nazarii-piontko

HTTP benchmarking tools

• siege - https://linux.die.net/man/1/siege
• wrk - https://github.com/wg/wrk
• ab - http://httpd.apache.org/docs/current/programs/ab.html

Examples:

• ab -n 100 -c 10 https://www.google.com
• wrk -c100 -t10 -d30s https://www.google.com

nazarii-piontko

#!/bin/bash

# Sphinxsearch 3.0.3 install script for Ubuntu.
# It downloads sphinxsearch 3.0.3 and installs as daemon with dummy configuration.
# http://sphinxsearch.com

set -e

# Package manager update and recommended packages installation
apt-get update -y

nazarii-piontko

sudo useradd -r -s /bin/false <username>

nazarii-piontko

#!/bin/bash

# Install
apt-get update -y
apt-get install -y fio

# Random read/write
fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randrw --rwmixread=75

# Randon read

nazarii-piontko

#!/bin/bash

# Installation script based on official documentation from https://docs.docker.com/install/linux/docker-ce/ubuntu/#install-docker-ce-1

apt-get update -y
apt-get install -y \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common

nazarii-piontko

#!/bin/bash

# Consul 1.2.2 install script for Ubuntu.
# It downloads consul 1.2.2 and installs as daemon with default dummy configuration.
# https://www.consul.io

CONFIG='{
    "server": true,
    "bootstrap": true,
    "data_dir": "/var/consul"

nazarii-piontko

#!/bin/bash

certbot certonly \
--manual \
-d *.$1 \
-d $1 \
--agree-tos \
--no-bootstrap \
--manual-public-ip-logging-ok \
--preferred-challenges dns-01 \

nazarii-piontko

#!/bin/bash

rsync -aHAXxv --numeric-ids -e "ssh -oStrictHostKeyChecking=no -T -c aes128-gcm@openssh.com -o Compression=no -x" $1 $2

# https://explainshell.com/explain?cmd=rsync+-aHAXxv+--numeric-ids+-e+%22ssh+-oStrictHostKeyChecking%3Dno+-T+-c+aes128-gcm%40openssh.com+-o+Compression%3Dno+-x%22
# https://explainshell.com/explain?cmd=ssh+-oStrictHostKeyChecking%3Dno+-T+-c+aes128-gcm%40openssh.com+-o+Compression%3Dno+-x

nazarii-piontko

using System;
using System.Collections;
using System.Collections.Generic;

namespace DataStructures
{
    public class Heap<T> : ICollection<T>
    {
        private const int DefaultCapacity = 16;

nazarii-piontko

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

namespace DataStructures
{
    /// <summary>
    /// OrderedDictionary is data structure that is similar to Dictionary, but allow to track sequence of adding key/value pairs (e.g. Queue and Dictionary in one class)
    /// </summary>