alebsys

#include <vmlinux.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_core_read.h>

#include "maps.bpf.h"

#define AF_INET 2
#define AF_INET6 10

alebsys

[TCP Congestion Control in Action](https://www.alebedev.tech/posts/cwnd-retransmit/)
[TCP ретрансмиты и их направления](https://www.alebedev.tech/posts/tcp-retransmit-ebpf-exporter/)
Long way to the application ([ч1](https://www.alebedev.tech/posts/long-way-to-the-app-1/), [ч2](https://www.alebedev.tech/posts/long-way-to-the-app-2/))
[Как мы боролись с овербукингом Kubernetes-кластеров](https://habr.com/ru/companies/ecom_tech/articles/735638/)

alebsys

{
  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 950,
  "height": 600,
  "data": [
    {
      "name": "traces",
      "values" : [
        {
          "operation_name" : "input",

alebsys

version: '3.4'
services:
  comment_db:
    image: mongo:3.2
    volumes:
      - comment_db:/data/db
    networks:
      back_net:
        aliases:
          - comment_db

alebsys

version: '3.4'
services:
  comment_db:
    image: mongo:3.2
    volumes:
      - comment_db:/data/db
    networks:
      back_net:
        aliases:
          - comment_db

alebsys

# global
USERNAME=<your_username>
TAG=mcdocker

# postgresql config
POSTGRES_DB=post
POSTGRES_USER=post
POSTGRES_PASSWORD=post

# ui config

alebsys

version: '3.4'
services:
  comment_db:
    image: mongo:3.2
    volumes:
      - comment_db:/data/db
    networks:
      back_net:
        aliases:
          - comment_db

alebsys

FROM ruby:2.3

ENV APP_HOME /app
ENV POST_SERVICE_HOST post
ENV POST_SERVICE_PORT 5000
ENV COMMENT_SERVICE_HOST comment
ENV COMMENT_SERVICE_PORT 9292

WORKDIR $APP_HOME
COPY . $APP_HOME

alebsys

FROM alpine:3.7

ENV POST_DATABASE_HOST 127.0.0.1
ENV POST_DATABASE post
ENV POST_DATABASE_PORT 5432
ENV POST_DATABASE_USER post
ENV POST_DATABASE_PASSWORD post

RUN apk add --no-cache python3 python3-dev gcc musl-dev curl postgresql-dev

alebsys

FROM alpine:3.7 as builder

ENV APP_HOME /app

WORKDIR $APP_HOME
COPY . $APP_HOME

RUN apk add --no-cache \
   gcc \
   g++ \