.216:43862]->[10.10.200.1 as 10.10.200.1:9013] size:512B svc=[r5r-dsp generic] traceparent=[00-8cc77ed33c0d0d48c1cfbbd68317f41d-c9a489a6b71108a3[0000000000000000]-01]
2025-02-27 15:07:54.2273754 (2.259874ms[2.259874ms]) HTTP 204 POST /api/v2/dsp/bidrequest/0AUN6IKu98sWrIu9VqmI9nAJZbVWmZmb [10.10.200.231 as 10.10.200.231:47866]->[10.10.200.1 as 10.10.200.1:9013] size:512B svc=[r5r-dsp generic] traceparent=[00-259f06430ebce1dcd316f6c758172376-d2e38ba040967976[0000000000000000]-01]
2025-02-27 15:07:54.2273754 (157.512µs[157.512µs]) HTTP 400 POST /api/v2/dsp/bidrequest/D9hSfpZrkU0hWPfYxKKF5H4bnFbux870 [10.10.200.211 as 10.10.200.211:60462]->[10.10.200.1 as 10.10.200.1:9013] size:512B svc=[r5r-dsp generic] traceparent=[00-3a7a49a7c09f384cc65bb0f370c5cc79-9a037d9a4d13b76f[0000000000000000]-01]

@grcevski
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Ah thanks, I think I see what happened. We used to recognise this application as Generic, but now we recognise it as Go. I'm assuming it's a Go application or am I wrong? We have another fix in main related to stripped binaries support for Go, which might've changed this.

Do you mind re-running the main branch with an additional environment variable BEYLA_LOG_LEVEL=debug and sharing the output with us? In there we'll print a lot more information about what we found in the binary and it will tell us why we couldn't find the instrumentation points for HTTP.

@Pickausernaame
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Yes, it is a go 1.21 application that handles incoming http traffic using the Fiber framework.

STD out beyla:main with BEYLA_LOG_LEVEL=debug option:

time=2025-02-27T16:41:57.737Z level=INFO msg="Grafana Beyla" Version=main Revision=241e11f "OpenTelemetry SDK Version"=1.34.0
time=2025-02-27T16:41:57.737Z level=DEBUG msg="trying to fetch host ID" component=ContextInfo func=fetchHostID fetcher=AWS
time=2025-02-27T16:41:58.238Z level=DEBUG msg="didn't get host ID" component=ContextInfo func=fetchHostID fetcher=AWS cause="timed out waiting for host ID connection"
time=2025-02-27T16:41:58.239Z level=DEBUG msg="trying to fetch host ID" component=ContextInfo func=fetchHostID fetcher=Azure
time=2025-02-27T16:41:58.739Z level=DEBUG msg="didn't get host ID" component=ContextInfo func=fetchHostID fetcher=Azure cause="timed out waiting for host ID connection"
time=2025-02-27T16:41:58.739Z level=DEBUG msg="trying to fetch host ID" component=ContextInfo func=fetchHostID fetcher=GCP
time=2025-02-27T16:41:58.740Z level=DEBUG msg="didn't get host ID" component=ContextInfo func=fetchHostID fetcher=GCP cause="can't find host.id in []"
time=2025-02-27T16:41:58.741Z level=DEBUG msg="trying to fetch host ID" component=ContextInfo func=fetchHostID fetcher=KubeNode
time=2025-02-27T16:41:58.741Z level=DEBUG msg="didn't get host ID" component=ContextInfo func=fetchHostID fetcher=KubeNode cause="kubernetes is not enabled"
time=2025-02-27T16:41:58.741Z level=DEBUG msg="trying to fetch host ID" component=ContextInfo func=fetchHostID fetcher=local
time=2025-02-27T16:41:58.741Z level=DEBUG msg="didn't get host ID" component=ContextInfo func=fetchHostID fetcher=local cause="can't read host ID: open /var/lib/dbus/machine-id: no such file or directory"
time=2025-02-27T16:41:58.741Z level=DEBUG msg="falling back to local host ID. This might be inaccurate in containerized systems" component=ContextInfo func=fetchHostID
time=2025-02-27T16:41:58.741Z level=DEBUG msg="not reporting internal metrics"
time=2025-02-27T16:41:58.741Z level=INFO msg="starting Beyla in Application Observability mode"
time=2025-02-27T16:41:58.741Z level=DEBUG msg="Linux kernel version" component=go.Tracer major=6 minor=8
time=2025-02-27T16:41:58.741Z level=DEBUG msg="checking kernel lockdown mode, [none] allows us to propagate trace context" component=ebpf.ProcessTracer
time=2025-02-27T16:41:58.741Z level=DEBUG msg="can't find /sys/kernel/security/lockdown, assuming no lockdown" component=ebpf.ProcessTracer
time=2025-02-27T16:41:58.741Z level=DEBUG msg="Kernel not in lockdown mode, Go trace context propagation at library level is supported." component=go.Tracer
time=2025-02-27T16:41:58.741Z level=DEBUG msg="creating instrumentation pipeline" component=beyla.Instrumenter
time=2025-02-27T16:41:58.741Z level=DEBUG msg="starting criteria matcher node" component=discover.CriteriaMatcher
time=2025-02-27T16:41:58.741Z level=DEBUG msg="loading independent eBPF program" component=ebpf.ProcessTracer
time=2025-02-27T16:41:58.741Z level=DEBUG msg="found FQDN hosts" component=HostnameResolver hosts=[cadd5b78273d]
time=2025-02-27T16:41:58.741Z level=DEBUG msg="Notifying observers" component=HostnameResolver change=2
time=2025-02-27T16:41:58.741Z level=INFO msg="using hostname" component=traces.ReadDecorator function=instance_ID_hostNamePIDDecorator hostname=cadd5b78273d
time=2025-02-27T16:41:58.742Z level=DEBUG msg="registering Prometheus metrics collectors" component=connector.PrometheusManager len=13 port=19999 path=/metrics
time=2025-02-27T16:41:58.742Z level=INFO msg="Starting main node" component=beyla.Instrumenter
time=2025-02-27T16:41:58.742Z level=INFO msg="opening prometheus scrape endpoint" component=connector.PrometheusManager port=19999 path=/metrics
time=2025-02-27T16:41:59.155Z level=DEBUG msg="going to add kprobe to function" component=ebpf.Instrumenter probes=kprobes function=sys_bind probes="{Required:true Start:Kprobe(beyla_kprobe_sys_bind)#12 End:<nil> StartOffset:0 ReturnOffsets:[]}"
time=2025-02-27T16:41:59.161Z level=DEBUG msg="start reading and forwarding" component=watcher.Tracer
time=2025-02-27T16:41:59.162Z level=DEBUG msg="starting to read ring buffer" component=watcher.Tracer
time=2025-02-27T16:41:59.305Z level=DEBUG msg="Executable ready" component=discover.ProcessWatcher path=/r5r-dsp pid=1 port=9013
time=2025-02-27T16:41:59.305Z level=DEBUG msg="Executable ready" component=discover.ProcessWatcher path=/beyla pid=820 port=33254
time=2025-02-27T16:41:59.305Z level=DEBUG msg="new process watching events" component=discover.ProcessWatcher interval=5s events="[{Type:0 Obj:{pid:1 openPorts:[9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 52050 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 22614 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 43378 9013 9013 43084 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9013 9014 40770 9014] metadata:map[] podLabels:map[]}} {Type:0 Obj:{pid:820 openPorts:[33254 33260 33274 33238 19999] metadata:map[] podLabels:map[]}}]"
time=2025-02-27T16:41:59.305Z level=DEBUG msg="filtering processes" component=discover.CriteriaMatcher len=2
time=2025-02-27T16:41:59.306Z level=DEBUG msg="checking exclusion criteria" component=discover.CriteriaMatcher pid=1 comm=/r5r-dsp
time=2025-02-27T16:41:59.306Z level=DEBUG msg="executable path does not match" component=discover.CriteriaMatcher pid=1 exe=/r5r-dsp path={re:0xc0007a6460} pathregexp={re:<nil>}
time=2025-02-27T16:41:59.306Z level=DEBUG msg="found process" component=discover.CriteriaMatcher pid=1 comm=/r5r-dsp metadata=map[] podLabels=map[]
time=2025-02-27T16:41:59.306Z level=DEBUG msg="open ports do not match" component=discover.CriteriaMatcher pid=820 exe=/beyla openPorts="{Ranges:[{Start:9013 End:0}]}"
time=2025-02-27T16:41:59.306Z level=DEBUG msg="processes matching selection criteria" component=discover.CriteriaMatcher len=1
time=2025-02-27T16:41:59.306Z level=DEBUG msg="Found namespace" component=pids.Tracer nsPid=pid:[4026532543]
time=2025-02-27T16:41:59.306Z level=DEBUG msg="getting instrumentable information" component=discover.ExecTyper pid=1 comm=/r5r-dsp
time=2025-02-27T16:41:59.306Z level=DEBUG msg=inspecting component=discover.ExecTyper pid=1 comm=/r5r-dsp
time=2025-02-27T16:41:59.306Z level=DEBUG msg="searching for instrumentation points" component=goexec.instructions functions="[github.com/segmentio/kafka-go.(*Writer).WriteMessages golang.org/x/net/http2.(*ClientConn).RoundTrip net/http.(*http2ClientConn).RoundTrip net/http.(*conn).serve database/sql.(*DB).queryDC google.golang.org/grpc/internal/transport.(*http2Server).writeStatus google.golang.org/grpc.(*clientStream).RecvMsg google.golang.org/grpc/internal/transport.(*http2Client).NewStream github.com/segmentio/kafka-go.(*Client).roundTrip github.com/segmentio/kafka-go.(*reader).read github.com/IBM/sarama.(*Broker).sendInternal net/http.(*http2Framer).WriteHeaders golang.org/x/net/http2.(*serverConn).processHeaders google.golang.org/grpc/internal/transport.(*http2Server).WriteStatus net/http.Header.writeSubset net/http.serverHandler.ServeHTTP net/textproto.(*Reader).readContinuedLineSlice net/http.(*http2serverConn).processHeaders database/sql.(*DB).execDC github.com/redis/go-redis/v9.(*baseClient)._process github.com/redis/go-redis/v9.(*baseClient).pipelineProcessCmds github.com/IBM/sarama.(*responsePromise).handle runtime.newproc1 runtime.goexit1 net/http.(*response).WriteHeader google.golang.org/grpc.(*ClientConn).Close google.golang.org/grpc/internal/transport.(*http2Server).operateHeaders github.com/segmentio/kafka-go/protocol.RoundTrip github.com/IBM/sarama.(*Broker).write github.com/Shopify/sarama.(*Broker).sendInternal golang.org/x/net/http2.(*Framer).WriteHeaders golang.org/x/net/http2.(*ClientConn).roundTrip golang.org/x/net/http2.(*responseWriterState).writeHeader net/http.(*http2serverConn).runHandler github.com/redis/go-redis/v9/internal/pool.(*Conn).WithWriter github.com/redis/go-redis/v9.(*baseClient).txPipelineProcessCmds github.com/Shopify/sarama.(*responsePromise).handle github.com/segmentio/kafka-go.(*reader).sendMessage golang.org/x/net/http2.(*serverConn).runHandler net.(*netFD).Read net/http.(*persistConn).roundTrip google.golang.org/grpc.(*Server).handleStream google.golang.org/grpc.(*ClientConn).Invoke google.golang.org/grpc.(*clientStream).CloseSend google.golang.org/grpc/internal/transport.(*serverHandlerTransport).HandleStreams github.com/Shopify/sarama.(*Broker).write net/http.(*conn).readRequest net/http.(*http2ClientConn).roundTrip github.com/segmentio/kafka-go.(*Writer).produce net/http.(*Transport).roundTrip net/http.(*http2responseWriterState).writeHeader google.golang.org/grpc.(*ClientConn).NewStream]"
time=2025-02-27T16:41:59.321Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=runtime.goexit1 offsets="{Start:307712 Returns:[307842]}"
time=2025-02-27T16:41:59.322Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=runtime.newproc1 offsets="{Start:313472 Returns:[314447]}"
time=2025-02-27T16:41:59.322Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=runtime.goexit1 offsets="{Start:514112 Returns:[]}"
time=2025-02-27T16:41:59.323Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net.(*netFD).Read offsets="{Start:2510304 Returns:[2510485]}"
time=2025-02-27T16:41:59.324Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/textproto.(*Reader).readContinuedLineSlice offsets="{Start:4145792 Returns:[4146084 4146097 4146113 4146159 4146959 4146992 4147262]}"
time=2025-02-27T16:41:59.324Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.(*http2Framer).WriteHeaders offsets="{Start:4346624 Returns:[4347795 4347815 4347835]}"
time=2025-02-27T16:41:59.324Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.(*http2serverConn).processHeaders offsets="{Start:4401760 Returns:[4402006 4402029 4402042 4402226 4402305 4402573 4403260 4403275 4403315 4403355]}"
time=2025-02-27T16:41:59.324Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.(*http2serverConn).runHandler offsets="{Start:4414560 Returns:[4414787 4414798]}"
time=2025-02-27T16:41:59.324Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.(*http2responseWriterState).writeHeader offsets="{Start:4424480 Returns:[4424903 4425056 4425757]}"
time=2025-02-27T16:41:59.324Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.(*http2ClientConn).RoundTrip offsets="{Start:4454208 Returns:[4455363 4455411 4455438 4455531 4455611]}"
time=2025-02-27T16:41:59.325Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.Header.writeSubset offsets="{Start:4519872 Returns:[4520320 4521381]}"
time=2025-02-27T16:41:59.325Z level=DEBUG msg="found relevant function for instrumentation" component=goexec.instructions function=net/http.(*conn).readRequest offsets="{Start:4587264 Returns:[4587831 4588457 4588667 4588795 4588872 4589891 4590154 4590382 4590587 4590693]}"

@grcevski
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OK that explains it. We don't have support for Go fiber yet, so it's not adding the HTTP hooks as it should. Previously it worked because we incorrectly identified it as generic executable, so we resorted to generic HTTP support.

If you are after metrics only please try BEYLA_SKIP_GO_SPECIFIC_TRACERS=1 as environment variable until we add Go fiber support.

There's an open issue for this #1039.

@Pickausernaame
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Interesting. I ran beyla:main with BEYLA_SKIP_GO_SPECIFIC_TRACERS=1 and now the HTTP traffic metrics are now correct, but the gRPC traffic is again lower than it should be :)

Image

@grcevski
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grcevski commented Feb 28, 2025

Thanks for the update. There could be two possible reasons for the RPC discrepancy:

  1. Without Go support we don't see the switch between what the Goroutines are doing and we may be considering multiple requests as one.
  2. We might be decoding wrong some gRPC events and we miss some of them.

The main branch has a debug switch to help us debug protocol issues like these, do you mind trying setting BEYLA_PROTOCOL_DEBUG_PRINT=true and sharing the standard output? It will print any protocol information that wasn't captured correctly as gRPC.

This option should be used together with BEYLA_SKIP_GO_SPECIFIC_TRACERS.

Thanks!

@Pickausernaame
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Pickausernaame commented Feb 28, 2025

May by I should grep it? STD output with these two options:

time=2025-02-28T14:33:05.397Z level=INFO msg="Grafana Beyla" Version=main Revision=241e11f "OpenTelemetry SDK Version"=1.34.0
time=2025-02-28T14:33:06.400Z level=INFO msg="starting Beyla in Application Observability mode"
time=2025-02-28T14:33:06.400Z level=INFO msg="using hostname" component=traces.ReadDecorator function=instance_ID_hostNamePIDDecorator hostname=c963f0ae4bfd
time=2025-02-28T14:33:06.401Z level=INFO msg="Starting main node" component=beyla.Instrumenter
time=2025-02-28T14:33:06.401Z level=INFO msg="opening prometheus scrape endpoint" component=connector.PrometheusManager port=19999 path=/metrics
time=2025-02-28T14:33:11.753Z level=INFO msg="instrumenting process" component=discover.TraceAttacher cmd=/rotator pid=4239 ino=8273714 type=generic
2025-02-26 09:15:08.2269158 (0s[0s]) ProcessAlive 0   [ as :0]->[ as :0] size:0B svc=[rotator generic] traceparent=[]
[>] [2 3 0 0 0 0 0 22 22 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
[<] [2 3 0 0 0 0 0 74 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 11 125 97 162 215 12 75 131 205 66 191 122 222 98 37 116 71 149 84 42 0 0 0 7 1 0 0 3 99 102 99]
[>] [0 0 4 8 0 0 0 0 0 0 0 81 59 0 0 8 6 0 0 0 0 0 2 4 16 16 9 14 7 7]
[<] [0 0 4 8 0 0 0 0 0 0 0 12 8 0 0 8 6 0 0 0 0 0 2 4 16 16 9 14 7 7 0 0 2 1 4 0 4 171 73 136 194 0 10 133 0 0 0 4 171 73 0 0 0 10 128 10 248 20 24 225 160 10 82 241 20 18 36 52 49 56 54 51 48 50 51 45 102 100 55 102 45 52 101 99 53 45 57 98 97 52 45 99 55 56 99 50 54 55 57 99 55 55 51 34 3 85 83 68 50 195 20 34 192 20 42 36 49 53 49 54 97 102 52 99 45 102 48 48]
[>] [0 0 8 6 1 0 0 0 0 2 4 16 16 9 14 7 7 0 0 4 8 0 0 0 0 0 0 0 0 15 0 0 8 6 0 0 0 0 0 2 4 16 16 9 14 7 7 0 0 8 1 4 0 0 85 161 131 134 195 194 193 192 191 190 0 1 120 0 1 0 0 85 161 0 0 0 1 115 10 7 32 1 40 125 48 169 24 18 4 8 7 16 2 26 11 10 2 78 76 32 143 185 251 2 48 40 48 4 58 11 8 1 17 193 167 57 121 145 9 188 63 66 20 49 50 54 49 52 53 49 49 52 53 50 55 56 51 56 57 50 49 57 57 74 3 117 103 99 80 169 146 135 190 6 106 1 31 114 5 97 100 117 108 116 160 1 1 194 1 62 104 116 116 112 115 58 47 47 107 111 111 107 112 111 114 110 46 99 111 109 47 118 105 101 119 47 51 49 51 57 49 56 49 53 47 118 105 110 116 97 103 101 46 112 104 112 63 107 61 54 55 99 49 99 55 55 102 53 100 57 55 48 202 1 12 107 111 111 107 112 111 114 110 46 99 111 109 208 1 232 41 216 1 195 136 4]
[<] [0 0 2 1 4 0 0 85 153 136 192 0 0 5 0 0 0 0 85 153 0 0 0 0 0 0 0 2 1 4 0 0 85 41 136 192 0 0 5 0 0 0 0 85 41 0 0 0 0 0 0 0 2 1 5 0 0 85 153 191 190 0 0 2 1 5 0 0 85 41 191 190 0 0 2 1 4 0 0 85 45 136 192 0 0 5 0 0 0 0 85 45 0 0 0 0 0 0 0 2 1 5 0 0 85 45 191 190 0 0 2 1 4 0 0 85 157 136 192 0 0 5 0 0 0 0 85 157]
[>] [0 0 8 1 4 0 0 85 163 131 134 195 194 193 192 191 190 0 1 162 0 1 0 0 85 163 0 0 0 1 157 10 7 32 1 40 125 48 227 22 18 4 8 7 16 2 26 21 10 2 85 83 32 170 250 224 136 1 48 40 58 7 117 115 46 97 116 38 116 48 1 58 29 8 1 17 0 0 0 0 0 0 224 63 25 0 0 0 0 0 0 224 63 33 0 0 0 0 0 0 224 63 66 36 52 54 56 53 97 98 101 48 45 55 49 100 102 45 54 49 54 102 45 97 99 57 54 45 56 99 49 49 52 102 54 48 49 55 102 101 74 3 117 103 99 80 169 146 135 190 6 106 1 31 202 1 14 112 111 114 110 111 109 97 110 105 97 46 102 117 110 208 1 224 80 216 1 199 214 3 152 2 2 226 2 168 1 8 1 32 41 40 243 213 2 64 11 82 139 1 77 111 122 105 108 108 97 47 53 46 48 32 40 105 80 104 111 110 101 59 32 67 80 85 32 105 80 104 111 110 101 32 79 83 32 49 56 95 49 95 49 32 108 105 107 101 32 77 97 99 32 79 83 32 88 41]
[<] [0 0 2 1 4 0 0 85 151 136 192 0 0 5 0 0 0 0 85 151 0 0 0 0 0 0 0 2 1 5 0 0 85 151 191 190]
[>] [0 0 8 1 4 0 4 171 151 131 134 195 194 193 192 191 190 0 3 55 0 1 0 4 171 151 0 0 0 3 50 10 70 48 186 6 82 63 1 2 3 4 8 10 11 12 13 14 15 16 17 19 21 23 25 27 34 35 47 55 67 76 81 90 101 104 105 109 113 114 115 148 1 149 1 150 1 152 1 161 1 162 1 236 1 249 1 253 1 255 1 128 2 166 2 169 2 203 2 205 2 90 0 26 55 10 2 73 84 16 232 12 32 219 252 148 2 48 70 58 4 119 105 110 100 66 2 73 84 82 5 73 116 97 108 121 90 14 69 109 105 108 105 97 45 82 111 109 97 103 110 97 98 6 67 101 115 101 110 97 34 94 24 1 82 7 68 101 115 107 116 111 112 90 5 65 112 112 108 101 98 6 83 97 102 97 114 105 106 5 109 97 99 79 83 114 5 49 48 46 49 53 122 14 50 48 50 52 95 115 101 112 116 101 109 98 101 114 130 1 1 48 138 1 6 83 97 102 97 114 105 146 1 4 49 56 46 51 154 1 15 115 97 102 97 114 105 95 49 56 95 48 95 109 97 99]
[<] [0 0 2 1 4 0 4 171 151 136 194 0 0 40 0 0 0 4 171 151 0 0 0 0 35 26 33 16 148 3 26 28 85 110 100 101 102 105 110 101 100 32 111 114 32 110 111 116 32 97 99 116 105 118 101 32 115 112 111 116 0 0 2 1 5 0 4 171 151 193 192]
[>] [2 3 0 0 0 0 0 74 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 156 189 200 198 86 195 226 201 4 81 233 49 47 238 35 144 104 202 102 122 0 0 0 7 1 0 0 3 99 102 99]
[<] [2 3 0 0 0 0 0 34]
[>] [2 3 0 0 0 0 0 74 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 231 138 232 20 177 176 63 25 16 142 51 152 122 98 156 37 22 3 110 31 0 0 0 7 1 0 0 3 99 102 99]
[<] [2 3 0 0 0 0 0 34]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 175 118 175 36 169 76 234 223 214 48 77 200 101 169 169 213 192 150 220 242 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [0 0 8 1 4 0 4 171 157 131 134 195 194 193 192 191 190 0 2 108 0 1 0 4 171 157 0 0 0 2 103 10 11 40 128 136 222 190 1 48 249 19 90 0 26 61 10 2 85 83 16 159 31 32 170 250 224 136 1 48 40 58 4 97 116 38 116 66 2 85 83 82 13 85 110 105 116 101 100 32 83 116 97 116 101 115 90 8 86 105 114 103 105 110 105 97 98 9 65 114 108 105 110 103 116 111 110 34 104 8 1 82 10 83 109 97 114 116 112 104 111 110 101 90 5 65 112 112 108 101 98 6 105 80 104 111 110 101 106 3 105 79 83 114 4 49 56 46 49 122 9 50 48 49 55 95 106 117 110 101 130 1 4 49 53 57 57 138 1 13 77 111 98 105 108 101 32 83 97 102 97 114 105 146 1 4 49 56 46 49 154 1 20 97 112 112 108 101 95 105 112 104 111 110 101 95 118 101 114 49 56 95 49 48 1 58 2 40 1 66 32 52 54 56 53 97 98 101 48 55 49 100 102 54 49 54 102 97 99 57 54 56 99 49 49 52 102 54 48 49 55 102 101 80 169 146]
[<] [0 0 2 1 4 0 4 171 77 136 194 0 0 28 0 0 0 4 171 77 0 0 0 0 23 26 21 8 2 16 204 1 26 14 101 109 112 116 121 32 114 101 115 112 111 110 115 101 0 0 2 1 5 0 4 171 77 193 192 0 0 2 1 4 0 4 171 117 136 194 0 0 28 0 0 0 4 171 117 0 0 0 0 23 26 21 8 2 16 204 1 26 14 101 109 112 116 121 32 114 101 115 112 111 110 115 101 0 0 2 1 5 0 4 171 117 193 192]
[>] [2 3 0 0 0 0 0 75 22 0 1 0 0 0 0 0 0 0 0 1 81 128 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 10 31 77 216 158 108 229 181 62 17 145 78 28 171 177 116 95 94 91 55 0 0 0 8 2 17 0 3 99 102 99 1]
[<] [2 3 0 0 0 0 0 22 22 0 0 0 0 0 0 0 0 1 28 133 223 169 0 0 0 0 0 0 0 0]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 120 120 186 124 141 53 201 46 233 81 113 13 154 174 85 18 121 201 60 196 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [0 0 8 6 1 0 0 0 0 2 4 16 16 9 14 7 7 0 0 8 1 4 0 0 85 165 131 134 195 194 193 192 191 190 0 1 178 0 1 0 0 85 165 0 0 0 1 173 10 7 32 1 40 125 48 131 23 18 4 8 7 16 2 26 31 10 2 73 68 32 172 208 247 1 48 63 58 18 105 100 46 105 110 100 111 115 97 116 32 111 111 114 101 100 111 111 48 1 58 29 8 1 17 92 143 194 245 40 92 207 63 25 92 143 194 245 40 92 207 63 33 92 143 194 245 40 92 207 63 66 32 51 57 56 53 51 102 57 52 53 55 99 52 52 100 80 169 146 135 190 6 106 1 31 202 1 14 112 111 114 110 111 109 97 110 105 97 46 102 117 110 208 1 224 80 216 1 199 214 3 152 2 2 226 2 168 1 8 1 32 41 40 243 213 2 64 11 82 139 1 77 111 122 105 108 108 97 47 53 46 48 32 40 105 80 104 111 110 101 59 32 67 80 85 32 105 80 104 111 110 101 32 79 83 32 49 56 95 49 95 49 32 108 105 107 101 32 77 97 99 32 79 83 32 88 41]
[<] [0 0 2 1 4 0 0 85 55 136 192 0 0 5 0 0 0 0 85 55 0 0 0 0 0 0 0 2 1 5 0 0 85 55 191 190 0 0 2 1 4 0 0 85 163 136 192 0 0 5 0 0 0 0 85 163 0 0 0 0 0 0 0 2 1 5 0 0 85 163 191 190 0 0 4 8 0 0 0 0 0 0 0 3 84 0 0 8 6 0 0 0 0 0 2 4 16 16 9 14 7 7]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 226 254 216 96 87 188 153 69 12 180 145 75 207 107 57 135 75 227 95 84 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [2 3 0 0 0 0 0 22 22 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
[<] [2 3 0 0 0 0 0 74 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 243 149 28 87 194 192 108 165 218 211 237 182 197 107 63 3 132 254 43 245 0 0 0 7 1 0 0 3 99 102 99]
[>] [0 0 8 1 4 0 0 85 167 131 134 195 194 193 192 191 190 0 1 212 0 1 0 0 85 167 0 0 0 1 207 10 7 32 1 40 125 48 226 12 18 4 8 1 16 2 26 19 10 2 84 72 32 200 195 196 3 48 40 58 6 116 104 46 97 105 115 48 1 58 29 8 1 17 252 169 241 210 77 98 80 63 25 252 169 241 210 77 98 80 63 33 252 169 241 210 77 98 80 63 66 36 101 98 97 51 52 50 49 97 45 57 56 55 52 45 53 50 57 101 45 98 48 99 98 45 102 97 52 100 53 102 99 49 55 50 53 51 74 3 117 103 99 80 169 146 135 190 6 106 3 3 10 25 114 39 106 97 118 32 32 98 105 103 116 105 116 115 44 106 97 112 97 110 101 115 101 32 98 101 97 117 116 105 102 117 108 44 97 109 97 116 101 117 114 202 1 13 115 112 97 110 107 98 97 110 103 46 99 111 109 208 1 183 109 216 1 162 251 1 136 2 1 152 2 2 226 2 165 1 8 1 32 41 40 148 214 2 64 11 82 137 1 77 111 122 105 108 108 97 47 53 46 48 32 40]
[<] [0 0 2 1 4 0 0 85 161 136 192 0 0 5 0 0 0 0 85 161 0 0 0 0 0 0 0 2 1 5 0 0 85 161 191 190]
[>] [0 0 8 1 4 0 4 171 159 131 134 195 194 193 192 191 190 0 2 106 0 1 0 4 171 159 0 0 0 2 101 10 11 40 128 136 222 190 1 48 191 22 90 0 26 62 10 2 71 66 16 213 40 32 196 159 204 1 48 40 58 9 116 97 108 107 32 116 97 108 107 66 2 71 66 82 14 85 110 105 116 101 100 32 75 105 110 103 100 111 109 90 7 69 110 103 108 97 110 100 98 6 76 121 116 104 97 109 34 125 8 1 82 13 70 101 97 116 117 114 101 32 80 104 111 110 101 90 7 71 101 110 101 114 105 99 98 12 65 110 100 114 111 105 100 32 49 48 46 48 106 7 65 110 100 114 111 105 100 114 4 49 48 46 48 122 14 50 48 49 57 95 115 101 112 116 101 109 98 101 114 130 1 1 48 138 1 13 67 104 114 111 109 101 32 77 111 98 105 108 101 146 1 5 49 51 51 46 48 154 1 23 103 101 110 101 114 105 99 95 97 110 100 114 111 105 100 95 118 101 114 49 48 95 48 48 1 58 2 40 1 66 32 49 49 48 54 56 97 98 102 55 50 54 52 97]
[<] [0 0 2 1 4 0 4 170 179 136 194 0 14 29 0 0 0 4 170 179 0 0 0 14 24 10 144 28 24 227 229 13 82 137 28 18 36 57 98 57 49 100 98 101 49 45 101 53 56 49 45 52 56 52 98 45 98 52 55 101 45 51 97 101 99 52 51 54 100 48 99 53 51 34 3 85 83 68 50 219 27 34 216 27 42 36 101 50 48 97 100 56 101 100 45 54 102 50 101 45 52 54 102 56 45 97 50 56 102 45 54 99 53 54 51 53 56 52 50 52 98 54 50 7 52 54 54 50]
[>] [2 3 0 0 0 0 0 74 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 224 106 213 17 58 150 164 29 37 177 125 154 81 176 112 216 184 42 78 188 0 0 0 7 1 0 0 3 99 102 99]
[<] [2 3 0 0 0 0 0 22]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 182 252 109 109 158 58 8 66 68 71 223 230 18 106 196 91 188 115 34 98 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [0 0 4 8 0 0 0 0 0 0 0 0 15 0 0 8 6 0 0 0 0 0 2 4 16 16 9 14 7 7 0 0 8 1 4 0 0 85 171 131 134 195 194 193 192 191 190 0 1 166 0 1 0 0 85 171 0 0 0 1 161 10 7 32 1 40 125 48 184 2 18 4 8 1 16 2 26 24 10 2 85 83 32 240 189 234 136 1 48 40 58 10 117 115 46 118 101 114 105 122 111 110 48 1 58 11 8 1 17 233 144 159 246 95 220 141 63 66 20 49 52 49 55 53 54 54 54 53 50 50 57 57 55 50 48 48 50 48 54 74 3 117 103 99 80 169 146 135 190 6 106 2 3 13 114 14 97 109 111 109 47 97 112 105 47 118 49 47 119 105 110 63 112 61 65 80 101 73 81 70 77 109 68 74 107 121 99 117 97 73 48 72 71 68 104 89 103 119 89 45 103 115 116 79 71 81 68 112 121 70 73 117 67 56 117 86 106 120 68 77 89 97 78 87 76 103 113 66 71 109 122 74 103 87 89 87 83 111 98 69 69 68 120 53 103 98 76 88 67 85 119 83 71 106 82 81]
[<] [0 0 2 1 4 0 0 85 169 136 192 0 0 5 0 0 0 0 85 169 0 0 0 0 0 0 0 2 1 5 0 0 85 169 191 190]
[>] [2 3 0 0 0 0 0 22 22 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
[<] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 139 156 172 163 206 179 79 251 255 150 239 155 244 153 203 82 181 20 234 53 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[>] [2 3 0 0 0 0 0 22 22 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
[<] [2 3 0 0 0 0 0 75 22 0 1 0 0 0 0 0 0 0 0 1 81 128 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 243 149 28 87 194 192 108 165 218 211 237 182 197 107 63 3 132 254 43 245 0 0 0 8 2 17 0 3 99 102 99 1]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 150 81 209 219 130 155 173 25 100 249 37 254 216 67 32 247 153 157 32 157 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 49 148 82 95 70 198 223 18 108 41 135 233 141 105 127 108 115 113 47 139 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [2 3 0 0 0 0 0 75 22 0 1 0 0 0 0 0 0 0 0 1 81 128 0 0 234 95 0 3 0 1 0 0 0 4 0 100 109 112 0 0 0 4 1 99 102 99 0 0 0 21 4 224 106 213 17 58 150 164 29 37 177 125 154 81 176 112 216 184 42 78 188 0 0 0 8 2 17 0 3 99 102 99 1]
[<] [2 3 0 0 0 0 0 22 22 0 0 0 0 0 0 0 0 1 28 133 223 169 0 0 0 0 0 0 0 0]
[>] [0 0 8 1 4 0 0 85 173 131 134 195 194 193 192 191 190 0 0 8 1 4 0 0 85 175 131 134 195 194 193 192 191 190 0 0 8 1 4 0 0 85 177 131 134 195 194 193 192 191 190 0 0 8 1 4 0 0 85 179 131 134 195 194 193 192 191 190 0 1 200 0 1 0 0 85 177 0 0 0 1 195 10 7 32 1 40 125 48 231 19 18 4 8 104 16 2 26 19 10 2 73 78 32 220 199 143 2 48 40 58 6 105 110 46 106 105 111 48 1 58 11 8 2 17 45 67 28 235 226 54 26 63 66 32 54 98 53 54 54 99 55 53 55 97 56 48 50 54 99 48 100 102 100 57 52 56 49 97 54 101 50 4 49 53 57 57 138 1 13 77 111 98 105 108 101 32 83 97 102 97 114 105 146 1 4 49 56 46 49 154 1 20 97 112 112 108 101 95 105 112 104 111 110 101 95 118 101 114 49 56 95 49 48 1 58 2 40 1 66 32 52 54 56 53 97 98 101 48 55 49 100 102 54 49 54 102 97 99 57 54 56 99 49 49 52 102 54 48 49 55 102 101 80 169 146]
[<] [0 0 8 6 1 0 0 0 0 2 4 16 16 9 14 7 7 0 0 4 8 0 0 0 0 0 0 0 5 41 0 0 8 6 0 0 0 0 0 2 4 16 16 9 14 7 7]
[>] [0 0 8 1 4 0 4 171 171 131 134 195 194 193 192 191 190 0 0 8 1 4 0 4 171 173 131 134 195 194 193 192 191 190 0 2 97 0 1 0 4 171 171 0 0 0 2 92 10 11 40 128 136 222 190 1 48 131 23 90 0 26 58 10 2 73 78 16 135 12 32 207 153 250 1 58 6 97 105 114 116 101 108 66 2 73 78 82 5 73 110 100 105 97 90 14 65 110 100 104 114 97 32 80 114 97 100 101 115 104 98 9 80 114 111 100 100 97 116 117 114 34 125 8 1 82 13 70 101 97 116 117 114 101 32 80 104 111 110 101 90 7 71 101 110 101 114 105 99 98 12 65 110 100 114 111 105 100 32 49 48 46 48 106 7 65 110 100 114 111 105 100 114 4 49 48 46 48 122 14 50 48 49 57 95 115 101 112 116 101 109 98 101 114 130 1 1 48 138 1 13 67 104 114 111 109 101 32 77 111 98 105 108 101 146 1 5 49 51 51 46 48 154 1 23 103 101 110 101 114 105 99 95 97 110 100 114 111 105 100 95 118 101 114 49 48 95 48 48 1 58 2 40 1 66 32]
[<] [0 0 8 6 1 0 0 0 0 2 4 16 16 9 14 7 7 0 0 2 1 4 0 4 169 199 136 194 0 13 52 0 0 0 4 169 199 0 0 0 13 47 10 167 26 24 254 114 82 161 26 18 36 48 49 50 54 57 49 49 50 45 54 56 49 48 45 52 102 101 98 45 98 102 57 55 45 49 52 99 57 102 54 52 102 56 53 53 51 34 3 85 83 68 50 243 25 34 240 25 42 36 55 99 54 100 50 97 50 100 45 97 57 101 54 45 52 102 55 99 45 56 49 50 101 45 53 49]
[>] [0 0 8 6 1 0 0 0 0 2 4 16 16 9 14 7 7 0 0 8 1 4 0 0 85 185 131 134 195 194 193 192 191 190 0 1 185 0 1 0 0 85 185 0 0 0 1 180 10 7 32 2 40 125 48 160 3 18 4 8 7 16 2 26 20 10 2 85 83 32 146 195 162 5 48 40 58 7 117 115 46 97 116 38 116 48 1 58 29 8 1 17 45 178 157 239 167 198 241 63 25 176 114 104 145 237 124 2 64 33 176 114 104 145 237 124 2 64 66 32 54 99 52 99 97 57 49 52 55 97 99 54 99 101 101 51 57 56 56 57 99 97 97 99 48 32 49 48 46 48 106 7 65 110 100 114 111 105 100 114 4 49 48 46 48 122 14 50 48 49 57 95 115 101 112 116 101 109 98 101 114 130 1 1 48 138 1 13 67 104 114 111 109 101 32 77 111 98 105 108 101 146 1 5 49 51 51 46 48 154 1 23 103 101 110 101 114 105 99 95 97 110 100 114 111 105 100 95 118 101 114 49 48 95 48 48 1 58 2 40 1 66 32 49 49 48 54 56 97 98 102 55 50 54 52 97]
[<] [0 0 2 1 4 0 0 85 183 136 192 0 0 2 1 4 0 0 85 171 136 192 0 0 5 0 0 0 0 85 171 0 0 0 0 0 0 0 5 0 0 0 0 85 183 0 0 0 0 0 0 0 2 1 5 0 0 85 183 191 190 0 0 2 1 5 0 0 85 171 191 190]
[>] [2 3 0 0 0 0 0 22 22 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
[<] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 108 84 124 41 44 127 244 4 65 96 135 63 53 114 76 44 77 121 158 80 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[>] [2 3 0 0 0 0 0 22 22 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
[<] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 216 85 48 203 107 67 9 221 39 181 145 22 159 137 106 93 213 84 41 197 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 183 127 177 70 210 140 184 85 83 78 122 132 176 252 128 135 154 107 101 163 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [0 0 8 1 4 0 4 171 183 131 134 195 194 193 192 191 190 0 3 22 0 1 0 4 171 183 0 0 0 3 17 10 11 40 128 136 222 190 1 48 178 24 90 0 26 81 10 2 82 85 16 157 24 32 189 188 185 3 48 133 1 58 3 109 116 115 66 2 82 85 82 18 82 117 115 115 105 97 110 32 70 101 100 101 114 97 116 105 111 110 90 21 83 118 101 114 100 108 111 118 115 107 97 121 97 32 111 98 108 97 115 116 39 98 12 78 105 122 104 110 121 32 84 97 103 105 108 34 105 24 1 82 7 68 101 115 107 116 111 112 90 6 71 111 111 103 108 101 98 6 67 104 114 111 109 101 106 7 87 105 110 100 111 119 115 114 4 49 48 46 48 122 13 50 48 49 57 95 100 101 99 101 109 98 101 114 130 1 1 48 138 1 14 89 97 110 100 101 120 32 98 114 111 119 115 101 114 146 1 4 50 53 46 50 154 1 17 103 111 111 103 108 101 95 99 104 114 111 109 101 95 49 51 50 48 1 58 2 40 1 66 32 53 57 57 57 48 97 53 48 99 101 53 98 102 99]
[<] [0 0 8 6 1 0 0 0 0 2 4 16 16 9 14 7 7]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 53 129 98 26 237 240 238 173 200 193 99 207 134 31 22 252 255 91 6 6 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [2 3 0 0 0 0 0 108 22 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 234 95 0 3 0 3 0 0 0 4 0 100 109 112 0 0 0 4 1 100 109 112 0 0 0 21 4 73 152 109 9 240 174 104 224 169 93 116 110 37 81 38 5 13 202 172 217 0 0 0 6 1 0 0 2 102 99 0 0 0 15 1 0 0 11 114 101 116 97 114 103 101 116 105 110 103 0 0 0 12 1 0 0 8 99 117 115 116 111 109 70 99]
[<] [2 3 0 0 0 0 0 22]
[>] [0 2 30 0 1 0 4 171 185 0 0 0 2 25 10 10 40 128 179 228 86 48 133 16 90 0 26 52 10 2 68 90 16 142 8 32 247 186 167 1 48 47 58 7 109 111 98 105 108 105 115 66 2 68 90 82 7 65 108 103 101 114 105 97 90 5 65 108 103 101 114 98 7 65 108 103 105 101 114 115 34 125 8 1 82 13 70 101 97 116 117 114 101 32 80 104 111 110 101 90 7 71 101 110 101 114 105 99 98 12 65 110 100 114 111 105 100 32 49 48 46 48 106 7 65 110 100 114 111 105 100 114 4 49 48 46 48 122 14 50 48 49 57 95 115 101 112 116 101 109 98 101 114 130 1 1 48 138 1 13 67 104 114 111 109 101 32 77 111 98 105 108 101 146 1 5 49 51 49 46 48 154 1 23 103 101 110 101 114 105 99 95 97 110 100 114 111 105 100 95 118 101 114 49 48 95 48 48 1 58 2 40 1 66 32 101 56 102 49 57 99 49 56 97 52 99 98 55 99 54 51 48 102 98 52 54 52 49 56 52 100 54 54 49 57 48 55 80 169 146 135 190 6 122 129 1]
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