gobreak | Latency and fault tolerance library like Netflix | Configuration Management library
kandi X-RAY | gobreak Summary
kandi X-RAY | gobreak Summary
Latency and fault tolerance library like Netflix's Hystrix with prometheus and gobreaker.
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Top functions reviewed by kandi - BETA
- Go runs the command with the given name and fallback function .
- errorWithFallback sends an error to the fallback .
- main is the main entry point .
- getCircuit returns the circuit breaker associated with the given name .
- ErrorToEvent returns the event name for an error
- newCircuitBreaker returns a new gobreaker .
- Collectors returns the prometheus metrics collection .
- DefaultReadyToTrip returns true if the default request is ready to be ready
- Do runs the given run function .
- init registers metrics .
gobreak Key Features
gobreak Examples and Code Snippets
package main
import (
"context"
"errors"
"net/http"
"os"
"time"
"github.com/hnlq715/gobreak"
"github.com/prometheus/client_golang/prometheus"
)
func main() {
http.HandleFunc("/test", func(rw http.ResponseWriter, r *http.Request) {
err :
# HELP gobreak_request_latency_histogram request latency histogram.
# TYPE gobreak_request_latency_histogram histogram
gobreak_request_latency_histogram_bucket{name="test",le="0.005"} 4
gobreak_request_latency_histogram_bucket{name="test",le="0.01"}
sum by(name, state) (irate(gobreak_requests[5m]))
(sum(rate(gobreak_request_latency_histogram_bucket{le="0.05"}[5m])) by (name) + (sum(rate(gobreak_request_latency_histogram_bucket{le="0.1"}[5m])) by (name))) / 2/ sum(rate(gobreak_request_latency_hi
Community Discussions
Trending Discussions on gobreak
QUESTION
Is it possible to wrap a HTTP request in the lambda handler with a Circuit-Breaker Library like gobreaker, I'm trying something like the below but not seeing the count go over 1. Maybe it's not possible with AWS lambda? I've tested both locally with SAM and deployed on AWS.
...ANSWER
Answered 2020-Aug-31 at 19:46An AWS lambda function is a stateless function, you can find more info here: https://blog.checkpoint.com/2020/03/18/aws-lambda-stateless-ephemeral/, so the information about variables, objects etc is lost after the function run and starts fresh with the next start. To implement a CB in a stateless env you have to store the state of the function call in an external database/cache etc (for aws it may be dynamoDb table, Elasticache redis, SNS queue etc). So it's possible to do it, but it has a bit of a twist.
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