ptupitsyn’s gists

ptupitsyn / Program.cs

Created December 3, 2025 10:40

Ignite 3.1 client connection limit test

	// Stats (Ubuntu 22.04, i9-12900H, 64 GB RAM)
	// Connected 200000 connections in 00:02:49.2601996
	// Verified connectivity in 00:00:09.1446883
	// Started 8000 connections, 5071.840078796107 conns/sec, total time 00:00:02.1065415
	// Started 199000 connections, 575.1123798345816 conns/sec, total time 00:02:47.4392904
	// Started at 200 MB, ended at 900 MB java heap on server

	using System.Diagnostics;
	using Apache.Ignite;

ptupitsyn / MyIgniteQueue.java

Created June 10, 2025 06:21

Custom Transactional Apache Ignite queue

	import org.apache.ignite.Ignite;
	import org.apache.ignite.IgniteCache;
	import org.apache.ignite.configuration.CacheConfiguration;
	import org.apache.ignite.lang.IgniteBiTuple;
	import org.apache.ignite.transactions.Transaction;
	import org.apache.ignite.transactions.TransactionConcurrency;
	import org.apache.ignite.transactions.TransactionIsolation;

	import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;

ptupitsyn / ValueTypeBenchmark.cs

Created December 20, 2024 08:48

C# value types vs reference types performance

	using System.Linq;
	using BenchmarkDotNet.Attributes;

	/// <summary>
	/// 1M, MB Pro M3
	/// \| Method \| Mean \| Error \| StdDev \| Ratio \|
	/// \|------------ \|---------:\|--------:\|--------:\|------:\|
	/// \| TestValType \| 530.2 us \| 6.94 us \| 6.49 us \| 0.98 \|
	/// \| TestRefType \| 541.1 us \| 1.98 us \| 1.54 us \| 1.00 \|.
	///

ptupitsyn / IgniteSqlIndexTest.csproj

Created November 13, 2024 17:03

Ignite.NET SQL index test

	<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
	<OutputType>Exe</OutputType>
	<TargetFramework>net9.0</TargetFramework>
	<ImplicitUsings>enable</ImplicitUsings>
	<Nullable>enable</Nullable>
	</PropertyGroup>

	<ItemGroup>

ptupitsyn / BambooDirectoryParser.csproj

Last active September 28, 2023 10:58

Bamboo directory parser

	<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
	<OutputType>Exe</OutputType>
	<TargetFramework>net7.0</TargetFramework>
	<ImplicitUsings>enable</ImplicitUsings>
	<Nullable>enable</Nullable>
	</PropertyGroup>

	<ItemGroup>

ptupitsyn / Program.cs

Created August 24, 2023 14:19

.NET attach to Docker container and execute commands

	using Docker.DotNet;
	using Docker.DotNet.Models;

	var client = new DockerClientConfiguration(new Uri("unix:///var/run/docker.sock")).CreateClient();
	await client.System.PingAsync();

	var imagesCreateParameters = new ImagesCreateParameters
	{
	FromImage = "alpine/git",
	Tag = "v2.36.3"

ptupitsyn / CheckedCastVsConvert.csproj

Last active July 13, 2023 13:55

C# checked cast vs Convert

	<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
	<OutputType>Exe</OutputType>
	<TargetFramework>net7.0</TargetFramework>
	<ImplicitUsings>enable</ImplicitUsings>
	<Nullable>enable</Nullable>
	</PropertyGroup>

	<ItemGroup>

ptupitsyn / Dockerfile

Created June 15, 2023 13:05

Working .NET multi-arch Docker build (ARM + Intel)

	# See https://devblogs.microsoft.com/dotnet/improving-multiplatform-container-support/
	# 8.0-preview-alpine works too
	FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0-preview AS build
	ARG TARGETARCH
	WORKDIR /source

	# copy csproj and restore as distinct layers
	COPY *.csproj .
	RUN dotnet restore -a $TARGETARCH

ptupitsyn / Dockerfile

Created June 15, 2023 06:15

.NET 8 ARM Docker build

	FROM mcr.microsoft.com/dotnet/runtime:8.0-preview AS base
	WORKDIR /app

	FROM mcr.microsoft.com/dotnet/sdk:8.0-preview AS build
	WORKDIR /src
	COPY dotnet-arm.csproj .
	RUN dotnet restore
	COPY . .
	RUN dotnet build -c Release -o /app/build

ptupitsyn / IgniteNetRestApi.csproj

Last active May 3, 2023 05:32

Ignite.NET REST API module usage

	<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
	<OutputType>Exe</OutputType>
	<TargetFramework>net7.0</TargetFramework>
	<ImplicitUsings>enable</ImplicitUsings>
	<Nullable>enable</Nullable>
	</PropertyGroup>

	<ItemGroup>

Pavel Tupitsyn ptupitsyn